1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Pinctrl driver for Rockchip SoCs
4  *
5  * Copyright (c) 2013 MundoReader S.L.
6  * Author: Heiko Stuebner <heiko@sntech.de>
7  *
8  * With some ideas taken from pinctrl-samsung:
9  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
10  *		http://www.samsung.com
11  * Copyright (c) 2012 Linaro Ltd
12  *		https://www.linaro.org
13  *
14  * and pinctrl-at91:
15  * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
16  */
17 
18 #include <linux/init.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/io.h>
22 #include <linux/bitops.h>
23 #include <linux/gpio/driver.h>
24 #include <linux/of.h>
25 #include <linux/of_platform.h>
26 #include <linux/pinctrl/machine.h>
27 #include <linux/pinctrl/pinconf.h>
28 #include <linux/pinctrl/pinctrl.h>
29 #include <linux/pinctrl/pinmux.h>
30 #include <linux/pinctrl/pinconf-generic.h>
31 #include <linux/irqchip/chained_irq.h>
32 #include <linux/clk.h>
33 #include <linux/regmap.h>
34 #include <linux/mfd/syscon.h>
35 #include <linux/string_helpers.h>
36 
37 #include <dt-bindings/pinctrl/rockchip.h>
38 
39 #include "core.h"
40 #include "pinconf.h"
41 #include "pinctrl-rockchip.h"
42 
43 /*
44  * Generate a bitmask for setting a value (v) with a write mask bit in hiword
45  * register 31:16 area.
46  */
47 #define WRITE_MASK_VAL(h, l, v) \
48 	(GENMASK(((h) + 16), ((l) + 16)) | (((v) << (l)) & GENMASK((h), (l))))
49 
50 /*
51  * Encode variants of iomux registers into a type variable
52  */
53 #define IOMUX_GPIO_ONLY		BIT(0)
54 #define IOMUX_WIDTH_4BIT	BIT(1)
55 #define IOMUX_SOURCE_PMU	BIT(2)
56 #define IOMUX_UNROUTED		BIT(3)
57 #define IOMUX_WIDTH_3BIT	BIT(4)
58 #define IOMUX_WIDTH_2BIT	BIT(5)
59 #define IOMUX_L_SOURCE_PMU	BIT(6)
60 
61 #define PIN_BANK(id, pins, label)			\
62 	{						\
63 		.bank_num	= id,			\
64 		.nr_pins	= pins,			\
65 		.name		= label,		\
66 		.iomux		= {			\
67 			{ .offset = -1 },		\
68 			{ .offset = -1 },		\
69 			{ .offset = -1 },		\
70 			{ .offset = -1 },		\
71 		},					\
72 	}
73 
74 #define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3)	\
75 	{								\
76 		.bank_num	= id,					\
77 		.nr_pins	= pins,					\
78 		.name		= label,				\
79 		.iomux		= {					\
80 			{ .type = iom0, .offset = -1 },			\
81 			{ .type = iom1, .offset = -1 },			\
82 			{ .type = iom2, .offset = -1 },			\
83 			{ .type = iom3, .offset = -1 },			\
84 		},							\
85 	}
86 
87 #define PIN_BANK_IOMUX_FLAGS_OFFSET_PULL_FLAGS(id, pins, label, iom0,	\
88 					       iom1, iom2, iom3,	\
89 					       offset0, offset1,	\
90 					       offset2, offset3, pull0,	\
91 					       pull1, pull2, pull3)	\
92 	{								\
93 		.bank_num	= id,					\
94 		.nr_pins	= pins,					\
95 		.name		= label,				\
96 		.iomux		= {					\
97 			{ .type = iom0, .offset = offset0 },		\
98 			{ .type = iom1, .offset = offset1 },		\
99 			{ .type = iom2, .offset = offset2 },		\
100 			{ .type = iom3, .offset = offset3 },		\
101 		},							\
102 		.pull_type[0] = pull0,					\
103 		.pull_type[1] = pull1,					\
104 		.pull_type[2] = pull2,					\
105 		.pull_type[3] = pull3,					\
106 	}
107 
108 #define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \
109 	{								\
110 		.bank_num	= id,					\
111 		.nr_pins	= pins,					\
112 		.name		= label,				\
113 		.iomux		= {					\
114 			{ .offset = -1 },				\
115 			{ .offset = -1 },				\
116 			{ .offset = -1 },				\
117 			{ .offset = -1 },				\
118 		},							\
119 		.drv		= {					\
120 			{ .drv_type = type0, .offset = -1 },		\
121 			{ .drv_type = type1, .offset = -1 },		\
122 			{ .drv_type = type2, .offset = -1 },		\
123 			{ .drv_type = type3, .offset = -1 },		\
124 		},							\
125 	}
126 
127 #define PIN_BANK_IOMUX_FLAGS_PULL_FLAGS(id, pins, label, iom0, iom1,	\
128 					iom2, iom3, pull0, pull1,	\
129 					pull2, pull3)			\
130 	{								\
131 		.bank_num	= id,					\
132 		.nr_pins	= pins,					\
133 		.name		= label,				\
134 		.iomux		= {					\
135 			{ .type = iom0, .offset = -1 },			\
136 			{ .type = iom1, .offset = -1 },			\
137 			{ .type = iom2, .offset = -1 },			\
138 			{ .type = iom3, .offset = -1 },			\
139 		},							\
140 		.pull_type[0] = pull0,					\
141 		.pull_type[1] = pull1,					\
142 		.pull_type[2] = pull2,					\
143 		.pull_type[3] = pull3,					\
144 	}
145 
146 #define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1,	\
147 				      drv2, drv3, pull0, pull1,		\
148 				      pull2, pull3)			\
149 	{								\
150 		.bank_num	= id,					\
151 		.nr_pins	= pins,					\
152 		.name		= label,				\
153 		.iomux		= {					\
154 			{ .offset = -1 },				\
155 			{ .offset = -1 },				\
156 			{ .offset = -1 },				\
157 			{ .offset = -1 },				\
158 		},							\
159 		.drv		= {					\
160 			{ .drv_type = drv0, .offset = -1 },		\
161 			{ .drv_type = drv1, .offset = -1 },		\
162 			{ .drv_type = drv2, .offset = -1 },		\
163 			{ .drv_type = drv3, .offset = -1 },		\
164 		},							\
165 		.pull_type[0] = pull0,					\
166 		.pull_type[1] = pull1,					\
167 		.pull_type[2] = pull2,					\
168 		.pull_type[3] = pull3,					\
169 	}
170 
171 #define PIN_BANK_IOMUX_FLAGS_OFFSET(id, pins, label, iom0, iom1, iom2,	\
172 				    iom3, offset0, offset1, offset2,	\
173 				    offset3)				\
174 	{								\
175 		.bank_num	= id,					\
176 		.nr_pins	= pins,					\
177 		.name		= label,				\
178 		.iomux		= {					\
179 			{ .type = iom0, .offset = offset0 },		\
180 			{ .type = iom1, .offset = offset1 },		\
181 			{ .type = iom2, .offset = offset2 },		\
182 			{ .type = iom3, .offset = offset3 },		\
183 		},							\
184 	}
185 
186 #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1,	\
187 					iom2, iom3, drv0, drv1, drv2,	\
188 					drv3, offset0, offset1,		\
189 					offset2, offset3)		\
190 	{								\
191 		.bank_num	= id,					\
192 		.nr_pins	= pins,					\
193 		.name		= label,				\
194 		.iomux		= {					\
195 			{ .type = iom0, .offset = -1 },			\
196 			{ .type = iom1, .offset = -1 },			\
197 			{ .type = iom2, .offset = -1 },			\
198 			{ .type = iom3, .offset = -1 },			\
199 		},							\
200 		.drv		= {					\
201 			{ .drv_type = drv0, .offset = offset0 },	\
202 			{ .drv_type = drv1, .offset = offset1 },	\
203 			{ .drv_type = drv2, .offset = offset2 },	\
204 			{ .drv_type = drv3, .offset = offset3 },	\
205 		},							\
206 	}
207 
208 #define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins,	\
209 					      label, iom0, iom1, iom2,  \
210 					      iom3, drv0, drv1, drv2,   \
211 					      drv3, offset0, offset1,   \
212 					      offset2, offset3, pull0,  \
213 					      pull1, pull2, pull3)	\
214 	{								\
215 		.bank_num	= id,					\
216 		.nr_pins	= pins,					\
217 		.name		= label,				\
218 		.iomux		= {					\
219 			{ .type = iom0, .offset = -1 },			\
220 			{ .type = iom1, .offset = -1 },			\
221 			{ .type = iom2, .offset = -1 },			\
222 			{ .type = iom3, .offset = -1 },			\
223 		},							\
224 		.drv		= {					\
225 			{ .drv_type = drv0, .offset = offset0 },	\
226 			{ .drv_type = drv1, .offset = offset1 },	\
227 			{ .drv_type = drv2, .offset = offset2 },	\
228 			{ .drv_type = drv3, .offset = offset3 },	\
229 		},							\
230 		.pull_type[0] = pull0,					\
231 		.pull_type[1] = pull1,					\
232 		.pull_type[2] = pull2,					\
233 		.pull_type[3] = pull3,					\
234 	}
235 
236 #define PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, FLAG)		\
237 	{								\
238 		.bank_num	= ID,					\
239 		.pin		= PIN,					\
240 		.func		= FUNC,					\
241 		.route_offset	= REG,					\
242 		.route_val	= VAL,					\
243 		.route_location	= FLAG,					\
244 	}
245 
246 #define RK_MUXROUTE_SAME(ID, PIN, FUNC, REG, VAL)	\
247 	PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_SAME)
248 
249 #define RK_MUXROUTE_GRF(ID, PIN, FUNC, REG, VAL)	\
250 	PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_GRF)
251 
252 #define RK_MUXROUTE_PMU(ID, PIN, FUNC, REG, VAL)	\
253 	PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_PMU)
254 
255 #define RK3588_PIN_BANK_FLAGS(ID, PIN, LABEL, M, P)			\
256 	PIN_BANK_IOMUX_FLAGS_PULL_FLAGS(ID, PIN, LABEL, M, M, M, M, P, P, P, P)
257 
258 static struct regmap_config rockchip_regmap_config = {
259 	.reg_bits = 32,
260 	.val_bits = 32,
261 	.reg_stride = 4,
262 };
263 
pinctrl_name_to_group(const struct rockchip_pinctrl * info,const char * name)264 static inline const struct rockchip_pin_group *pinctrl_name_to_group(
265 					const struct rockchip_pinctrl *info,
266 					const char *name)
267 {
268 	int i;
269 
270 	for (i = 0; i < info->ngroups; i++) {
271 		if (!strcmp(info->groups[i].name, name))
272 			return &info->groups[i];
273 	}
274 
275 	return NULL;
276 }
277 
278 /*
279  * given a pin number that is local to a pin controller, find out the pin bank
280  * and the register base of the pin bank.
281  */
pin_to_bank(struct rockchip_pinctrl * info,unsigned pin)282 static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info,
283 								unsigned pin)
284 {
285 	struct rockchip_pin_bank *b = info->ctrl->pin_banks;
286 
287 	while (pin >= (b->pin_base + b->nr_pins))
288 		b++;
289 
290 	return b;
291 }
292 
bank_num_to_bank(struct rockchip_pinctrl * info,unsigned num)293 static struct rockchip_pin_bank *bank_num_to_bank(
294 					struct rockchip_pinctrl *info,
295 					unsigned num)
296 {
297 	struct rockchip_pin_bank *b = info->ctrl->pin_banks;
298 	int i;
299 
300 	for (i = 0; i < info->ctrl->nr_banks; i++, b++) {
301 		if (b->bank_num == num)
302 			return b;
303 	}
304 
305 	return ERR_PTR(-EINVAL);
306 }
307 
308 /*
309  * Pinctrl_ops handling
310  */
311 
rockchip_get_groups_count(struct pinctrl_dev * pctldev)312 static int rockchip_get_groups_count(struct pinctrl_dev *pctldev)
313 {
314 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
315 
316 	return info->ngroups;
317 }
318 
rockchip_get_group_name(struct pinctrl_dev * pctldev,unsigned selector)319 static const char *rockchip_get_group_name(struct pinctrl_dev *pctldev,
320 							unsigned selector)
321 {
322 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
323 
324 	return info->groups[selector].name;
325 }
326 
rockchip_get_group_pins(struct pinctrl_dev * pctldev,unsigned selector,const unsigned ** pins,unsigned * npins)327 static int rockchip_get_group_pins(struct pinctrl_dev *pctldev,
328 				      unsigned selector, const unsigned **pins,
329 				      unsigned *npins)
330 {
331 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
332 
333 	if (selector >= info->ngroups)
334 		return -EINVAL;
335 
336 	*pins = info->groups[selector].pins;
337 	*npins = info->groups[selector].npins;
338 
339 	return 0;
340 }
341 
rockchip_dt_node_to_map(struct pinctrl_dev * pctldev,struct device_node * np,struct pinctrl_map ** map,unsigned * num_maps)342 static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev,
343 				 struct device_node *np,
344 				 struct pinctrl_map **map, unsigned *num_maps)
345 {
346 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
347 	const struct rockchip_pin_group *grp;
348 	struct device *dev = info->dev;
349 	struct pinctrl_map *new_map;
350 	struct device_node *parent;
351 	int map_num = 1;
352 	int i;
353 
354 	/*
355 	 * first find the group of this node and check if we need to create
356 	 * config maps for pins
357 	 */
358 	grp = pinctrl_name_to_group(info, np->name);
359 	if (!grp) {
360 		dev_err(dev, "unable to find group for node %pOFn\n", np);
361 		return -EINVAL;
362 	}
363 
364 	map_num += grp->npins;
365 
366 	new_map = kcalloc(map_num, sizeof(*new_map), GFP_KERNEL);
367 	if (!new_map)
368 		return -ENOMEM;
369 
370 	*map = new_map;
371 	*num_maps = map_num;
372 
373 	/* create mux map */
374 	parent = of_get_parent(np);
375 	if (!parent) {
376 		kfree(new_map);
377 		return -EINVAL;
378 	}
379 	new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
380 	new_map[0].data.mux.function = parent->name;
381 	new_map[0].data.mux.group = np->name;
382 	of_node_put(parent);
383 
384 	/* create config map */
385 	new_map++;
386 	for (i = 0; i < grp->npins; i++) {
387 		new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN;
388 		new_map[i].data.configs.group_or_pin =
389 				pin_get_name(pctldev, grp->pins[i]);
390 		new_map[i].data.configs.configs = grp->data[i].configs;
391 		new_map[i].data.configs.num_configs = grp->data[i].nconfigs;
392 	}
393 
394 	dev_dbg(dev, "maps: function %s group %s num %d\n",
395 		(*map)->data.mux.function, (*map)->data.mux.group, map_num);
396 
397 	return 0;
398 }
399 
rockchip_dt_free_map(struct pinctrl_dev * pctldev,struct pinctrl_map * map,unsigned num_maps)400 static void rockchip_dt_free_map(struct pinctrl_dev *pctldev,
401 				    struct pinctrl_map *map, unsigned num_maps)
402 {
403 	kfree(map);
404 }
405 
406 static const struct pinctrl_ops rockchip_pctrl_ops = {
407 	.get_groups_count	= rockchip_get_groups_count,
408 	.get_group_name		= rockchip_get_group_name,
409 	.get_group_pins		= rockchip_get_group_pins,
410 	.dt_node_to_map		= rockchip_dt_node_to_map,
411 	.dt_free_map		= rockchip_dt_free_map,
412 };
413 
414 /*
415  * Hardware access
416  */
417 
418 static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
419 	{
420 		.num = 1,
421 		.pin = 0,
422 		.reg = 0x418,
423 		.bit = 0,
424 		.mask = 0x3
425 	}, {
426 		.num = 1,
427 		.pin = 1,
428 		.reg = 0x418,
429 		.bit = 2,
430 		.mask = 0x3
431 	}, {
432 		.num = 1,
433 		.pin = 2,
434 		.reg = 0x418,
435 		.bit = 4,
436 		.mask = 0x3
437 	}, {
438 		.num = 1,
439 		.pin = 3,
440 		.reg = 0x418,
441 		.bit = 6,
442 		.mask = 0x3
443 	}, {
444 		.num = 1,
445 		.pin = 4,
446 		.reg = 0x418,
447 		.bit = 8,
448 		.mask = 0x3
449 	}, {
450 		.num = 1,
451 		.pin = 5,
452 		.reg = 0x418,
453 		.bit = 10,
454 		.mask = 0x3
455 	}, {
456 		.num = 1,
457 		.pin = 6,
458 		.reg = 0x418,
459 		.bit = 12,
460 		.mask = 0x3
461 	}, {
462 		.num = 1,
463 		.pin = 7,
464 		.reg = 0x418,
465 		.bit = 14,
466 		.mask = 0x3
467 	}, {
468 		.num = 1,
469 		.pin = 8,
470 		.reg = 0x41c,
471 		.bit = 0,
472 		.mask = 0x3
473 	}, {
474 		.num = 1,
475 		.pin = 9,
476 		.reg = 0x41c,
477 		.bit = 2,
478 		.mask = 0x3
479 	},
480 };
481 
482 static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = {
483 	{
484 		.num = 0,
485 		.pin = 20,
486 		.reg = 0x10000,
487 		.bit = 0,
488 		.mask = 0xf
489 	},
490 	{
491 		.num = 0,
492 		.pin = 21,
493 		.reg = 0x10000,
494 		.bit = 4,
495 		.mask = 0xf
496 	},
497 	{
498 		.num = 0,
499 		.pin = 22,
500 		.reg = 0x10000,
501 		.bit = 8,
502 		.mask = 0xf
503 	},
504 	{
505 		.num = 0,
506 		.pin = 23,
507 		.reg = 0x10000,
508 		.bit = 12,
509 		.mask = 0xf
510 	},
511 };
512 
513 static  struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = {
514 	{
515 		.num = 2,
516 		.pin = 20,
517 		.reg = 0xe8,
518 		.bit = 0,
519 		.mask = 0x7
520 	}, {
521 		.num = 2,
522 		.pin = 21,
523 		.reg = 0xe8,
524 		.bit = 4,
525 		.mask = 0x7
526 	}, {
527 		.num = 2,
528 		.pin = 22,
529 		.reg = 0xe8,
530 		.bit = 8,
531 		.mask = 0x7
532 	}, {
533 		.num = 2,
534 		.pin = 23,
535 		.reg = 0xe8,
536 		.bit = 12,
537 		.mask = 0x7
538 	}, {
539 		.num = 2,
540 		.pin = 24,
541 		.reg = 0xd4,
542 		.bit = 12,
543 		.mask = 0x7
544 	},
545 };
546 
547 static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = {
548 	{
549 		/* gpio1b6_sel */
550 		.num = 1,
551 		.pin = 14,
552 		.reg = 0x28,
553 		.bit = 12,
554 		.mask = 0xf
555 	}, {
556 		/* gpio1b7_sel */
557 		.num = 1,
558 		.pin = 15,
559 		.reg = 0x2c,
560 		.bit = 0,
561 		.mask = 0x3
562 	}, {
563 		/* gpio1c2_sel */
564 		.num = 1,
565 		.pin = 18,
566 		.reg = 0x30,
567 		.bit = 4,
568 		.mask = 0xf
569 	}, {
570 		/* gpio1c3_sel */
571 		.num = 1,
572 		.pin = 19,
573 		.reg = 0x30,
574 		.bit = 8,
575 		.mask = 0xf
576 	}, {
577 		/* gpio1c4_sel */
578 		.num = 1,
579 		.pin = 20,
580 		.reg = 0x30,
581 		.bit = 12,
582 		.mask = 0xf
583 	}, {
584 		/* gpio1c5_sel */
585 		.num = 1,
586 		.pin = 21,
587 		.reg = 0x34,
588 		.bit = 0,
589 		.mask = 0xf
590 	}, {
591 		/* gpio1c6_sel */
592 		.num = 1,
593 		.pin = 22,
594 		.reg = 0x34,
595 		.bit = 4,
596 		.mask = 0xf
597 	}, {
598 		/* gpio1c7_sel */
599 		.num = 1,
600 		.pin = 23,
601 		.reg = 0x34,
602 		.bit = 8,
603 		.mask = 0xf
604 	}, {
605 		/* gpio2a2_sel */
606 		.num = 2,
607 		.pin = 2,
608 		.reg = 0x40,
609 		.bit = 4,
610 		.mask = 0x3
611 	}, {
612 		/* gpio2a3_sel */
613 		.num = 2,
614 		.pin = 3,
615 		.reg = 0x40,
616 		.bit = 6,
617 		.mask = 0x3
618 	}, {
619 		/* gpio2c0_sel */
620 		.num = 2,
621 		.pin = 16,
622 		.reg = 0x50,
623 		.bit = 0,
624 		.mask = 0x3
625 	}, {
626 		/* gpio3b2_sel */
627 		.num = 3,
628 		.pin = 10,
629 		.reg = 0x68,
630 		.bit = 4,
631 		.mask = 0x3
632 	}, {
633 		/* gpio3b3_sel */
634 		.num = 3,
635 		.pin = 11,
636 		.reg = 0x68,
637 		.bit = 6,
638 		.mask = 0x3
639 	}, {
640 		/* gpio3b4_sel */
641 		.num = 3,
642 		.pin = 12,
643 		.reg = 0x68,
644 		.bit = 8,
645 		.mask = 0xf
646 	}, {
647 		/* gpio3b5_sel */
648 		.num = 3,
649 		.pin = 13,
650 		.reg = 0x68,
651 		.bit = 12,
652 		.mask = 0xf
653 	},
654 };
655 
656 static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
657 	{
658 		/* gpio2_b7_sel */
659 		.num = 2,
660 		.pin = 15,
661 		.reg = 0x28,
662 		.bit = 0,
663 		.mask = 0x7
664 	}, {
665 		/* gpio2_c7_sel */
666 		.num = 2,
667 		.pin = 23,
668 		.reg = 0x30,
669 		.bit = 14,
670 		.mask = 0x3
671 	}, {
672 		/* gpio3_b1_sel */
673 		.num = 3,
674 		.pin = 9,
675 		.reg = 0x44,
676 		.bit = 2,
677 		.mask = 0x3
678 	}, {
679 		/* gpio3_b2_sel */
680 		.num = 3,
681 		.pin = 10,
682 		.reg = 0x44,
683 		.bit = 4,
684 		.mask = 0x3
685 	}, {
686 		/* gpio3_b3_sel */
687 		.num = 3,
688 		.pin = 11,
689 		.reg = 0x44,
690 		.bit = 6,
691 		.mask = 0x3
692 	}, {
693 		/* gpio3_b4_sel */
694 		.num = 3,
695 		.pin = 12,
696 		.reg = 0x44,
697 		.bit = 8,
698 		.mask = 0x3
699 	}, {
700 		/* gpio3_b5_sel */
701 		.num = 3,
702 		.pin = 13,
703 		.reg = 0x44,
704 		.bit = 10,
705 		.mask = 0x3
706 	}, {
707 		/* gpio3_b6_sel */
708 		.num = 3,
709 		.pin = 14,
710 		.reg = 0x44,
711 		.bit = 12,
712 		.mask = 0x3
713 	}, {
714 		/* gpio3_b7_sel */
715 		.num = 3,
716 		.pin = 15,
717 		.reg = 0x44,
718 		.bit = 14,
719 		.mask = 0x3
720 	},
721 };
722 
rockchip_get_recalced_mux(struct rockchip_pin_bank * bank,int pin,int * reg,u8 * bit,int * mask)723 static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
724 				      int *reg, u8 *bit, int *mask)
725 {
726 	struct rockchip_pinctrl *info = bank->drvdata;
727 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
728 	struct rockchip_mux_recalced_data *data;
729 	int i;
730 
731 	for (i = 0; i < ctrl->niomux_recalced; i++) {
732 		data = &ctrl->iomux_recalced[i];
733 		if (data->num == bank->bank_num &&
734 		    data->pin == pin)
735 			break;
736 	}
737 
738 	if (i >= ctrl->niomux_recalced)
739 		return;
740 
741 	*reg = data->reg;
742 	*mask = data->mask;
743 	*bit = data->bit;
744 }
745 
746 static struct rockchip_mux_route_data px30_mux_route_data[] = {
747 	RK_MUXROUTE_SAME(2, RK_PB4, 1, 0x184, BIT(16 + 7)), /* cif-d0m0 */
748 	RK_MUXROUTE_SAME(3, RK_PA1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d0m1 */
749 	RK_MUXROUTE_SAME(2, RK_PB6, 1, 0x184, BIT(16 + 7)), /* cif-d1m0 */
750 	RK_MUXROUTE_SAME(3, RK_PA2, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d1m1 */
751 	RK_MUXROUTE_SAME(2, RK_PA0, 1, 0x184, BIT(16 + 7)), /* cif-d2m0 */
752 	RK_MUXROUTE_SAME(3, RK_PA3, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d2m1 */
753 	RK_MUXROUTE_SAME(2, RK_PA1, 1, 0x184, BIT(16 + 7)), /* cif-d3m0 */
754 	RK_MUXROUTE_SAME(3, RK_PA5, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d3m1 */
755 	RK_MUXROUTE_SAME(2, RK_PA2, 1, 0x184, BIT(16 + 7)), /* cif-d4m0 */
756 	RK_MUXROUTE_SAME(3, RK_PA7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d4m1 */
757 	RK_MUXROUTE_SAME(2, RK_PA3, 1, 0x184, BIT(16 + 7)), /* cif-d5m0 */
758 	RK_MUXROUTE_SAME(3, RK_PB0, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d5m1 */
759 	RK_MUXROUTE_SAME(2, RK_PA4, 1, 0x184, BIT(16 + 7)), /* cif-d6m0 */
760 	RK_MUXROUTE_SAME(3, RK_PB1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d6m1 */
761 	RK_MUXROUTE_SAME(2, RK_PA5, 1, 0x184, BIT(16 + 7)), /* cif-d7m0 */
762 	RK_MUXROUTE_SAME(3, RK_PB4, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d7m1 */
763 	RK_MUXROUTE_SAME(2, RK_PA6, 1, 0x184, BIT(16 + 7)), /* cif-d8m0 */
764 	RK_MUXROUTE_SAME(3, RK_PB6, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d8m1 */
765 	RK_MUXROUTE_SAME(2, RK_PA7, 1, 0x184, BIT(16 + 7)), /* cif-d9m0 */
766 	RK_MUXROUTE_SAME(3, RK_PB7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d9m1 */
767 	RK_MUXROUTE_SAME(2, RK_PB7, 1, 0x184, BIT(16 + 7)), /* cif-d10m0 */
768 	RK_MUXROUTE_SAME(3, RK_PC6, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d10m1 */
769 	RK_MUXROUTE_SAME(2, RK_PC0, 1, 0x184, BIT(16 + 7)), /* cif-d11m0 */
770 	RK_MUXROUTE_SAME(3, RK_PC7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d11m1 */
771 	RK_MUXROUTE_SAME(2, RK_PB0, 1, 0x184, BIT(16 + 7)), /* cif-vsyncm0 */
772 	RK_MUXROUTE_SAME(3, RK_PD1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-vsyncm1 */
773 	RK_MUXROUTE_SAME(2, RK_PB1, 1, 0x184, BIT(16 + 7)), /* cif-hrefm0 */
774 	RK_MUXROUTE_SAME(3, RK_PD2, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-hrefm1 */
775 	RK_MUXROUTE_SAME(2, RK_PB2, 1, 0x184, BIT(16 + 7)), /* cif-clkinm0 */
776 	RK_MUXROUTE_SAME(3, RK_PD3, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-clkinm1 */
777 	RK_MUXROUTE_SAME(2, RK_PB3, 1, 0x184, BIT(16 + 7)), /* cif-clkoutm0 */
778 	RK_MUXROUTE_SAME(3, RK_PD0, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-clkoutm1 */
779 	RK_MUXROUTE_SAME(3, RK_PC6, 2, 0x184, BIT(16 + 8)), /* pdm-m0 */
780 	RK_MUXROUTE_SAME(2, RK_PC6, 1, 0x184, BIT(16 + 8) | BIT(8)), /* pdm-m1 */
781 	RK_MUXROUTE_SAME(3, RK_PD3, 2, 0x184, BIT(16 + 8)), /* pdm-sdi0m0 */
782 	RK_MUXROUTE_SAME(2, RK_PC5, 2, 0x184, BIT(16 + 8) | BIT(8)), /* pdm-sdi0m1 */
783 	RK_MUXROUTE_SAME(1, RK_PD3, 2, 0x184, BIT(16 + 10)), /* uart2-rxm0 */
784 	RK_MUXROUTE_SAME(2, RK_PB6, 2, 0x184, BIT(16 + 10) | BIT(10)), /* uart2-rxm1 */
785 	RK_MUXROUTE_SAME(1, RK_PD2, 2, 0x184, BIT(16 + 10)), /* uart2-txm0 */
786 	RK_MUXROUTE_SAME(2, RK_PB4, 2, 0x184, BIT(16 + 10) | BIT(10)), /* uart2-txm1 */
787 	RK_MUXROUTE_SAME(0, RK_PC1, 2, 0x184, BIT(16 + 9)), /* uart3-rxm0 */
788 	RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */
789 	RK_MUXROUTE_SAME(0, RK_PC0, 2, 0x184, BIT(16 + 9)), /* uart3-txm0 */
790 	RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-txm1 */
791 	RK_MUXROUTE_SAME(0, RK_PC2, 2, 0x184, BIT(16 + 9)), /* uart3-ctsm0 */
792 	RK_MUXROUTE_SAME(1, RK_PB4, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-ctsm1 */
793 	RK_MUXROUTE_SAME(0, RK_PC3, 2, 0x184, BIT(16 + 9)), /* uart3-rtsm0 */
794 	RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rtsm1 */
795 };
796 
797 static struct rockchip_mux_route_data rv1126_mux_route_data[] = {
798 	RK_MUXROUTE_GRF(3, RK_PD2, 1, 0x10260, WRITE_MASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */
799 	RK_MUXROUTE_GRF(3, RK_PB0, 3, 0x10260, WRITE_MASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */
800 
801 	RK_MUXROUTE_GRF(0, RK_PD4, 4, 0x10260, WRITE_MASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */
802 	RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x10260, WRITE_MASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */
803 	RK_MUXROUTE_GRF(2, RK_PC7, 6, 0x10260, WRITE_MASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */
804 
805 	RK_MUXROUTE_GRF(1, RK_PD0, 1, 0x10260, WRITE_MASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */
806 	RK_MUXROUTE_GRF(2, RK_PB3, 2, 0x10260, WRITE_MASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */
807 
808 	RK_MUXROUTE_GRF(3, RK_PD4, 2, 0x10260, WRITE_MASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */
809 	RK_MUXROUTE_GRF(3, RK_PC0, 3, 0x10260, WRITE_MASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */
810 
811 	RK_MUXROUTE_GRF(3, RK_PC6, 1, 0x10264, WRITE_MASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */
812 	RK_MUXROUTE_GRF(2, RK_PD1, 3, 0x10264, WRITE_MASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */
813 
814 	RK_MUXROUTE_GRF(3, RK_PA4, 5, 0x10264, WRITE_MASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */
815 	RK_MUXROUTE_GRF(2, RK_PD4, 7, 0x10264, WRITE_MASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */
816 	RK_MUXROUTE_GRF(1, RK_PD6, 3, 0x10264, WRITE_MASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */
817 
818 	RK_MUXROUTE_GRF(3, RK_PA0, 7, 0x10264, WRITE_MASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */
819 	RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x10264, WRITE_MASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */
820 
821 	RK_MUXROUTE_GRF(2, RK_PA5, 7, 0x10264, WRITE_MASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */
822 	RK_MUXROUTE_GRF(3, RK_PB0, 5, 0x10264, WRITE_MASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */
823 	RK_MUXROUTE_GRF(1, RK_PD0, 4, 0x10264, WRITE_MASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */
824 
825 	RK_MUXROUTE_GRF(3, RK_PC0, 5, 0x10264, WRITE_MASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */
826 	RK_MUXROUTE_GRF(1, RK_PC6, 3, 0x10264, WRITE_MASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */
827 	RK_MUXROUTE_GRF(2, RK_PD5, 6, 0x10264, WRITE_MASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */
828 
829 	RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x10264, WRITE_MASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */
830 	RK_MUXROUTE_GRF(2, RK_PB7, 2, 0x10264, WRITE_MASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */
831 
832 	RK_MUXROUTE_GRF(3, RK_PA1, 3, 0x10264, WRITE_MASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */
833 	RK_MUXROUTE_GRF(3, RK_PA7, 5, 0x10264, WRITE_MASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */
834 
835 	RK_MUXROUTE_GRF(3, RK_PA4, 6, 0x10268, WRITE_MASK_VAL(0, 0, 0)), /* PWM8_M0 */
836 	RK_MUXROUTE_GRF(2, RK_PD7, 5, 0x10268, WRITE_MASK_VAL(0, 0, 1)), /* PWM8_M1 */
837 
838 	RK_MUXROUTE_GRF(3, RK_PA5, 6, 0x10268, WRITE_MASK_VAL(2, 2, 0)), /* PWM9_M0 */
839 	RK_MUXROUTE_GRF(2, RK_PD6, 5, 0x10268, WRITE_MASK_VAL(2, 2, 1)), /* PWM9_M1 */
840 
841 	RK_MUXROUTE_GRF(3, RK_PA6, 6, 0x10268, WRITE_MASK_VAL(4, 4, 0)), /* PWM10_M0 */
842 	RK_MUXROUTE_GRF(2, RK_PD5, 5, 0x10268, WRITE_MASK_VAL(4, 4, 1)), /* PWM10_M1 */
843 
844 	RK_MUXROUTE_GRF(3, RK_PA7, 6, 0x10268, WRITE_MASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */
845 	RK_MUXROUTE_GRF(3, RK_PA1, 5, 0x10268, WRITE_MASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */
846 
847 	RK_MUXROUTE_GRF(1, RK_PA5, 3, 0x10268, WRITE_MASK_VAL(8, 8, 0)), /* UART2_TX_M0 */
848 	RK_MUXROUTE_GRF(3, RK_PA2, 1, 0x10268, WRITE_MASK_VAL(8, 8, 1)), /* UART2_TX_M1 */
849 
850 	RK_MUXROUTE_GRF(3, RK_PC6, 3, 0x10268, WRITE_MASK_VAL(11, 10, 0)), /* UART3_TX_M0 */
851 	RK_MUXROUTE_GRF(1, RK_PA7, 2, 0x10268, WRITE_MASK_VAL(11, 10, 1)), /* UART3_TX_M1 */
852 	RK_MUXROUTE_GRF(3, RK_PA0, 4, 0x10268, WRITE_MASK_VAL(11, 10, 2)), /* UART3_TX_M2 */
853 
854 	RK_MUXROUTE_GRF(3, RK_PA4, 4, 0x10268, WRITE_MASK_VAL(13, 12, 0)), /* UART4_TX_M0 */
855 	RK_MUXROUTE_GRF(2, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(13, 12, 1)), /* UART4_TX_M1 */
856 	RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x10268, WRITE_MASK_VAL(13, 12, 2)), /* UART4_TX_M2 */
857 
858 	RK_MUXROUTE_GRF(3, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(15, 14, 0)), /* UART5_TX_M0 */
859 	RK_MUXROUTE_GRF(2, RK_PB0, 4, 0x10268, WRITE_MASK_VAL(15, 14, 1)), /* UART5_TX_M1 */
860 	RK_MUXROUTE_GRF(2, RK_PA0, 3, 0x10268, WRITE_MASK_VAL(15, 14, 2)), /* UART5_TX_M2 */
861 
862 	RK_MUXROUTE_PMU(0, RK_PB6, 3, 0x0114, WRITE_MASK_VAL(0, 0, 0)), /* PWM0_M0 */
863 	RK_MUXROUTE_PMU(2, RK_PB3, 5, 0x0114, WRITE_MASK_VAL(0, 0, 1)), /* PWM0_M1 */
864 
865 	RK_MUXROUTE_PMU(0, RK_PB7, 3, 0x0114, WRITE_MASK_VAL(2, 2, 0)), /* PWM1_M0 */
866 	RK_MUXROUTE_PMU(2, RK_PB2, 5, 0x0114, WRITE_MASK_VAL(2, 2, 1)), /* PWM1_M1 */
867 
868 	RK_MUXROUTE_PMU(0, RK_PC0, 3, 0x0114, WRITE_MASK_VAL(4, 4, 0)), /* PWM2_M0 */
869 	RK_MUXROUTE_PMU(2, RK_PB1, 5, 0x0114, WRITE_MASK_VAL(4, 4, 1)), /* PWM2_M1 */
870 
871 	RK_MUXROUTE_PMU(0, RK_PC1, 3, 0x0114, WRITE_MASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */
872 	RK_MUXROUTE_PMU(2, RK_PB0, 5, 0x0114, WRITE_MASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */
873 
874 	RK_MUXROUTE_PMU(0, RK_PC2, 3, 0x0114, WRITE_MASK_VAL(8, 8, 0)), /* PWM4_M0 */
875 	RK_MUXROUTE_PMU(2, RK_PA7, 5, 0x0114, WRITE_MASK_VAL(8, 8, 1)), /* PWM4_M1 */
876 
877 	RK_MUXROUTE_PMU(0, RK_PC3, 3, 0x0114, WRITE_MASK_VAL(10, 10, 0)), /* PWM5_M0 */
878 	RK_MUXROUTE_PMU(2, RK_PA6, 5, 0x0114, WRITE_MASK_VAL(10, 10, 1)), /* PWM5_M1 */
879 
880 	RK_MUXROUTE_PMU(0, RK_PB2, 3, 0x0114, WRITE_MASK_VAL(12, 12, 0)), /* PWM6_M0 */
881 	RK_MUXROUTE_PMU(2, RK_PD4, 5, 0x0114, WRITE_MASK_VAL(12, 12, 1)), /* PWM6_M1 */
882 
883 	RK_MUXROUTE_PMU(0, RK_PB1, 3, 0x0114, WRITE_MASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */
884 	RK_MUXROUTE_PMU(3, RK_PA0, 5, 0x0114, WRITE_MASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */
885 
886 	RK_MUXROUTE_PMU(0, RK_PB0, 1, 0x0118, WRITE_MASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */
887 	RK_MUXROUTE_PMU(2, RK_PA1, 1, 0x0118, WRITE_MASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */
888 	RK_MUXROUTE_PMU(2, RK_PB2, 6, 0x0118, WRITE_MASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */
889 
890 	RK_MUXROUTE_PMU(0, RK_PB6, 2, 0x0118, WRITE_MASK_VAL(2, 2, 0)), /* UART1_TX_M0 */
891 	RK_MUXROUTE_PMU(1, RK_PD0, 5, 0x0118, WRITE_MASK_VAL(2, 2, 1)), /* UART1_TX_M1 */
892 };
893 
894 static struct rockchip_mux_route_data rk3128_mux_route_data[] = {
895 	RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */
896 	RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */
897 	RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(4)), /* spi-2 */
898 	RK_MUXROUTE_SAME(1, RK_PA5, 1, 0x144, BIT(16 + 5)), /* i2s-0 */
899 	RK_MUXROUTE_SAME(0, RK_PB6, 1, 0x144, BIT(16 + 5) | BIT(5)), /* i2s-1 */
900 	RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x144, BIT(16 + 6)), /* emmc-0 */
901 	RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x144, BIT(16 + 6) | BIT(6)), /* emmc-1 */
902 };
903 
904 static struct rockchip_mux_route_data rk3188_mux_route_data[] = {
905 	RK_MUXROUTE_SAME(0, RK_PD0, 1, 0xa0, BIT(16 + 11)), /* non-iomuxed emmc/flash pins on flash-dqs */
906 	RK_MUXROUTE_SAME(0, RK_PD0, 2, 0xa0, BIT(16 + 11) | BIT(11)), /* non-iomuxed emmc/flash pins on emmc-clk */
907 };
908 
909 static struct rockchip_mux_route_data rk3228_mux_route_data[] = {
910 	RK_MUXROUTE_SAME(0, RK_PD2, 1, 0x50, BIT(16)), /* pwm0-0 */
911 	RK_MUXROUTE_SAME(3, RK_PC5, 1, 0x50, BIT(16) | BIT(0)), /* pwm0-1 */
912 	RK_MUXROUTE_SAME(0, RK_PD3, 1, 0x50, BIT(16 + 1)), /* pwm1-0 */
913 	RK_MUXROUTE_SAME(0, RK_PD6, 2, 0x50, BIT(16 + 1) | BIT(1)), /* pwm1-1 */
914 	RK_MUXROUTE_SAME(0, RK_PD4, 1, 0x50, BIT(16 + 2)), /* pwm2-0 */
915 	RK_MUXROUTE_SAME(1, RK_PB4, 2, 0x50, BIT(16 + 2) | BIT(2)), /* pwm2-1 */
916 	RK_MUXROUTE_SAME(3, RK_PD2, 1, 0x50, BIT(16 + 3)), /* pwm3-0 */
917 	RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 3) | BIT(3)), /* pwm3-1 */
918 	RK_MUXROUTE_SAME(1, RK_PA1, 1, 0x50, BIT(16 + 4)), /* sdio-0_d0 */
919 	RK_MUXROUTE_SAME(3, RK_PA2, 1, 0x50, BIT(16 + 4) | BIT(4)), /* sdio-1_d0 */
920 	RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x50, BIT(16 + 5)), /* spi-0_rx */
921 	RK_MUXROUTE_SAME(2, RK_PA0, 2, 0x50, BIT(16 + 5) | BIT(5)), /* spi-1_rx */
922 	RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x50, BIT(16 + 7)), /* emmc-0_cmd */
923 	RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x50, BIT(16 + 7) | BIT(7)), /* emmc-1_cmd */
924 	RK_MUXROUTE_SAME(1, RK_PC3, 2, 0x50, BIT(16 + 8)), /* uart2-0_rx */
925 	RK_MUXROUTE_SAME(1, RK_PB2, 2, 0x50, BIT(16 + 8) | BIT(8)), /* uart2-1_rx */
926 	RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x50, BIT(16 + 11)), /* uart1-0_rx */
927 	RK_MUXROUTE_SAME(3, RK_PB5, 1, 0x50, BIT(16 + 11) | BIT(11)), /* uart1-1_rx */
928 };
929 
930 static struct rockchip_mux_route_data rk3288_mux_route_data[] = {
931 	RK_MUXROUTE_SAME(7, RK_PC0, 2, 0x264, BIT(16 + 12) | BIT(12)), /* edphdmi_cecinoutt1 */
932 	RK_MUXROUTE_SAME(7, RK_PC7, 4, 0x264, BIT(16 + 12)), /* edphdmi_cecinout */
933 };
934 
935 static struct rockchip_mux_route_data rk3308_mux_route_data[] = {
936 	RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */
937 	RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */
938 	RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */
939 	RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x314, BIT(16 + 4)), /* i2c3_sdam0 */
940 	RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x314, BIT(16 + 4) | BIT(4)), /* i2c3_sdam1 */
941 	RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */
942 	RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */
943 	RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */
944 	RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclkrxm1 */
945 	RK_MUXROUTE_SAME(1, RK_PA4, 3, 0x308, BIT(16 + 12) | BIT(16 + 13)), /* pdm-clkm0 */
946 	RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */
947 	RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */
948 	RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */
949 };
950 
951 static struct rockchip_mux_route_data rk3328_mux_route_data[] = {
952 	RK_MUXROUTE_SAME(1, RK_PA1, 2, 0x50, BIT(16) | BIT(16 + 1)), /* uart2dbg_rxm0 */
953 	RK_MUXROUTE_SAME(2, RK_PA1, 1, 0x50, BIT(16) | BIT(16 + 1) | BIT(0)), /* uart2dbg_rxm1 */
954 	RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 2) | BIT(2)), /* gmac-m1_rxd0 */
955 	RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x50, BIT(16 + 10) | BIT(10)), /* gmac-m1-optimized_rxd3 */
956 	RK_MUXROUTE_SAME(2, RK_PC3, 2, 0x50, BIT(16 + 3)), /* pdm_sdi0m0 */
957 	RK_MUXROUTE_SAME(1, RK_PC7, 3, 0x50, BIT(16 + 3) | BIT(3)), /* pdm_sdi0m1 */
958 	RK_MUXROUTE_SAME(3, RK_PA2, 4, 0x50, BIT(16 + 4) | BIT(16 + 5) | BIT(5)), /* spi_rxdm2 */
959 	RK_MUXROUTE_SAME(1, RK_PD0, 1, 0x50, BIT(16 + 6)), /* i2s2_sdim0 */
960 	RK_MUXROUTE_SAME(3, RK_PA2, 6, 0x50, BIT(16 + 6) | BIT(6)), /* i2s2_sdim1 */
961 	RK_MUXROUTE_SAME(2, RK_PC6, 3, 0x50, BIT(16 + 7) | BIT(7)), /* card_iom1 */
962 	RK_MUXROUTE_SAME(2, RK_PC0, 3, 0x50, BIT(16 + 8) | BIT(8)), /* tsp_d5m1 */
963 	RK_MUXROUTE_SAME(2, RK_PC0, 4, 0x50, BIT(16 + 9) | BIT(9)), /* cif_data5m1 */
964 };
965 
966 static struct rockchip_mux_route_data rk3399_mux_route_data[] = {
967 	RK_MUXROUTE_SAME(4, RK_PB0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11)), /* uart2dbga_rx */
968 	RK_MUXROUTE_SAME(4, RK_PC0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* uart2dbgb_rx */
969 	RK_MUXROUTE_SAME(4, RK_PC3, 1, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* uart2dbgc_rx */
970 	RK_MUXROUTE_SAME(2, RK_PD2, 2, 0xe21c, BIT(16 + 14)), /* pcie_clkreqn */
971 	RK_MUXROUTE_SAME(4, RK_PD0, 1, 0xe21c, BIT(16 + 14) | BIT(14)), /* pcie_clkreqnb */
972 };
973 
974 static struct rockchip_mux_route_data rk3568_mux_route_data[] = {
975 	RK_MUXROUTE_PMU(0, RK_PB7, 1, 0x0110, WRITE_MASK_VAL(1, 0, 0)), /* PWM0 IO mux M0 */
976 	RK_MUXROUTE_PMU(0, RK_PC7, 2, 0x0110, WRITE_MASK_VAL(1, 0, 1)), /* PWM0 IO mux M1 */
977 	RK_MUXROUTE_PMU(0, RK_PC0, 1, 0x0110, WRITE_MASK_VAL(3, 2, 0)), /* PWM1 IO mux M0 */
978 	RK_MUXROUTE_PMU(0, RK_PB5, 4, 0x0110, WRITE_MASK_VAL(3, 2, 1)), /* PWM1 IO mux M1 */
979 	RK_MUXROUTE_PMU(0, RK_PC1, 1, 0x0110, WRITE_MASK_VAL(5, 4, 0)), /* PWM2 IO mux M0 */
980 	RK_MUXROUTE_PMU(0, RK_PB6, 4, 0x0110, WRITE_MASK_VAL(5, 4, 1)), /* PWM2 IO mux M1 */
981 	RK_MUXROUTE_GRF(0, RK_PB3, 2, 0x0300, WRITE_MASK_VAL(0, 0, 0)), /* CAN0 IO mux M0 */
982 	RK_MUXROUTE_GRF(2, RK_PA1, 4, 0x0300, WRITE_MASK_VAL(0, 0, 1)), /* CAN0 IO mux M1 */
983 	RK_MUXROUTE_GRF(1, RK_PA1, 3, 0x0300, WRITE_MASK_VAL(2, 2, 0)), /* CAN1 IO mux M0 */
984 	RK_MUXROUTE_GRF(4, RK_PC3, 3, 0x0300, WRITE_MASK_VAL(2, 2, 1)), /* CAN1 IO mux M1 */
985 	RK_MUXROUTE_GRF(4, RK_PB5, 3, 0x0300, WRITE_MASK_VAL(4, 4, 0)), /* CAN2 IO mux M0 */
986 	RK_MUXROUTE_GRF(2, RK_PB2, 4, 0x0300, WRITE_MASK_VAL(4, 4, 1)), /* CAN2 IO mux M1 */
987 	RK_MUXROUTE_GRF(4, RK_PC4, 1, 0x0300, WRITE_MASK_VAL(6, 6, 0)), /* HPDIN IO mux M0 */
988 	RK_MUXROUTE_GRF(0, RK_PC2, 2, 0x0300, WRITE_MASK_VAL(6, 6, 1)), /* HPDIN IO mux M1 */
989 	RK_MUXROUTE_GRF(3, RK_PB1, 3, 0x0300, WRITE_MASK_VAL(8, 8, 0)), /* GMAC1 IO mux M0 */
990 	RK_MUXROUTE_GRF(4, RK_PA7, 3, 0x0300, WRITE_MASK_VAL(8, 8, 1)), /* GMAC1 IO mux M1 */
991 	RK_MUXROUTE_GRF(4, RK_PD1, 1, 0x0300, WRITE_MASK_VAL(10, 10, 0)), /* HDMITX IO mux M0 */
992 	RK_MUXROUTE_GRF(0, RK_PC7, 1, 0x0300, WRITE_MASK_VAL(10, 10, 1)), /* HDMITX IO mux M1 */
993 	RK_MUXROUTE_GRF(0, RK_PB6, 1, 0x0300, WRITE_MASK_VAL(14, 14, 0)), /* I2C2 IO mux M0 */
994 	RK_MUXROUTE_GRF(4, RK_PB4, 1, 0x0300, WRITE_MASK_VAL(14, 14, 1)), /* I2C2 IO mux M1 */
995 	RK_MUXROUTE_GRF(1, RK_PA0, 1, 0x0304, WRITE_MASK_VAL(0, 0, 0)), /* I2C3 IO mux M0 */
996 	RK_MUXROUTE_GRF(3, RK_PB6, 4, 0x0304, WRITE_MASK_VAL(0, 0, 1)), /* I2C3 IO mux M1 */
997 	RK_MUXROUTE_GRF(4, RK_PB2, 1, 0x0304, WRITE_MASK_VAL(2, 2, 0)), /* I2C4 IO mux M0 */
998 	RK_MUXROUTE_GRF(2, RK_PB1, 2, 0x0304, WRITE_MASK_VAL(2, 2, 1)), /* I2C4 IO mux M1 */
999 	RK_MUXROUTE_GRF(3, RK_PB4, 4, 0x0304, WRITE_MASK_VAL(4, 4, 0)), /* I2C5 IO mux M0 */
1000 	RK_MUXROUTE_GRF(4, RK_PD0, 2, 0x0304, WRITE_MASK_VAL(4, 4, 1)), /* I2C5 IO mux M1 */
1001 	RK_MUXROUTE_GRF(3, RK_PB1, 5, 0x0304, WRITE_MASK_VAL(14, 14, 0)), /* PWM8 IO mux M0 */
1002 	RK_MUXROUTE_GRF(1, RK_PD5, 4, 0x0304, WRITE_MASK_VAL(14, 14, 1)), /* PWM8 IO mux M1 */
1003 	RK_MUXROUTE_GRF(3, RK_PB2, 5, 0x0308, WRITE_MASK_VAL(0, 0, 0)), /* PWM9 IO mux M0 */
1004 	RK_MUXROUTE_GRF(1, RK_PD6, 4, 0x0308, WRITE_MASK_VAL(0, 0, 1)), /* PWM9 IO mux M1 */
1005 	RK_MUXROUTE_GRF(3, RK_PB5, 5, 0x0308, WRITE_MASK_VAL(2, 2, 0)), /* PWM10 IO mux M0 */
1006 	RK_MUXROUTE_GRF(2, RK_PA1, 2, 0x0308, WRITE_MASK_VAL(2, 2, 1)), /* PWM10 IO mux M1 */
1007 	RK_MUXROUTE_GRF(3, RK_PB6, 5, 0x0308, WRITE_MASK_VAL(4, 4, 0)), /* PWM11 IO mux M0 */
1008 	RK_MUXROUTE_GRF(4, RK_PC0, 3, 0x0308, WRITE_MASK_VAL(4, 4, 1)), /* PWM11 IO mux M1 */
1009 	RK_MUXROUTE_GRF(3, RK_PB7, 2, 0x0308, WRITE_MASK_VAL(6, 6, 0)), /* PWM12 IO mux M0 */
1010 	RK_MUXROUTE_GRF(4, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(6, 6, 1)), /* PWM12 IO mux M1 */
1011 	RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x0308, WRITE_MASK_VAL(8, 8, 0)), /* PWM13 IO mux M0 */
1012 	RK_MUXROUTE_GRF(4, RK_PC6, 1, 0x0308, WRITE_MASK_VAL(8, 8, 1)), /* PWM13 IO mux M1 */
1013 	RK_MUXROUTE_GRF(3, RK_PC4, 1, 0x0308, WRITE_MASK_VAL(10, 10, 0)), /* PWM14 IO mux M0 */
1014 	RK_MUXROUTE_GRF(4, RK_PC2, 1, 0x0308, WRITE_MASK_VAL(10, 10, 1)), /* PWM14 IO mux M1 */
1015 	RK_MUXROUTE_GRF(3, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(12, 12, 0)), /* PWM15 IO mux M0 */
1016 	RK_MUXROUTE_GRF(4, RK_PC3, 1, 0x0308, WRITE_MASK_VAL(12, 12, 1)), /* PWM15 IO mux M1 */
1017 	RK_MUXROUTE_GRF(3, RK_PD2, 3, 0x0308, WRITE_MASK_VAL(14, 14, 0)), /* SDMMC2 IO mux M0 */
1018 	RK_MUXROUTE_GRF(3, RK_PA5, 5, 0x0308, WRITE_MASK_VAL(14, 14, 1)), /* SDMMC2 IO mux M1 */
1019 	RK_MUXROUTE_GRF(0, RK_PB5, 2, 0x030c, WRITE_MASK_VAL(0, 0, 0)), /* SPI0 IO mux M0 */
1020 	RK_MUXROUTE_GRF(2, RK_PD3, 3, 0x030c, WRITE_MASK_VAL(0, 0, 1)), /* SPI0 IO mux M1 */
1021 	RK_MUXROUTE_GRF(2, RK_PB5, 3, 0x030c, WRITE_MASK_VAL(2, 2, 0)), /* SPI1 IO mux M0 */
1022 	RK_MUXROUTE_GRF(3, RK_PC3, 3, 0x030c, WRITE_MASK_VAL(2, 2, 1)), /* SPI1 IO mux M1 */
1023 	RK_MUXROUTE_GRF(2, RK_PC1, 4, 0x030c, WRITE_MASK_VAL(4, 4, 0)), /* SPI2 IO mux M0 */
1024 	RK_MUXROUTE_GRF(3, RK_PA0, 3, 0x030c, WRITE_MASK_VAL(4, 4, 1)), /* SPI2 IO mux M1 */
1025 	RK_MUXROUTE_GRF(4, RK_PB3, 4, 0x030c, WRITE_MASK_VAL(6, 6, 0)), /* SPI3 IO mux M0 */
1026 	RK_MUXROUTE_GRF(4, RK_PC2, 2, 0x030c, WRITE_MASK_VAL(6, 6, 1)), /* SPI3 IO mux M1 */
1027 	RK_MUXROUTE_GRF(2, RK_PB4, 2, 0x030c, WRITE_MASK_VAL(8, 8, 0)), /* UART1 IO mux M0 */
1028 	RK_MUXROUTE_GRF(3, RK_PD6, 4, 0x030c, WRITE_MASK_VAL(8, 8, 1)), /* UART1 IO mux M1 */
1029 	RK_MUXROUTE_GRF(0, RK_PD1, 1, 0x030c, WRITE_MASK_VAL(10, 10, 0)), /* UART2 IO mux M0 */
1030 	RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x030c, WRITE_MASK_VAL(10, 10, 1)), /* UART2 IO mux M1 */
1031 	RK_MUXROUTE_GRF(1, RK_PA1, 2, 0x030c, WRITE_MASK_VAL(12, 12, 0)), /* UART3 IO mux M0 */
1032 	RK_MUXROUTE_GRF(3, RK_PB7, 4, 0x030c, WRITE_MASK_VAL(12, 12, 1)), /* UART3 IO mux M1 */
1033 	RK_MUXROUTE_GRF(1, RK_PA6, 2, 0x030c, WRITE_MASK_VAL(14, 14, 0)), /* UART4 IO mux M0 */
1034 	RK_MUXROUTE_GRF(3, RK_PB2, 4, 0x030c, WRITE_MASK_VAL(14, 14, 1)), /* UART4 IO mux M1 */
1035 	RK_MUXROUTE_GRF(2, RK_PA2, 3, 0x0310, WRITE_MASK_VAL(0, 0, 0)), /* UART5 IO mux M0 */
1036 	RK_MUXROUTE_GRF(3, RK_PC2, 4, 0x0310, WRITE_MASK_VAL(0, 0, 1)), /* UART5 IO mux M1 */
1037 	RK_MUXROUTE_GRF(2, RK_PA4, 3, 0x0310, WRITE_MASK_VAL(2, 2, 0)), /* UART6 IO mux M0 */
1038 	RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x0310, WRITE_MASK_VAL(2, 2, 1)), /* UART6 IO mux M1 */
1039 	RK_MUXROUTE_GRF(2, RK_PA6, 3, 0x0310, WRITE_MASK_VAL(5, 4, 0)), /* UART7 IO mux M0 */
1040 	RK_MUXROUTE_GRF(3, RK_PC4, 4, 0x0310, WRITE_MASK_VAL(5, 4, 1)), /* UART7 IO mux M1 */
1041 	RK_MUXROUTE_GRF(4, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(5, 4, 2)), /* UART7 IO mux M2 */
1042 	RK_MUXROUTE_GRF(2, RK_PC5, 3, 0x0310, WRITE_MASK_VAL(6, 6, 0)), /* UART8 IO mux M0 */
1043 	RK_MUXROUTE_GRF(2, RK_PD7, 4, 0x0310, WRITE_MASK_VAL(6, 6, 1)), /* UART8 IO mux M1 */
1044 	RK_MUXROUTE_GRF(2, RK_PB0, 3, 0x0310, WRITE_MASK_VAL(9, 8, 0)), /* UART9 IO mux M0 */
1045 	RK_MUXROUTE_GRF(4, RK_PC5, 4, 0x0310, WRITE_MASK_VAL(9, 8, 1)), /* UART9 IO mux M1 */
1046 	RK_MUXROUTE_GRF(4, RK_PA4, 4, 0x0310, WRITE_MASK_VAL(9, 8, 2)), /* UART9 IO mux M2 */
1047 	RK_MUXROUTE_GRF(1, RK_PA2, 1, 0x0310, WRITE_MASK_VAL(11, 10, 0)), /* I2S1 IO mux M0 */
1048 	RK_MUXROUTE_GRF(3, RK_PC6, 4, 0x0310, WRITE_MASK_VAL(11, 10, 1)), /* I2S1 IO mux M1 */
1049 	RK_MUXROUTE_GRF(2, RK_PD0, 5, 0x0310, WRITE_MASK_VAL(11, 10, 2)), /* I2S1 IO mux M2 */
1050 	RK_MUXROUTE_GRF(2, RK_PC1, 1, 0x0310, WRITE_MASK_VAL(12, 12, 0)), /* I2S2 IO mux M0 */
1051 	RK_MUXROUTE_GRF(4, RK_PB6, 5, 0x0310, WRITE_MASK_VAL(12, 12, 1)), /* I2S2 IO mux M1 */
1052 	RK_MUXROUTE_GRF(3, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(14, 14, 0)), /* I2S3 IO mux M0 */
1053 	RK_MUXROUTE_GRF(4, RK_PC2, 5, 0x0310, WRITE_MASK_VAL(14, 14, 1)), /* I2S3 IO mux M1 */
1054 	RK_MUXROUTE_GRF(1, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */
1055 	RK_MUXROUTE_GRF(1, RK_PA6, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */
1056 	RK_MUXROUTE_GRF(3, RK_PD6, 5, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */
1057 	RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */
1058 	RK_MUXROUTE_GRF(3, RK_PC4, 5, 0x0314, WRITE_MASK_VAL(1, 0, 2)), /* PDM IO mux M2 */
1059 	RK_MUXROUTE_GRF(0, RK_PA5, 3, 0x0314, WRITE_MASK_VAL(3, 2, 0)), /* PCIE20 IO mux M0 */
1060 	RK_MUXROUTE_GRF(2, RK_PD0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 1)), /* PCIE20 IO mux M1 */
1061 	RK_MUXROUTE_GRF(1, RK_PB0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 2)), /* PCIE20 IO mux M2 */
1062 	RK_MUXROUTE_GRF(0, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux M0 */
1063 	RK_MUXROUTE_GRF(2, RK_PD2, 4, 0x0314, WRITE_MASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux M1 */
1064 	RK_MUXROUTE_GRF(1, RK_PA5, 4, 0x0314, WRITE_MASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux M2 */
1065 	RK_MUXROUTE_GRF(0, RK_PA6, 2, 0x0314, WRITE_MASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux M0 */
1066 	RK_MUXROUTE_GRF(2, RK_PD4, 4, 0x0314, WRITE_MASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux M1 */
1067 	RK_MUXROUTE_GRF(4, RK_PC2, 4, 0x0314, WRITE_MASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux M2 */
1068 };
1069 
rockchip_get_mux_route(struct rockchip_pin_bank * bank,int pin,int mux,u32 * loc,u32 * reg,u32 * value)1070 static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
1071 				   int mux, u32 *loc, u32 *reg, u32 *value)
1072 {
1073 	struct rockchip_pinctrl *info = bank->drvdata;
1074 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
1075 	struct rockchip_mux_route_data *data;
1076 	int i;
1077 
1078 	for (i = 0; i < ctrl->niomux_routes; i++) {
1079 		data = &ctrl->iomux_routes[i];
1080 		if ((data->bank_num == bank->bank_num) &&
1081 		    (data->pin == pin) && (data->func == mux))
1082 			break;
1083 	}
1084 
1085 	if (i >= ctrl->niomux_routes)
1086 		return false;
1087 
1088 	*loc = data->route_location;
1089 	*reg = data->route_offset;
1090 	*value = data->route_val;
1091 
1092 	return true;
1093 }
1094 
rockchip_get_mux(struct rockchip_pin_bank * bank,int pin)1095 static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin)
1096 {
1097 	struct rockchip_pinctrl *info = bank->drvdata;
1098 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
1099 	int iomux_num = (pin / 8);
1100 	struct regmap *regmap;
1101 	unsigned int val;
1102 	int reg, ret, mask, mux_type;
1103 	u8 bit;
1104 
1105 	if (iomux_num > 3)
1106 		return -EINVAL;
1107 
1108 	if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
1109 		dev_err(info->dev, "pin %d is unrouted\n", pin);
1110 		return -EINVAL;
1111 	}
1112 
1113 	if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
1114 		return RK_FUNC_GPIO;
1115 
1116 	if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
1117 		regmap = info->regmap_pmu;
1118 	else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU)
1119 		regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base;
1120 	else
1121 		regmap = info->regmap_base;
1122 
1123 	/* get basic quadrupel of mux registers and the correct reg inside */
1124 	mux_type = bank->iomux[iomux_num].type;
1125 	reg = bank->iomux[iomux_num].offset;
1126 	if (mux_type & IOMUX_WIDTH_4BIT) {
1127 		if ((pin % 8) >= 4)
1128 			reg += 0x4;
1129 		bit = (pin % 4) * 4;
1130 		mask = 0xf;
1131 	} else if (mux_type & IOMUX_WIDTH_3BIT) {
1132 		if ((pin % 8) >= 5)
1133 			reg += 0x4;
1134 		bit = (pin % 8 % 5) * 3;
1135 		mask = 0x7;
1136 	} else {
1137 		bit = (pin % 8) * 2;
1138 		mask = 0x3;
1139 	}
1140 
1141 	if (bank->recalced_mask & BIT(pin))
1142 		rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
1143 
1144 	if (ctrl->type == RK3576) {
1145 		if ((bank->bank_num == 0) && (pin >= RK_PB4) && (pin <= RK_PB7))
1146 			reg += 0x1ff4; /* GPIO0_IOC_GPIO0B_IOMUX_SEL_H */
1147 	}
1148 
1149 	if (ctrl->type == RK3588) {
1150 		if (bank->bank_num == 0) {
1151 			if ((pin >= RK_PB4) && (pin <= RK_PD7)) {
1152 				u32 reg0 = 0;
1153 
1154 				reg0 = reg + 0x4000 - 0xC; /* PMU2_IOC_BASE */
1155 				ret = regmap_read(regmap, reg0, &val);
1156 				if (ret)
1157 					return ret;
1158 
1159 				if (!(val & BIT(8)))
1160 					return ((val >> bit) & mask);
1161 
1162 				reg = reg + 0x8000; /* BUS_IOC_BASE */
1163 				regmap = info->regmap_base;
1164 			}
1165 		} else if (bank->bank_num > 0) {
1166 			reg += 0x8000; /* BUS_IOC_BASE */
1167 		}
1168 	}
1169 
1170 	ret = regmap_read(regmap, reg, &val);
1171 	if (ret)
1172 		return ret;
1173 
1174 	return ((val >> bit) & mask);
1175 }
1176 
rockchip_verify_mux(struct rockchip_pin_bank * bank,int pin,int mux)1177 static int rockchip_verify_mux(struct rockchip_pin_bank *bank,
1178 			       int pin, int mux)
1179 {
1180 	struct rockchip_pinctrl *info = bank->drvdata;
1181 	struct device *dev = info->dev;
1182 	int iomux_num = (pin / 8);
1183 
1184 	if (iomux_num > 3)
1185 		return -EINVAL;
1186 
1187 	if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
1188 		dev_err(dev, "pin %d is unrouted\n", pin);
1189 		return -EINVAL;
1190 	}
1191 
1192 	if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) {
1193 		if (mux != RK_FUNC_GPIO) {
1194 			dev_err(dev, "pin %d only supports a gpio mux\n", pin);
1195 			return -ENOTSUPP;
1196 		}
1197 	}
1198 
1199 	return 0;
1200 }
1201 
1202 /*
1203  * Set a new mux function for a pin.
1204  *
1205  * The register is divided into the upper and lower 16 bit. When changing
1206  * a value, the previous register value is not read and changed. Instead
1207  * it seems the changed bits are marked in the upper 16 bit, while the
1208  * changed value gets set in the same offset in the lower 16 bit.
1209  * All pin settings seem to be 2 bit wide in both the upper and lower
1210  * parts.
1211  * @bank: pin bank to change
1212  * @pin: pin to change
1213  * @mux: new mux function to set
1214  */
rockchip_set_mux(struct rockchip_pin_bank * bank,int pin,int mux)1215 static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
1216 {
1217 	struct rockchip_pinctrl *info = bank->drvdata;
1218 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
1219 	struct device *dev = info->dev;
1220 	int iomux_num = (pin / 8);
1221 	struct regmap *regmap;
1222 	int reg, ret, mask, mux_type;
1223 	u8 bit;
1224 	u32 data, rmask, route_location, route_reg, route_val;
1225 
1226 	ret = rockchip_verify_mux(bank, pin, mux);
1227 	if (ret < 0)
1228 		return ret;
1229 
1230 	if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
1231 		return 0;
1232 
1233 	dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
1234 
1235 	if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
1236 		regmap = info->regmap_pmu;
1237 	else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU)
1238 		regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base;
1239 	else
1240 		regmap = info->regmap_base;
1241 
1242 	/* get basic quadrupel of mux registers and the correct reg inside */
1243 	mux_type = bank->iomux[iomux_num].type;
1244 	reg = bank->iomux[iomux_num].offset;
1245 	if (mux_type & IOMUX_WIDTH_4BIT) {
1246 		if ((pin % 8) >= 4)
1247 			reg += 0x4;
1248 		bit = (pin % 4) * 4;
1249 		mask = 0xf;
1250 	} else if (mux_type & IOMUX_WIDTH_3BIT) {
1251 		if ((pin % 8) >= 5)
1252 			reg += 0x4;
1253 		bit = (pin % 8 % 5) * 3;
1254 		mask = 0x7;
1255 	} else {
1256 		bit = (pin % 8) * 2;
1257 		mask = 0x3;
1258 	}
1259 
1260 	if (bank->recalced_mask & BIT(pin))
1261 		rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
1262 
1263 	if (ctrl->type == RK3576) {
1264 		if ((bank->bank_num == 0) && (pin >= RK_PB4) && (pin <= RK_PB7))
1265 			reg += 0x1ff4; /* GPIO0_IOC_GPIO0B_IOMUX_SEL_H */
1266 	}
1267 
1268 	if (ctrl->type == RK3588) {
1269 		if (bank->bank_num == 0) {
1270 			if ((pin >= RK_PB4) && (pin <= RK_PD7)) {
1271 				if (mux < 8) {
1272 					reg += 0x4000 - 0xC; /* PMU2_IOC_BASE */
1273 					data = (mask << (bit + 16));
1274 					rmask = data | (data >> 16);
1275 					data |= (mux & mask) << bit;
1276 					ret = regmap_update_bits(regmap, reg, rmask, data);
1277 				} else {
1278 					u32 reg0 = 0;
1279 
1280 					reg0 = reg + 0x4000 - 0xC; /* PMU2_IOC_BASE */
1281 					data = (mask << (bit + 16));
1282 					rmask = data | (data >> 16);
1283 					data |= 8 << bit;
1284 					ret = regmap_update_bits(regmap, reg0, rmask, data);
1285 
1286 					reg0 = reg + 0x8000; /* BUS_IOC_BASE */
1287 					data = (mask << (bit + 16));
1288 					rmask = data | (data >> 16);
1289 					data |= mux << bit;
1290 					regmap = info->regmap_base;
1291 					ret |= regmap_update_bits(regmap, reg0, rmask, data);
1292 				}
1293 			} else {
1294 				data = (mask << (bit + 16));
1295 				rmask = data | (data >> 16);
1296 				data |= (mux & mask) << bit;
1297 				ret = regmap_update_bits(regmap, reg, rmask, data);
1298 			}
1299 			return ret;
1300 		} else if (bank->bank_num > 0) {
1301 			reg += 0x8000; /* BUS_IOC_BASE */
1302 		}
1303 	}
1304 
1305 	if (mux > mask)
1306 		return -EINVAL;
1307 
1308 	if (bank->route_mask & BIT(pin)) {
1309 		if (rockchip_get_mux_route(bank, pin, mux, &route_location,
1310 					   &route_reg, &route_val)) {
1311 			struct regmap *route_regmap = regmap;
1312 
1313 			/* handle special locations */
1314 			switch (route_location) {
1315 			case ROCKCHIP_ROUTE_PMU:
1316 				route_regmap = info->regmap_pmu;
1317 				break;
1318 			case ROCKCHIP_ROUTE_GRF:
1319 				route_regmap = info->regmap_base;
1320 				break;
1321 			}
1322 
1323 			ret = regmap_write(route_regmap, route_reg, route_val);
1324 			if (ret)
1325 				return ret;
1326 		}
1327 	}
1328 
1329 	data = (mask << (bit + 16));
1330 	rmask = data | (data >> 16);
1331 	data |= (mux & mask) << bit;
1332 	ret = regmap_update_bits(regmap, reg, rmask, data);
1333 
1334 	return ret;
1335 }
1336 
1337 #define PX30_PULL_PMU_OFFSET		0x10
1338 #define PX30_PULL_GRF_OFFSET		0x60
1339 #define PX30_PULL_BITS_PER_PIN		2
1340 #define PX30_PULL_PINS_PER_REG		8
1341 #define PX30_PULL_BANK_STRIDE		16
1342 
px30_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1343 static int px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1344 				      int pin_num, struct regmap **regmap,
1345 				      int *reg, u8 *bit)
1346 {
1347 	struct rockchip_pinctrl *info = bank->drvdata;
1348 
1349 	/* The first 32 pins of the first bank are located in PMU */
1350 	if (bank->bank_num == 0) {
1351 		*regmap = info->regmap_pmu;
1352 		*reg = PX30_PULL_PMU_OFFSET;
1353 	} else {
1354 		*regmap = info->regmap_base;
1355 		*reg = PX30_PULL_GRF_OFFSET;
1356 
1357 		/* correct the offset, as we're starting with the 2nd bank */
1358 		*reg -= 0x10;
1359 		*reg += bank->bank_num * PX30_PULL_BANK_STRIDE;
1360 	}
1361 
1362 	*reg += ((pin_num / PX30_PULL_PINS_PER_REG) * 4);
1363 	*bit = (pin_num % PX30_PULL_PINS_PER_REG);
1364 	*bit *= PX30_PULL_BITS_PER_PIN;
1365 
1366 	return 0;
1367 }
1368 
1369 #define PX30_DRV_PMU_OFFSET		0x20
1370 #define PX30_DRV_GRF_OFFSET		0xf0
1371 #define PX30_DRV_BITS_PER_PIN		2
1372 #define PX30_DRV_PINS_PER_REG		8
1373 #define PX30_DRV_BANK_STRIDE		16
1374 
px30_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1375 static int px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1376 				     int pin_num, struct regmap **regmap,
1377 				     int *reg, u8 *bit)
1378 {
1379 	struct rockchip_pinctrl *info = bank->drvdata;
1380 
1381 	/* The first 32 pins of the first bank are located in PMU */
1382 	if (bank->bank_num == 0) {
1383 		*regmap = info->regmap_pmu;
1384 		*reg = PX30_DRV_PMU_OFFSET;
1385 	} else {
1386 		*regmap = info->regmap_base;
1387 		*reg = PX30_DRV_GRF_OFFSET;
1388 
1389 		/* correct the offset, as we're starting with the 2nd bank */
1390 		*reg -= 0x10;
1391 		*reg += bank->bank_num * PX30_DRV_BANK_STRIDE;
1392 	}
1393 
1394 	*reg += ((pin_num / PX30_DRV_PINS_PER_REG) * 4);
1395 	*bit = (pin_num % PX30_DRV_PINS_PER_REG);
1396 	*bit *= PX30_DRV_BITS_PER_PIN;
1397 
1398 	return 0;
1399 }
1400 
1401 #define PX30_SCHMITT_PMU_OFFSET			0x38
1402 #define PX30_SCHMITT_GRF_OFFSET			0xc0
1403 #define PX30_SCHMITT_PINS_PER_PMU_REG		16
1404 #define PX30_SCHMITT_BANK_STRIDE		16
1405 #define PX30_SCHMITT_PINS_PER_GRF_REG		8
1406 
px30_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1407 static int px30_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1408 					 int pin_num,
1409 					 struct regmap **regmap,
1410 					 int *reg, u8 *bit)
1411 {
1412 	struct rockchip_pinctrl *info = bank->drvdata;
1413 	int pins_per_reg;
1414 
1415 	if (bank->bank_num == 0) {
1416 		*regmap = info->regmap_pmu;
1417 		*reg = PX30_SCHMITT_PMU_OFFSET;
1418 		pins_per_reg = PX30_SCHMITT_PINS_PER_PMU_REG;
1419 	} else {
1420 		*regmap = info->regmap_base;
1421 		*reg = PX30_SCHMITT_GRF_OFFSET;
1422 		pins_per_reg = PX30_SCHMITT_PINS_PER_GRF_REG;
1423 		*reg += (bank->bank_num  - 1) * PX30_SCHMITT_BANK_STRIDE;
1424 	}
1425 
1426 	*reg += ((pin_num / pins_per_reg) * 4);
1427 	*bit = pin_num % pins_per_reg;
1428 
1429 	return 0;
1430 }
1431 
1432 #define RV1108_PULL_PMU_OFFSET		0x10
1433 #define RV1108_PULL_OFFSET		0x110
1434 #define RV1108_PULL_PINS_PER_REG	8
1435 #define RV1108_PULL_BITS_PER_PIN	2
1436 #define RV1108_PULL_BANK_STRIDE		16
1437 
rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1438 static int rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1439 					int pin_num, struct regmap **regmap,
1440 					int *reg, u8 *bit)
1441 {
1442 	struct rockchip_pinctrl *info = bank->drvdata;
1443 
1444 	/* The first 24 pins of the first bank are located in PMU */
1445 	if (bank->bank_num == 0) {
1446 		*regmap = info->regmap_pmu;
1447 		*reg = RV1108_PULL_PMU_OFFSET;
1448 	} else {
1449 		*reg = RV1108_PULL_OFFSET;
1450 		*regmap = info->regmap_base;
1451 		/* correct the offset, as we're starting with the 2nd bank */
1452 		*reg -= 0x10;
1453 		*reg += bank->bank_num * RV1108_PULL_BANK_STRIDE;
1454 	}
1455 
1456 	*reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4);
1457 	*bit = (pin_num % RV1108_PULL_PINS_PER_REG);
1458 	*bit *= RV1108_PULL_BITS_PER_PIN;
1459 
1460 	return 0;
1461 }
1462 
1463 #define RV1108_DRV_PMU_OFFSET		0x20
1464 #define RV1108_DRV_GRF_OFFSET		0x210
1465 #define RV1108_DRV_BITS_PER_PIN		2
1466 #define RV1108_DRV_PINS_PER_REG		8
1467 #define RV1108_DRV_BANK_STRIDE		16
1468 
rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1469 static int rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1470 				       int pin_num, struct regmap **regmap,
1471 				       int *reg, u8 *bit)
1472 {
1473 	struct rockchip_pinctrl *info = bank->drvdata;
1474 
1475 	/* The first 24 pins of the first bank are located in PMU */
1476 	if (bank->bank_num == 0) {
1477 		*regmap = info->regmap_pmu;
1478 		*reg = RV1108_DRV_PMU_OFFSET;
1479 	} else {
1480 		*regmap = info->regmap_base;
1481 		*reg = RV1108_DRV_GRF_OFFSET;
1482 
1483 		/* correct the offset, as we're starting with the 2nd bank */
1484 		*reg -= 0x10;
1485 		*reg += bank->bank_num * RV1108_DRV_BANK_STRIDE;
1486 	}
1487 
1488 	*reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4);
1489 	*bit = pin_num % RV1108_DRV_PINS_PER_REG;
1490 	*bit *= RV1108_DRV_BITS_PER_PIN;
1491 
1492 	return 0;
1493 }
1494 
1495 #define RV1108_SCHMITT_PMU_OFFSET		0x30
1496 #define RV1108_SCHMITT_GRF_OFFSET		0x388
1497 #define RV1108_SCHMITT_BANK_STRIDE		8
1498 #define RV1108_SCHMITT_PINS_PER_GRF_REG		16
1499 #define RV1108_SCHMITT_PINS_PER_PMU_REG		8
1500 
rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1501 static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1502 					   int pin_num,
1503 					   struct regmap **regmap,
1504 					   int *reg, u8 *bit)
1505 {
1506 	struct rockchip_pinctrl *info = bank->drvdata;
1507 	int pins_per_reg;
1508 
1509 	if (bank->bank_num == 0) {
1510 		*regmap = info->regmap_pmu;
1511 		*reg = RV1108_SCHMITT_PMU_OFFSET;
1512 		pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG;
1513 	} else {
1514 		*regmap = info->regmap_base;
1515 		*reg = RV1108_SCHMITT_GRF_OFFSET;
1516 		pins_per_reg = RV1108_SCHMITT_PINS_PER_GRF_REG;
1517 		*reg += (bank->bank_num  - 1) * RV1108_SCHMITT_BANK_STRIDE;
1518 	}
1519 	*reg += ((pin_num / pins_per_reg) * 4);
1520 	*bit = pin_num % pins_per_reg;
1521 
1522 	return 0;
1523 }
1524 
1525 #define RV1126_PULL_PMU_OFFSET		0x40
1526 #define RV1126_PULL_GRF_GPIO1A0_OFFSET	0x10108
1527 #define RV1126_PULL_PINS_PER_REG	8
1528 #define RV1126_PULL_BITS_PER_PIN	2
1529 #define RV1126_PULL_BANK_STRIDE		16
1530 #define RV1126_GPIO_C4_D7(p)		(p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */
1531 
rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1532 static int rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1533 					int pin_num, struct regmap **regmap,
1534 					int *reg, u8 *bit)
1535 {
1536 	struct rockchip_pinctrl *info = bank->drvdata;
1537 
1538 	/* The first 24 pins of the first bank are located in PMU */
1539 	if (bank->bank_num == 0) {
1540 		if (RV1126_GPIO_C4_D7(pin_num)) {
1541 			*regmap = info->regmap_base;
1542 			*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
1543 			*reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4);
1544 			*bit = pin_num % RV1126_PULL_PINS_PER_REG;
1545 			*bit *= RV1126_PULL_BITS_PER_PIN;
1546 			return 0;
1547 		}
1548 		*regmap = info->regmap_pmu;
1549 		*reg = RV1126_PULL_PMU_OFFSET;
1550 	} else {
1551 		*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
1552 		*regmap = info->regmap_base;
1553 		*reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE;
1554 	}
1555 
1556 	*reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4);
1557 	*bit = (pin_num % RV1126_PULL_PINS_PER_REG);
1558 	*bit *= RV1126_PULL_BITS_PER_PIN;
1559 
1560 	return 0;
1561 }
1562 
1563 #define RV1126_DRV_PMU_OFFSET		0x20
1564 #define RV1126_DRV_GRF_GPIO1A0_OFFSET	0x10090
1565 #define RV1126_DRV_BITS_PER_PIN		4
1566 #define RV1126_DRV_PINS_PER_REG		4
1567 #define RV1126_DRV_BANK_STRIDE		32
1568 
rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1569 static int rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1570 				       int pin_num, struct regmap **regmap,
1571 				       int *reg, u8 *bit)
1572 {
1573 	struct rockchip_pinctrl *info = bank->drvdata;
1574 
1575 	/* The first 24 pins of the first bank are located in PMU */
1576 	if (bank->bank_num == 0) {
1577 		if (RV1126_GPIO_C4_D7(pin_num)) {
1578 			*regmap = info->regmap_base;
1579 			*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
1580 			*reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4);
1581 			*reg -= 0x4;
1582 			*bit = pin_num % RV1126_DRV_PINS_PER_REG;
1583 			*bit *= RV1126_DRV_BITS_PER_PIN;
1584 			return 0;
1585 		}
1586 		*regmap = info->regmap_pmu;
1587 		*reg = RV1126_DRV_PMU_OFFSET;
1588 	} else {
1589 		*regmap = info->regmap_base;
1590 		*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
1591 		*reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE;
1592 	}
1593 
1594 	*reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4);
1595 	*bit = pin_num % RV1126_DRV_PINS_PER_REG;
1596 	*bit *= RV1126_DRV_BITS_PER_PIN;
1597 
1598 	return 0;
1599 }
1600 
1601 #define RV1126_SCHMITT_PMU_OFFSET		0x60
1602 #define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET	0x10188
1603 #define RV1126_SCHMITT_BANK_STRIDE		16
1604 #define RV1126_SCHMITT_PINS_PER_GRF_REG		8
1605 #define RV1126_SCHMITT_PINS_PER_PMU_REG		8
1606 
rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1607 static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1608 					   int pin_num,
1609 					   struct regmap **regmap,
1610 					   int *reg, u8 *bit)
1611 {
1612 	struct rockchip_pinctrl *info = bank->drvdata;
1613 	int pins_per_reg;
1614 
1615 	if (bank->bank_num == 0) {
1616 		if (RV1126_GPIO_C4_D7(pin_num)) {
1617 			*regmap = info->regmap_base;
1618 			*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
1619 			*reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4);
1620 			*bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG;
1621 			return 0;
1622 		}
1623 		*regmap = info->regmap_pmu;
1624 		*reg = RV1126_SCHMITT_PMU_OFFSET;
1625 		pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG;
1626 	} else {
1627 		*regmap = info->regmap_base;
1628 		*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
1629 		pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG;
1630 		*reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE;
1631 	}
1632 	*reg += ((pin_num / pins_per_reg) * 4);
1633 	*bit = pin_num % pins_per_reg;
1634 
1635 	return 0;
1636 }
1637 
1638 #define RK3308_SCHMITT_PINS_PER_REG		8
1639 #define RK3308_SCHMITT_BANK_STRIDE		16
1640 #define RK3308_SCHMITT_GRF_OFFSET		0x1a0
1641 
rk3308_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1642 static int rk3308_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1643 				    int pin_num, struct regmap **regmap,
1644 				    int *reg, u8 *bit)
1645 {
1646 	struct rockchip_pinctrl *info = bank->drvdata;
1647 
1648 	*regmap = info->regmap_base;
1649 	*reg = RK3308_SCHMITT_GRF_OFFSET;
1650 
1651 	*reg += bank->bank_num * RK3308_SCHMITT_BANK_STRIDE;
1652 	*reg += ((pin_num / RK3308_SCHMITT_PINS_PER_REG) * 4);
1653 	*bit = pin_num % RK3308_SCHMITT_PINS_PER_REG;
1654 
1655 	return 0;
1656 }
1657 
1658 #define RK2928_PULL_OFFSET		0x118
1659 #define RK2928_PULL_PINS_PER_REG	16
1660 #define RK2928_PULL_BANK_STRIDE		8
1661 
rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1662 static int rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1663 					int pin_num, struct regmap **regmap,
1664 					int *reg, u8 *bit)
1665 {
1666 	struct rockchip_pinctrl *info = bank->drvdata;
1667 
1668 	*regmap = info->regmap_base;
1669 	*reg = RK2928_PULL_OFFSET;
1670 	*reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
1671 	*reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4;
1672 
1673 	*bit = pin_num % RK2928_PULL_PINS_PER_REG;
1674 
1675 	return 0;
1676 };
1677 
1678 #define RK3128_PULL_OFFSET	0x118
1679 
rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1680 static int rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1681 					int pin_num, struct regmap **regmap,
1682 					int *reg, u8 *bit)
1683 {
1684 	struct rockchip_pinctrl *info = bank->drvdata;
1685 
1686 	*regmap = info->regmap_base;
1687 	*reg = RK3128_PULL_OFFSET;
1688 	*reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
1689 	*reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4);
1690 
1691 	*bit = pin_num % RK2928_PULL_PINS_PER_REG;
1692 
1693 	return 0;
1694 }
1695 
1696 #define RK3188_PULL_OFFSET		0x164
1697 #define RK3188_PULL_BITS_PER_PIN	2
1698 #define RK3188_PULL_PINS_PER_REG	8
1699 #define RK3188_PULL_BANK_STRIDE		16
1700 #define RK3188_PULL_PMU_OFFSET		0x64
1701 
rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1702 static int rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1703 					int pin_num, struct regmap **regmap,
1704 					int *reg, u8 *bit)
1705 {
1706 	struct rockchip_pinctrl *info = bank->drvdata;
1707 
1708 	/* The first 12 pins of the first bank are located elsewhere */
1709 	if (bank->bank_num == 0 && pin_num < 12) {
1710 		*regmap = info->regmap_pmu ? info->regmap_pmu
1711 					   : bank->regmap_pull;
1712 		*reg = info->regmap_pmu ? RK3188_PULL_PMU_OFFSET : 0;
1713 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1714 		*bit = pin_num % RK3188_PULL_PINS_PER_REG;
1715 		*bit *= RK3188_PULL_BITS_PER_PIN;
1716 	} else {
1717 		*regmap = info->regmap_pull ? info->regmap_pull
1718 					    : info->regmap_base;
1719 		*reg = info->regmap_pull ? 0 : RK3188_PULL_OFFSET;
1720 
1721 		/* correct the offset, as it is the 2nd pull register */
1722 		*reg -= 4;
1723 		*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1724 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1725 
1726 		/*
1727 		 * The bits in these registers have an inverse ordering
1728 		 * with the lowest pin being in bits 15:14 and the highest
1729 		 * pin in bits 1:0
1730 		 */
1731 		*bit = 7 - (pin_num % RK3188_PULL_PINS_PER_REG);
1732 		*bit *= RK3188_PULL_BITS_PER_PIN;
1733 	}
1734 
1735 	return 0;
1736 }
1737 
1738 #define RK3288_PULL_OFFSET		0x140
rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1739 static int rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1740 					int pin_num, struct regmap **regmap,
1741 					int *reg, u8 *bit)
1742 {
1743 	struct rockchip_pinctrl *info = bank->drvdata;
1744 
1745 	/* The first 24 pins of the first bank are located in PMU */
1746 	if (bank->bank_num == 0) {
1747 		*regmap = info->regmap_pmu;
1748 		*reg = RK3188_PULL_PMU_OFFSET;
1749 
1750 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1751 		*bit = pin_num % RK3188_PULL_PINS_PER_REG;
1752 		*bit *= RK3188_PULL_BITS_PER_PIN;
1753 	} else {
1754 		*regmap = info->regmap_base;
1755 		*reg = RK3288_PULL_OFFSET;
1756 
1757 		/* correct the offset, as we're starting with the 2nd bank */
1758 		*reg -= 0x10;
1759 		*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1760 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1761 
1762 		*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1763 		*bit *= RK3188_PULL_BITS_PER_PIN;
1764 	}
1765 
1766 	return 0;
1767 }
1768 
1769 #define RK3288_DRV_PMU_OFFSET		0x70
1770 #define RK3288_DRV_GRF_OFFSET		0x1c0
1771 #define RK3288_DRV_BITS_PER_PIN		2
1772 #define RK3288_DRV_PINS_PER_REG		8
1773 #define RK3288_DRV_BANK_STRIDE		16
1774 
rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1775 static int rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1776 				       int pin_num, struct regmap **regmap,
1777 				       int *reg, u8 *bit)
1778 {
1779 	struct rockchip_pinctrl *info = bank->drvdata;
1780 
1781 	/* The first 24 pins of the first bank are located in PMU */
1782 	if (bank->bank_num == 0) {
1783 		*regmap = info->regmap_pmu;
1784 		*reg = RK3288_DRV_PMU_OFFSET;
1785 
1786 		*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1787 		*bit = pin_num % RK3288_DRV_PINS_PER_REG;
1788 		*bit *= RK3288_DRV_BITS_PER_PIN;
1789 	} else {
1790 		*regmap = info->regmap_base;
1791 		*reg = RK3288_DRV_GRF_OFFSET;
1792 
1793 		/* correct the offset, as we're starting with the 2nd bank */
1794 		*reg -= 0x10;
1795 		*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1796 		*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1797 
1798 		*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1799 		*bit *= RK3288_DRV_BITS_PER_PIN;
1800 	}
1801 
1802 	return 0;
1803 }
1804 
1805 #define RK3228_PULL_OFFSET		0x100
1806 
rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1807 static int rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1808 					int pin_num, struct regmap **regmap,
1809 					int *reg, u8 *bit)
1810 {
1811 	struct rockchip_pinctrl *info = bank->drvdata;
1812 
1813 	*regmap = info->regmap_base;
1814 	*reg = RK3228_PULL_OFFSET;
1815 	*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1816 	*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1817 
1818 	*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1819 	*bit *= RK3188_PULL_BITS_PER_PIN;
1820 
1821 	return 0;
1822 }
1823 
1824 #define RK3228_DRV_GRF_OFFSET		0x200
1825 
rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1826 static int rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1827 				       int pin_num, struct regmap **regmap,
1828 				       int *reg, u8 *bit)
1829 {
1830 	struct rockchip_pinctrl *info = bank->drvdata;
1831 
1832 	*regmap = info->regmap_base;
1833 	*reg = RK3228_DRV_GRF_OFFSET;
1834 	*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1835 	*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1836 
1837 	*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1838 	*bit *= RK3288_DRV_BITS_PER_PIN;
1839 
1840 	return 0;
1841 }
1842 
1843 #define RK3308_PULL_OFFSET		0xa0
1844 
rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1845 static int rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1846 					int pin_num, struct regmap **regmap,
1847 					int *reg, u8 *bit)
1848 {
1849 	struct rockchip_pinctrl *info = bank->drvdata;
1850 
1851 	*regmap = info->regmap_base;
1852 	*reg = RK3308_PULL_OFFSET;
1853 	*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1854 	*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1855 
1856 	*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1857 	*bit *= RK3188_PULL_BITS_PER_PIN;
1858 
1859 	return 0;
1860 }
1861 
1862 #define RK3308_DRV_GRF_OFFSET		0x100
1863 
rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1864 static int rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1865 				       int pin_num, struct regmap **regmap,
1866 				       int *reg, u8 *bit)
1867 {
1868 	struct rockchip_pinctrl *info = bank->drvdata;
1869 
1870 	*regmap = info->regmap_base;
1871 	*reg = RK3308_DRV_GRF_OFFSET;
1872 	*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1873 	*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1874 
1875 	*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1876 	*bit *= RK3288_DRV_BITS_PER_PIN;
1877 
1878 	return 0;
1879 }
1880 
1881 #define RK3368_PULL_GRF_OFFSET		0x100
1882 #define RK3368_PULL_PMU_OFFSET		0x10
1883 
rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1884 static int rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1885 					int pin_num, struct regmap **regmap,
1886 					int *reg, u8 *bit)
1887 {
1888 	struct rockchip_pinctrl *info = bank->drvdata;
1889 
1890 	/* The first 32 pins of the first bank are located in PMU */
1891 	if (bank->bank_num == 0) {
1892 		*regmap = info->regmap_pmu;
1893 		*reg = RK3368_PULL_PMU_OFFSET;
1894 
1895 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1896 		*bit = pin_num % RK3188_PULL_PINS_PER_REG;
1897 		*bit *= RK3188_PULL_BITS_PER_PIN;
1898 	} else {
1899 		*regmap = info->regmap_base;
1900 		*reg = RK3368_PULL_GRF_OFFSET;
1901 
1902 		/* correct the offset, as we're starting with the 2nd bank */
1903 		*reg -= 0x10;
1904 		*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1905 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1906 
1907 		*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1908 		*bit *= RK3188_PULL_BITS_PER_PIN;
1909 	}
1910 
1911 	return 0;
1912 }
1913 
1914 #define RK3368_DRV_PMU_OFFSET		0x20
1915 #define RK3368_DRV_GRF_OFFSET		0x200
1916 
rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1917 static int rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1918 				       int pin_num, struct regmap **regmap,
1919 				       int *reg, u8 *bit)
1920 {
1921 	struct rockchip_pinctrl *info = bank->drvdata;
1922 
1923 	/* The first 32 pins of the first bank are located in PMU */
1924 	if (bank->bank_num == 0) {
1925 		*regmap = info->regmap_pmu;
1926 		*reg = RK3368_DRV_PMU_OFFSET;
1927 
1928 		*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1929 		*bit = pin_num % RK3288_DRV_PINS_PER_REG;
1930 		*bit *= RK3288_DRV_BITS_PER_PIN;
1931 	} else {
1932 		*regmap = info->regmap_base;
1933 		*reg = RK3368_DRV_GRF_OFFSET;
1934 
1935 		/* correct the offset, as we're starting with the 2nd bank */
1936 		*reg -= 0x10;
1937 		*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1938 		*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1939 
1940 		*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1941 		*bit *= RK3288_DRV_BITS_PER_PIN;
1942 	}
1943 
1944 	return 0;
1945 }
1946 
1947 #define RK3399_PULL_GRF_OFFSET		0xe040
1948 #define RK3399_PULL_PMU_OFFSET		0x40
1949 #define RK3399_DRV_3BITS_PER_PIN	3
1950 
rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1951 static int rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1952 					int pin_num, struct regmap **regmap,
1953 					int *reg, u8 *bit)
1954 {
1955 	struct rockchip_pinctrl *info = bank->drvdata;
1956 
1957 	/* The bank0:16 and bank1:32 pins are located in PMU */
1958 	if ((bank->bank_num == 0) || (bank->bank_num == 1)) {
1959 		*regmap = info->regmap_pmu;
1960 		*reg = RK3399_PULL_PMU_OFFSET;
1961 
1962 		*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1963 
1964 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1965 		*bit = pin_num % RK3188_PULL_PINS_PER_REG;
1966 		*bit *= RK3188_PULL_BITS_PER_PIN;
1967 	} else {
1968 		*regmap = info->regmap_base;
1969 		*reg = RK3399_PULL_GRF_OFFSET;
1970 
1971 		/* correct the offset, as we're starting with the 3rd bank */
1972 		*reg -= 0x20;
1973 		*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1974 		*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1975 
1976 		*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1977 		*bit *= RK3188_PULL_BITS_PER_PIN;
1978 	}
1979 
1980 	return 0;
1981 }
1982 
rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)1983 static int rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1984 				       int pin_num, struct regmap **regmap,
1985 				       int *reg, u8 *bit)
1986 {
1987 	struct rockchip_pinctrl *info = bank->drvdata;
1988 	int drv_num = (pin_num / 8);
1989 
1990 	/*  The bank0:16 and bank1:32 pins are located in PMU */
1991 	if ((bank->bank_num == 0) || (bank->bank_num == 1))
1992 		*regmap = info->regmap_pmu;
1993 	else
1994 		*regmap = info->regmap_base;
1995 
1996 	*reg = bank->drv[drv_num].offset;
1997 	if ((bank->drv[drv_num].drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
1998 	    (bank->drv[drv_num].drv_type == DRV_TYPE_IO_3V3_ONLY))
1999 		*bit = (pin_num % 8) * 3;
2000 	else
2001 		*bit = (pin_num % 8) * 2;
2002 
2003 	return 0;
2004 }
2005 
2006 #define RK3568_PULL_PMU_OFFSET		0x20
2007 #define RK3568_PULL_GRF_OFFSET		0x80
2008 #define RK3568_PULL_BITS_PER_PIN	2
2009 #define RK3568_PULL_PINS_PER_REG	8
2010 #define RK3568_PULL_BANK_STRIDE		0x10
2011 
rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2012 static int rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
2013 					int pin_num, struct regmap **regmap,
2014 					int *reg, u8 *bit)
2015 {
2016 	struct rockchip_pinctrl *info = bank->drvdata;
2017 
2018 	if (bank->bank_num == 0) {
2019 		*regmap = info->regmap_pmu;
2020 		*reg = RK3568_PULL_PMU_OFFSET;
2021 		*reg += bank->bank_num * RK3568_PULL_BANK_STRIDE;
2022 		*reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
2023 
2024 		*bit = pin_num % RK3568_PULL_PINS_PER_REG;
2025 		*bit *= RK3568_PULL_BITS_PER_PIN;
2026 	} else {
2027 		*regmap = info->regmap_base;
2028 		*reg = RK3568_PULL_GRF_OFFSET;
2029 		*reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE;
2030 		*reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
2031 
2032 		*bit = (pin_num % RK3568_PULL_PINS_PER_REG);
2033 		*bit *= RK3568_PULL_BITS_PER_PIN;
2034 	}
2035 
2036 	return 0;
2037 }
2038 
2039 #define RK3568_DRV_PMU_OFFSET		0x70
2040 #define RK3568_DRV_GRF_OFFSET		0x200
2041 #define RK3568_DRV_BITS_PER_PIN		8
2042 #define RK3568_DRV_PINS_PER_REG		2
2043 #define RK3568_DRV_BANK_STRIDE		0x40
2044 
rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2045 static int rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
2046 				       int pin_num, struct regmap **regmap,
2047 				       int *reg, u8 *bit)
2048 {
2049 	struct rockchip_pinctrl *info = bank->drvdata;
2050 
2051 	/* The first 32 pins of the first bank are located in PMU */
2052 	if (bank->bank_num == 0) {
2053 		*regmap = info->regmap_pmu;
2054 		*reg = RK3568_DRV_PMU_OFFSET;
2055 		*reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
2056 
2057 		*bit = pin_num % RK3568_DRV_PINS_PER_REG;
2058 		*bit *= RK3568_DRV_BITS_PER_PIN;
2059 	} else {
2060 		*regmap = info->regmap_base;
2061 		*reg = RK3568_DRV_GRF_OFFSET;
2062 		*reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE;
2063 		*reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
2064 
2065 		*bit = (pin_num % RK3568_DRV_PINS_PER_REG);
2066 		*bit *= RK3568_DRV_BITS_PER_PIN;
2067 	}
2068 
2069 	return 0;
2070 }
2071 
2072 #define RK3576_DRV_BITS_PER_PIN		4
2073 #define RK3576_DRV_PINS_PER_REG		4
2074 #define RK3576_DRV_GPIO0_AL_OFFSET	0x10
2075 #define RK3576_DRV_GPIO0_BH_OFFSET	0x2014
2076 #define RK3576_DRV_GPIO1_OFFSET		0x6020
2077 #define RK3576_DRV_GPIO2_OFFSET		0x6040
2078 #define RK3576_DRV_GPIO3_OFFSET		0x6060
2079 #define RK3576_DRV_GPIO4_AL_OFFSET	0x6080
2080 #define RK3576_DRV_GPIO4_CL_OFFSET	0xA090
2081 #define RK3576_DRV_GPIO4_DL_OFFSET	0xB098
2082 
rk3576_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2083 static int rk3576_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
2084 					int pin_num, struct regmap **regmap,
2085 					int *reg, u8 *bit)
2086 {
2087 	struct rockchip_pinctrl *info = bank->drvdata;
2088 
2089 	*regmap = info->regmap_base;
2090 
2091 	if (bank->bank_num == 0 && pin_num < 12)
2092 		*reg = RK3576_DRV_GPIO0_AL_OFFSET;
2093 	else if (bank->bank_num == 0)
2094 		*reg = RK3576_DRV_GPIO0_BH_OFFSET - 0xc;
2095 	else if (bank->bank_num == 1)
2096 		*reg = RK3576_DRV_GPIO1_OFFSET;
2097 	else if (bank->bank_num == 2)
2098 		*reg = RK3576_DRV_GPIO2_OFFSET;
2099 	else if (bank->bank_num == 3)
2100 		*reg = RK3576_DRV_GPIO3_OFFSET;
2101 	else if (bank->bank_num == 4 && pin_num < 16)
2102 		*reg = RK3576_DRV_GPIO4_AL_OFFSET;
2103 	else if (bank->bank_num == 4 && pin_num < 24)
2104 		*reg = RK3576_DRV_GPIO4_CL_OFFSET - 0x10;
2105 	else if (bank->bank_num == 4)
2106 		*reg = RK3576_DRV_GPIO4_DL_OFFSET - 0x18;
2107 	else
2108 		dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
2109 
2110 	*reg += ((pin_num / RK3576_DRV_PINS_PER_REG) * 4);
2111 	*bit = pin_num % RK3576_DRV_PINS_PER_REG;
2112 	*bit *= RK3576_DRV_BITS_PER_PIN;
2113 
2114 	return 0;
2115 }
2116 
2117 #define RK3576_PULL_BITS_PER_PIN	2
2118 #define RK3576_PULL_PINS_PER_REG	8
2119 #define RK3576_PULL_GPIO0_AL_OFFSET	0x20
2120 #define RK3576_PULL_GPIO0_BH_OFFSET	0x2028
2121 #define RK3576_PULL_GPIO1_OFFSET	0x6110
2122 #define RK3576_PULL_GPIO2_OFFSET	0x6120
2123 #define RK3576_PULL_GPIO3_OFFSET	0x6130
2124 #define RK3576_PULL_GPIO4_AL_OFFSET	0x6140
2125 #define RK3576_PULL_GPIO4_CL_OFFSET	0xA148
2126 #define RK3576_PULL_GPIO4_DL_OFFSET	0xB14C
2127 
rk3576_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2128 static int rk3576_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
2129 					 int pin_num, struct regmap **regmap,
2130 					 int *reg, u8 *bit)
2131 {
2132 	struct rockchip_pinctrl *info = bank->drvdata;
2133 
2134 	*regmap = info->regmap_base;
2135 
2136 	if (bank->bank_num == 0 && pin_num < 12)
2137 		*reg = RK3576_PULL_GPIO0_AL_OFFSET;
2138 	else if (bank->bank_num == 0)
2139 		*reg = RK3576_PULL_GPIO0_BH_OFFSET - 0x4;
2140 	else if (bank->bank_num == 1)
2141 		*reg = RK3576_PULL_GPIO1_OFFSET;
2142 	else if (bank->bank_num == 2)
2143 		*reg = RK3576_PULL_GPIO2_OFFSET;
2144 	else if (bank->bank_num == 3)
2145 		*reg = RK3576_PULL_GPIO3_OFFSET;
2146 	else if (bank->bank_num == 4 && pin_num < 16)
2147 		*reg = RK3576_PULL_GPIO4_AL_OFFSET;
2148 	else if (bank->bank_num == 4 && pin_num < 24)
2149 		*reg = RK3576_PULL_GPIO4_CL_OFFSET - 0x8;
2150 	else if (bank->bank_num == 4)
2151 		*reg = RK3576_PULL_GPIO4_DL_OFFSET - 0xc;
2152 	else
2153 		dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
2154 
2155 	*reg += ((pin_num / RK3576_PULL_PINS_PER_REG) * 4);
2156 	*bit = pin_num % RK3576_PULL_PINS_PER_REG;
2157 	*bit *= RK3576_PULL_BITS_PER_PIN;
2158 
2159 	return 0;
2160 }
2161 
2162 #define RK3576_SMT_BITS_PER_PIN		1
2163 #define RK3576_SMT_PINS_PER_REG		8
2164 #define RK3576_SMT_GPIO0_AL_OFFSET	0x30
2165 #define RK3576_SMT_GPIO0_BH_OFFSET	0x2040
2166 #define RK3576_SMT_GPIO1_OFFSET		0x6210
2167 #define RK3576_SMT_GPIO2_OFFSET		0x6220
2168 #define RK3576_SMT_GPIO3_OFFSET		0x6230
2169 #define RK3576_SMT_GPIO4_AL_OFFSET	0x6240
2170 #define RK3576_SMT_GPIO4_CL_OFFSET	0xA248
2171 #define RK3576_SMT_GPIO4_DL_OFFSET	0xB24C
2172 
rk3576_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2173 static int rk3576_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
2174 					   int pin_num,
2175 					   struct regmap **regmap,
2176 					   int *reg, u8 *bit)
2177 {
2178 	struct rockchip_pinctrl *info = bank->drvdata;
2179 
2180 	*regmap = info->regmap_base;
2181 
2182 	if (bank->bank_num == 0 && pin_num < 12)
2183 		*reg = RK3576_SMT_GPIO0_AL_OFFSET;
2184 	else if (bank->bank_num == 0)
2185 		*reg = RK3576_SMT_GPIO0_BH_OFFSET - 0x4;
2186 	else if (bank->bank_num == 1)
2187 		*reg = RK3576_SMT_GPIO1_OFFSET;
2188 	else if (bank->bank_num == 2)
2189 		*reg = RK3576_SMT_GPIO2_OFFSET;
2190 	else if (bank->bank_num == 3)
2191 		*reg = RK3576_SMT_GPIO3_OFFSET;
2192 	else if (bank->bank_num == 4 && pin_num < 16)
2193 		*reg = RK3576_SMT_GPIO4_AL_OFFSET;
2194 	else if (bank->bank_num == 4 && pin_num < 24)
2195 		*reg = RK3576_SMT_GPIO4_CL_OFFSET - 0x8;
2196 	else if (bank->bank_num == 4)
2197 		*reg = RK3576_SMT_GPIO4_DL_OFFSET - 0xc;
2198 	else
2199 		dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
2200 
2201 	*reg += ((pin_num / RK3576_SMT_PINS_PER_REG) * 4);
2202 	*bit = pin_num % RK3576_SMT_PINS_PER_REG;
2203 	*bit *= RK3576_SMT_BITS_PER_PIN;
2204 
2205 	return 0;
2206 }
2207 
2208 #define RK3588_PMU1_IOC_REG		(0x0000)
2209 #define RK3588_PMU2_IOC_REG		(0x4000)
2210 #define RK3588_BUS_IOC_REG		(0x8000)
2211 #define RK3588_VCCIO1_4_IOC_REG		(0x9000)
2212 #define RK3588_VCCIO3_5_IOC_REG		(0xA000)
2213 #define RK3588_VCCIO2_IOC_REG		(0xB000)
2214 #define RK3588_VCCIO6_IOC_REG		(0xC000)
2215 #define RK3588_EMMC_IOC_REG		(0xD000)
2216 
2217 static const u32 rk3588_ds_regs[][2] = {
2218 	{RK_GPIO0_A0, RK3588_PMU1_IOC_REG + 0x0010},
2219 	{RK_GPIO0_A4, RK3588_PMU1_IOC_REG + 0x0014},
2220 	{RK_GPIO0_B0, RK3588_PMU1_IOC_REG + 0x0018},
2221 	{RK_GPIO0_B4, RK3588_PMU2_IOC_REG + 0x0014},
2222 	{RK_GPIO0_C0, RK3588_PMU2_IOC_REG + 0x0018},
2223 	{RK_GPIO0_C4, RK3588_PMU2_IOC_REG + 0x001C},
2224 	{RK_GPIO0_D0, RK3588_PMU2_IOC_REG + 0x0020},
2225 	{RK_GPIO0_D4, RK3588_PMU2_IOC_REG + 0x0024},
2226 	{RK_GPIO1_A0, RK3588_VCCIO1_4_IOC_REG + 0x0020},
2227 	{RK_GPIO1_A4, RK3588_VCCIO1_4_IOC_REG + 0x0024},
2228 	{RK_GPIO1_B0, RK3588_VCCIO1_4_IOC_REG + 0x0028},
2229 	{RK_GPIO1_B4, RK3588_VCCIO1_4_IOC_REG + 0x002C},
2230 	{RK_GPIO1_C0, RK3588_VCCIO1_4_IOC_REG + 0x0030},
2231 	{RK_GPIO1_C4, RK3588_VCCIO1_4_IOC_REG + 0x0034},
2232 	{RK_GPIO1_D0, RK3588_VCCIO1_4_IOC_REG + 0x0038},
2233 	{RK_GPIO1_D4, RK3588_VCCIO1_4_IOC_REG + 0x003C},
2234 	{RK_GPIO2_A0, RK3588_EMMC_IOC_REG + 0x0040},
2235 	{RK_GPIO2_A4, RK3588_VCCIO3_5_IOC_REG + 0x0044},
2236 	{RK_GPIO2_B0, RK3588_VCCIO3_5_IOC_REG + 0x0048},
2237 	{RK_GPIO2_B4, RK3588_VCCIO3_5_IOC_REG + 0x004C},
2238 	{RK_GPIO2_C0, RK3588_VCCIO3_5_IOC_REG + 0x0050},
2239 	{RK_GPIO2_C4, RK3588_VCCIO3_5_IOC_REG + 0x0054},
2240 	{RK_GPIO2_D0, RK3588_EMMC_IOC_REG + 0x0058},
2241 	{RK_GPIO2_D4, RK3588_EMMC_IOC_REG + 0x005C},
2242 	{RK_GPIO3_A0, RK3588_VCCIO3_5_IOC_REG + 0x0060},
2243 	{RK_GPIO3_A4, RK3588_VCCIO3_5_IOC_REG + 0x0064},
2244 	{RK_GPIO3_B0, RK3588_VCCIO3_5_IOC_REG + 0x0068},
2245 	{RK_GPIO3_B4, RK3588_VCCIO3_5_IOC_REG + 0x006C},
2246 	{RK_GPIO3_C0, RK3588_VCCIO3_5_IOC_REG + 0x0070},
2247 	{RK_GPIO3_C4, RK3588_VCCIO3_5_IOC_REG + 0x0074},
2248 	{RK_GPIO3_D0, RK3588_VCCIO3_5_IOC_REG + 0x0078},
2249 	{RK_GPIO3_D4, RK3588_VCCIO3_5_IOC_REG + 0x007C},
2250 	{RK_GPIO4_A0, RK3588_VCCIO6_IOC_REG + 0x0080},
2251 	{RK_GPIO4_A4, RK3588_VCCIO6_IOC_REG + 0x0084},
2252 	{RK_GPIO4_B0, RK3588_VCCIO6_IOC_REG + 0x0088},
2253 	{RK_GPIO4_B4, RK3588_VCCIO6_IOC_REG + 0x008C},
2254 	{RK_GPIO4_C0, RK3588_VCCIO6_IOC_REG + 0x0090},
2255 	{RK_GPIO4_C2, RK3588_VCCIO3_5_IOC_REG + 0x0090},
2256 	{RK_GPIO4_C4, RK3588_VCCIO3_5_IOC_REG + 0x0094},
2257 	{RK_GPIO4_D0, RK3588_VCCIO2_IOC_REG + 0x0098},
2258 	{RK_GPIO4_D4, RK3588_VCCIO2_IOC_REG + 0x009C},
2259 };
2260 
2261 static const u32 rk3588_p_regs[][2] = {
2262 	{RK_GPIO0_A0, RK3588_PMU1_IOC_REG + 0x0020},
2263 	{RK_GPIO0_B0, RK3588_PMU1_IOC_REG + 0x0024},
2264 	{RK_GPIO0_B5, RK3588_PMU2_IOC_REG + 0x0028},
2265 	{RK_GPIO0_C0, RK3588_PMU2_IOC_REG + 0x002C},
2266 	{RK_GPIO0_D0, RK3588_PMU2_IOC_REG + 0x0030},
2267 	{RK_GPIO1_A0, RK3588_VCCIO1_4_IOC_REG + 0x0110},
2268 	{RK_GPIO1_B0, RK3588_VCCIO1_4_IOC_REG + 0x0114},
2269 	{RK_GPIO1_C0, RK3588_VCCIO1_4_IOC_REG + 0x0118},
2270 	{RK_GPIO1_D0, RK3588_VCCIO1_4_IOC_REG + 0x011C},
2271 	{RK_GPIO2_A0, RK3588_EMMC_IOC_REG + 0x0120},
2272 	{RK_GPIO2_A6, RK3588_VCCIO3_5_IOC_REG + 0x0120},
2273 	{RK_GPIO2_B0, RK3588_VCCIO3_5_IOC_REG + 0x0124},
2274 	{RK_GPIO2_C0, RK3588_VCCIO3_5_IOC_REG + 0x0128},
2275 	{RK_GPIO2_D0, RK3588_EMMC_IOC_REG + 0x012C},
2276 	{RK_GPIO3_A0, RK3588_VCCIO3_5_IOC_REG + 0x0130},
2277 	{RK_GPIO3_B0, RK3588_VCCIO3_5_IOC_REG + 0x0134},
2278 	{RK_GPIO3_C0, RK3588_VCCIO3_5_IOC_REG + 0x0138},
2279 	{RK_GPIO3_D0, RK3588_VCCIO3_5_IOC_REG + 0x013C},
2280 	{RK_GPIO4_A0, RK3588_VCCIO6_IOC_REG + 0x0140},
2281 	{RK_GPIO4_B0, RK3588_VCCIO6_IOC_REG + 0x0144},
2282 	{RK_GPIO4_C0, RK3588_VCCIO6_IOC_REG + 0x0148},
2283 	{RK_GPIO4_C2, RK3588_VCCIO3_5_IOC_REG + 0x0148},
2284 	{RK_GPIO4_D0, RK3588_VCCIO2_IOC_REG + 0x014C},
2285 };
2286 
2287 static const u32 rk3588_smt_regs[][2] = {
2288 	{RK_GPIO0_A0, RK3588_PMU1_IOC_REG + 0x0030},
2289 	{RK_GPIO0_B0, RK3588_PMU1_IOC_REG + 0x0034},
2290 	{RK_GPIO0_B5, RK3588_PMU2_IOC_REG + 0x0040},
2291 	{RK_GPIO0_C0, RK3588_PMU2_IOC_REG + 0x0044},
2292 	{RK_GPIO0_D0, RK3588_PMU2_IOC_REG + 0x0048},
2293 	{RK_GPIO1_A0, RK3588_VCCIO1_4_IOC_REG + 0x0210},
2294 	{RK_GPIO1_B0, RK3588_VCCIO1_4_IOC_REG + 0x0214},
2295 	{RK_GPIO1_C0, RK3588_VCCIO1_4_IOC_REG + 0x0218},
2296 	{RK_GPIO1_D0, RK3588_VCCIO1_4_IOC_REG + 0x021C},
2297 	{RK_GPIO2_A0, RK3588_EMMC_IOC_REG + 0x0220},
2298 	{RK_GPIO2_A6, RK3588_VCCIO3_5_IOC_REG + 0x0220},
2299 	{RK_GPIO2_B0, RK3588_VCCIO3_5_IOC_REG + 0x0224},
2300 	{RK_GPIO2_C0, RK3588_VCCIO3_5_IOC_REG + 0x0228},
2301 	{RK_GPIO2_D0, RK3588_EMMC_IOC_REG + 0x022C},
2302 	{RK_GPIO3_A0, RK3588_VCCIO3_5_IOC_REG + 0x0230},
2303 	{RK_GPIO3_B0, RK3588_VCCIO3_5_IOC_REG + 0x0234},
2304 	{RK_GPIO3_C0, RK3588_VCCIO3_5_IOC_REG + 0x0238},
2305 	{RK_GPIO3_D0, RK3588_VCCIO3_5_IOC_REG + 0x023C},
2306 	{RK_GPIO4_A0, RK3588_VCCIO6_IOC_REG + 0x0240},
2307 	{RK_GPIO4_B0, RK3588_VCCIO6_IOC_REG + 0x0244},
2308 	{RK_GPIO4_C0, RK3588_VCCIO6_IOC_REG + 0x0248},
2309 	{RK_GPIO4_C2, RK3588_VCCIO3_5_IOC_REG + 0x0248},
2310 	{RK_GPIO4_D0, RK3588_VCCIO2_IOC_REG + 0x024C},
2311 };
2312 
2313 #define RK3588_PULL_BITS_PER_PIN		2
2314 #define RK3588_PULL_PINS_PER_REG		8
2315 
rk3588_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2316 static int rk3588_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
2317 					int pin_num, struct regmap **regmap,
2318 					int *reg, u8 *bit)
2319 {
2320 	struct rockchip_pinctrl *info = bank->drvdata;
2321 	u8 bank_num = bank->bank_num;
2322 	u32 pin = bank_num * 32 + pin_num;
2323 	int i;
2324 
2325 	for (i = ARRAY_SIZE(rk3588_p_regs) - 1; i >= 0; i--) {
2326 		if (pin >= rk3588_p_regs[i][0]) {
2327 			*reg = rk3588_p_regs[i][1];
2328 			*regmap = info->regmap_base;
2329 			*bit = pin_num % RK3588_PULL_PINS_PER_REG;
2330 			*bit *= RK3588_PULL_BITS_PER_PIN;
2331 			return 0;
2332 		}
2333 	}
2334 
2335 	return -EINVAL;
2336 }
2337 
2338 #define RK3588_DRV_BITS_PER_PIN		4
2339 #define RK3588_DRV_PINS_PER_REG		4
2340 
rk3588_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2341 static int rk3588_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
2342 				       int pin_num, struct regmap **regmap,
2343 				       int *reg, u8 *bit)
2344 {
2345 	struct rockchip_pinctrl *info = bank->drvdata;
2346 	u8 bank_num = bank->bank_num;
2347 	u32 pin = bank_num * 32 + pin_num;
2348 	int i;
2349 
2350 	for (i = ARRAY_SIZE(rk3588_ds_regs) - 1; i >= 0; i--) {
2351 		if (pin >= rk3588_ds_regs[i][0]) {
2352 			*reg = rk3588_ds_regs[i][1];
2353 			*regmap = info->regmap_base;
2354 			*bit = pin_num % RK3588_DRV_PINS_PER_REG;
2355 			*bit *= RK3588_DRV_BITS_PER_PIN;
2356 			return 0;
2357 		}
2358 	}
2359 
2360 	return -EINVAL;
2361 }
2362 
2363 #define RK3588_SMT_BITS_PER_PIN		1
2364 #define RK3588_SMT_PINS_PER_REG		8
2365 
rk3588_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2366 static int rk3588_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
2367 					   int pin_num,
2368 					   struct regmap **regmap,
2369 					   int *reg, u8 *bit)
2370 {
2371 	struct rockchip_pinctrl *info = bank->drvdata;
2372 	u8 bank_num = bank->bank_num;
2373 	u32 pin = bank_num * 32 + pin_num;
2374 	int i;
2375 
2376 	for (i = ARRAY_SIZE(rk3588_smt_regs) - 1; i >= 0; i--) {
2377 		if (pin >= rk3588_smt_regs[i][0]) {
2378 			*reg = rk3588_smt_regs[i][1];
2379 			*regmap = info->regmap_base;
2380 			*bit = pin_num % RK3588_SMT_PINS_PER_REG;
2381 			*bit *= RK3588_SMT_BITS_PER_PIN;
2382 			return 0;
2383 		}
2384 	}
2385 
2386 	return -EINVAL;
2387 }
2388 
2389 static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
2390 	{ 2, 4, 8, 12, -1, -1, -1, -1 },
2391 	{ 3, 6, 9, 12, -1, -1, -1, -1 },
2392 	{ 5, 10, 15, 20, -1, -1, -1, -1 },
2393 	{ 4, 6, 8, 10, 12, 14, 16, 18 },
2394 	{ 4, 7, 10, 13, 16, 19, 22, 26 }
2395 };
2396 
rockchip_get_drive_perpin(struct rockchip_pin_bank * bank,int pin_num)2397 static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank,
2398 				     int pin_num)
2399 {
2400 	struct rockchip_pinctrl *info = bank->drvdata;
2401 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2402 	struct device *dev = info->dev;
2403 	struct regmap *regmap;
2404 	int reg, ret;
2405 	u32 data, temp, rmask_bits;
2406 	u8 bit;
2407 	int drv_type = bank->drv[pin_num / 8].drv_type;
2408 
2409 	ret = ctrl->drv_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2410 	if (ret)
2411 		return ret;
2412 
2413 	switch (drv_type) {
2414 	case DRV_TYPE_IO_1V8_3V0_AUTO:
2415 	case DRV_TYPE_IO_3V3_ONLY:
2416 		rmask_bits = RK3399_DRV_3BITS_PER_PIN;
2417 		switch (bit) {
2418 		case 0 ... 12:
2419 			/* regular case, nothing to do */
2420 			break;
2421 		case 15:
2422 			/*
2423 			 * drive-strength offset is special, as it is
2424 			 * spread over 2 registers
2425 			 */
2426 			ret = regmap_read(regmap, reg, &data);
2427 			if (ret)
2428 				return ret;
2429 
2430 			ret = regmap_read(regmap, reg + 0x4, &temp);
2431 			if (ret)
2432 				return ret;
2433 
2434 			/*
2435 			 * the bit data[15] contains bit 0 of the value
2436 			 * while temp[1:0] contains bits 2 and 1
2437 			 */
2438 			data >>= 15;
2439 			temp &= 0x3;
2440 			temp <<= 1;
2441 			data |= temp;
2442 
2443 			return rockchip_perpin_drv_list[drv_type][data];
2444 		case 18 ... 21:
2445 			/* setting fully enclosed in the second register */
2446 			reg += 4;
2447 			bit -= 16;
2448 			break;
2449 		default:
2450 			dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n",
2451 				bit, drv_type);
2452 			return -EINVAL;
2453 		}
2454 
2455 		break;
2456 	case DRV_TYPE_IO_DEFAULT:
2457 	case DRV_TYPE_IO_1V8_OR_3V0:
2458 	case DRV_TYPE_IO_1V8_ONLY:
2459 		rmask_bits = RK3288_DRV_BITS_PER_PIN;
2460 		break;
2461 	default:
2462 		dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type);
2463 		return -EINVAL;
2464 	}
2465 
2466 	ret = regmap_read(regmap, reg, &data);
2467 	if (ret)
2468 		return ret;
2469 
2470 	data >>= bit;
2471 	data &= (1 << rmask_bits) - 1;
2472 
2473 	return rockchip_perpin_drv_list[drv_type][data];
2474 }
2475 
rockchip_set_drive_perpin(struct rockchip_pin_bank * bank,int pin_num,int strength)2476 static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
2477 				     int pin_num, int strength)
2478 {
2479 	struct rockchip_pinctrl *info = bank->drvdata;
2480 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2481 	struct device *dev = info->dev;
2482 	struct regmap *regmap;
2483 	int reg, ret, i;
2484 	u32 data, rmask, rmask_bits, temp;
2485 	u8 bit;
2486 	int drv_type = bank->drv[pin_num / 8].drv_type;
2487 
2488 	dev_dbg(dev, "setting drive of GPIO%d-%d to %d\n",
2489 		bank->bank_num, pin_num, strength);
2490 
2491 	ret = ctrl->drv_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2492 	if (ret)
2493 		return ret;
2494 	if (ctrl->type == RK3588) {
2495 		rmask_bits = RK3588_DRV_BITS_PER_PIN;
2496 		ret = strength;
2497 		goto config;
2498 	} else if (ctrl->type == RK3568) {
2499 		rmask_bits = RK3568_DRV_BITS_PER_PIN;
2500 		ret = (1 << (strength + 1)) - 1;
2501 		goto config;
2502 	} else if (ctrl->type == RK3576) {
2503 		rmask_bits = RK3576_DRV_BITS_PER_PIN;
2504 		ret = ((strength & BIT(2)) >> 2) | ((strength & BIT(0)) << 2) | (strength & BIT(1));
2505 		goto config;
2506 	}
2507 
2508 	if (ctrl->type == RV1126) {
2509 		rmask_bits = RV1126_DRV_BITS_PER_PIN;
2510 		ret = strength;
2511 		goto config;
2512 	}
2513 
2514 	ret = -EINVAL;
2515 	for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) {
2516 		if (rockchip_perpin_drv_list[drv_type][i] == strength) {
2517 			ret = i;
2518 			break;
2519 		} else if (rockchip_perpin_drv_list[drv_type][i] < 0) {
2520 			ret = rockchip_perpin_drv_list[drv_type][i];
2521 			break;
2522 		}
2523 	}
2524 
2525 	if (ret < 0) {
2526 		dev_err(dev, "unsupported driver strength %d\n", strength);
2527 		return ret;
2528 	}
2529 
2530 	switch (drv_type) {
2531 	case DRV_TYPE_IO_1V8_3V0_AUTO:
2532 	case DRV_TYPE_IO_3V3_ONLY:
2533 		rmask_bits = RK3399_DRV_3BITS_PER_PIN;
2534 		switch (bit) {
2535 		case 0 ... 12:
2536 			/* regular case, nothing to do */
2537 			break;
2538 		case 15:
2539 			/*
2540 			 * drive-strength offset is special, as it is spread
2541 			 * over 2 registers, the bit data[15] contains bit 0
2542 			 * of the value while temp[1:0] contains bits 2 and 1
2543 			 */
2544 			data = (ret & 0x1) << 15;
2545 			temp = (ret >> 0x1) & 0x3;
2546 
2547 			rmask = BIT(15) | BIT(31);
2548 			data |= BIT(31);
2549 			ret = regmap_update_bits(regmap, reg, rmask, data);
2550 			if (ret)
2551 				return ret;
2552 
2553 			rmask = 0x3 | (0x3 << 16);
2554 			temp |= (0x3 << 16);
2555 			reg += 0x4;
2556 			ret = regmap_update_bits(regmap, reg, rmask, temp);
2557 
2558 			return ret;
2559 		case 18 ... 21:
2560 			/* setting fully enclosed in the second register */
2561 			reg += 4;
2562 			bit -= 16;
2563 			break;
2564 		default:
2565 			dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n",
2566 				bit, drv_type);
2567 			return -EINVAL;
2568 		}
2569 		break;
2570 	case DRV_TYPE_IO_DEFAULT:
2571 	case DRV_TYPE_IO_1V8_OR_3V0:
2572 	case DRV_TYPE_IO_1V8_ONLY:
2573 		rmask_bits = RK3288_DRV_BITS_PER_PIN;
2574 		break;
2575 	default:
2576 		dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type);
2577 		return -EINVAL;
2578 	}
2579 
2580 config:
2581 	/* enable the write to the equivalent lower bits */
2582 	data = ((1 << rmask_bits) - 1) << (bit + 16);
2583 	rmask = data | (data >> 16);
2584 	data |= (ret << bit);
2585 
2586 	ret = regmap_update_bits(regmap, reg, rmask, data);
2587 
2588 	return ret;
2589 }
2590 
2591 static int rockchip_pull_list[PULL_TYPE_MAX][4] = {
2592 	{
2593 		PIN_CONFIG_BIAS_DISABLE,
2594 		PIN_CONFIG_BIAS_PULL_UP,
2595 		PIN_CONFIG_BIAS_PULL_DOWN,
2596 		PIN_CONFIG_BIAS_BUS_HOLD
2597 	},
2598 	{
2599 		PIN_CONFIG_BIAS_DISABLE,
2600 		PIN_CONFIG_BIAS_PULL_DOWN,
2601 		PIN_CONFIG_BIAS_DISABLE,
2602 		PIN_CONFIG_BIAS_PULL_UP
2603 	},
2604 };
2605 
rockchip_get_pull(struct rockchip_pin_bank * bank,int pin_num)2606 static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
2607 {
2608 	struct rockchip_pinctrl *info = bank->drvdata;
2609 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2610 	struct device *dev = info->dev;
2611 	struct regmap *regmap;
2612 	int reg, ret, pull_type;
2613 	u8 bit;
2614 	u32 data;
2615 
2616 	/* rk3066b does support any pulls */
2617 	if (ctrl->type == RK3066B)
2618 		return PIN_CONFIG_BIAS_DISABLE;
2619 
2620 	ret = ctrl->pull_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2621 	if (ret)
2622 		return ret;
2623 
2624 	ret = regmap_read(regmap, reg, &data);
2625 	if (ret)
2626 		return ret;
2627 
2628 	switch (ctrl->type) {
2629 	case RK2928:
2630 	case RK3128:
2631 		return !(data & BIT(bit))
2632 				? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
2633 				: PIN_CONFIG_BIAS_DISABLE;
2634 	case PX30:
2635 	case RV1108:
2636 	case RK3188:
2637 	case RK3288:
2638 	case RK3308:
2639 	case RK3328:
2640 	case RK3368:
2641 	case RK3399:
2642 	case RK3568:
2643 	case RK3576:
2644 	case RK3588:
2645 		pull_type = bank->pull_type[pin_num / 8];
2646 		data >>= bit;
2647 		data &= (1 << RK3188_PULL_BITS_PER_PIN) - 1;
2648 		/*
2649 		 * In the TRM, pull-up being 1 for everything except the GPIO0_D3-D6,
2650 		 * where that pull up value becomes 3.
2651 		 */
2652 		if (ctrl->type == RK3568 && bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) {
2653 			if (data == 3)
2654 				data = 1;
2655 		}
2656 
2657 		return rockchip_pull_list[pull_type][data];
2658 	default:
2659 		dev_err(dev, "unsupported pinctrl type\n");
2660 		return -EINVAL;
2661 	};
2662 }
2663 
rockchip_set_pull(struct rockchip_pin_bank * bank,int pin_num,int pull)2664 static int rockchip_set_pull(struct rockchip_pin_bank *bank,
2665 					int pin_num, int pull)
2666 {
2667 	struct rockchip_pinctrl *info = bank->drvdata;
2668 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2669 	struct device *dev = info->dev;
2670 	struct regmap *regmap;
2671 	int reg, ret, i, pull_type;
2672 	u8 bit;
2673 	u32 data, rmask;
2674 
2675 	dev_dbg(dev, "setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull);
2676 
2677 	/* rk3066b does support any pulls */
2678 	if (ctrl->type == RK3066B)
2679 		return pull ? -EINVAL : 0;
2680 
2681 	ret = ctrl->pull_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2682 	if (ret)
2683 		return ret;
2684 
2685 	switch (ctrl->type) {
2686 	case RK2928:
2687 	case RK3128:
2688 		data = BIT(bit + 16);
2689 		if (pull == PIN_CONFIG_BIAS_DISABLE)
2690 			data |= BIT(bit);
2691 		ret = regmap_write(regmap, reg, data);
2692 		break;
2693 	case PX30:
2694 	case RV1108:
2695 	case RV1126:
2696 	case RK3188:
2697 	case RK3288:
2698 	case RK3308:
2699 	case RK3328:
2700 	case RK3368:
2701 	case RK3399:
2702 	case RK3568:
2703 	case RK3576:
2704 	case RK3588:
2705 		pull_type = bank->pull_type[pin_num / 8];
2706 		ret = -EINVAL;
2707 		for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]);
2708 			i++) {
2709 			if (rockchip_pull_list[pull_type][i] == pull) {
2710 				ret = i;
2711 				break;
2712 			}
2713 		}
2714 		/*
2715 		 * In the TRM, pull-up being 1 for everything except the GPIO0_D3-D6,
2716 		 * where that pull up value becomes 3.
2717 		 */
2718 		if (ctrl->type == RK3568 && bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) {
2719 			if (ret == 1)
2720 				ret = 3;
2721 		}
2722 
2723 		if (ret < 0) {
2724 			dev_err(dev, "unsupported pull setting %d\n", pull);
2725 			return ret;
2726 		}
2727 
2728 		/* enable the write to the equivalent lower bits */
2729 		data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16);
2730 		rmask = data | (data >> 16);
2731 		data |= (ret << bit);
2732 
2733 		ret = regmap_update_bits(regmap, reg, rmask, data);
2734 		break;
2735 	default:
2736 		dev_err(dev, "unsupported pinctrl type\n");
2737 		return -EINVAL;
2738 	}
2739 
2740 	return ret;
2741 }
2742 
2743 #define RK3328_SCHMITT_BITS_PER_PIN		1
2744 #define RK3328_SCHMITT_PINS_PER_REG		16
2745 #define RK3328_SCHMITT_BANK_STRIDE		8
2746 #define RK3328_SCHMITT_GRF_OFFSET		0x380
2747 
rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2748 static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
2749 					   int pin_num,
2750 					   struct regmap **regmap,
2751 					   int *reg, u8 *bit)
2752 {
2753 	struct rockchip_pinctrl *info = bank->drvdata;
2754 
2755 	*regmap = info->regmap_base;
2756 	*reg = RK3328_SCHMITT_GRF_OFFSET;
2757 
2758 	*reg += bank->bank_num * RK3328_SCHMITT_BANK_STRIDE;
2759 	*reg += ((pin_num / RK3328_SCHMITT_PINS_PER_REG) * 4);
2760 	*bit = pin_num % RK3328_SCHMITT_PINS_PER_REG;
2761 
2762 	return 0;
2763 }
2764 
2765 #define RK3568_SCHMITT_BITS_PER_PIN		2
2766 #define RK3568_SCHMITT_PINS_PER_REG		8
2767 #define RK3568_SCHMITT_BANK_STRIDE		0x10
2768 #define RK3568_SCHMITT_GRF_OFFSET		0xc0
2769 #define RK3568_SCHMITT_PMUGRF_OFFSET		0x30
2770 
rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)2771 static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
2772 					   int pin_num,
2773 					   struct regmap **regmap,
2774 					   int *reg, u8 *bit)
2775 {
2776 	struct rockchip_pinctrl *info = bank->drvdata;
2777 
2778 	if (bank->bank_num == 0) {
2779 		*regmap = info->regmap_pmu;
2780 		*reg = RK3568_SCHMITT_PMUGRF_OFFSET;
2781 	} else {
2782 		*regmap = info->regmap_base;
2783 		*reg = RK3568_SCHMITT_GRF_OFFSET;
2784 		*reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE;
2785 	}
2786 
2787 	*reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4);
2788 	*bit = pin_num % RK3568_SCHMITT_PINS_PER_REG;
2789 	*bit *= RK3568_SCHMITT_BITS_PER_PIN;
2790 
2791 	return 0;
2792 }
2793 
rockchip_get_schmitt(struct rockchip_pin_bank * bank,int pin_num)2794 static int rockchip_get_schmitt(struct rockchip_pin_bank *bank, int pin_num)
2795 {
2796 	struct rockchip_pinctrl *info = bank->drvdata;
2797 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2798 	struct regmap *regmap;
2799 	int reg, ret;
2800 	u8 bit;
2801 	u32 data;
2802 
2803 	ret = ctrl->schmitt_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2804 	if (ret)
2805 		return ret;
2806 
2807 	ret = regmap_read(regmap, reg, &data);
2808 	if (ret)
2809 		return ret;
2810 
2811 	data >>= bit;
2812 	switch (ctrl->type) {
2813 	case RK3568:
2814 		return data & ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1);
2815 	default:
2816 		break;
2817 	}
2818 
2819 	return data & 0x1;
2820 }
2821 
rockchip_set_schmitt(struct rockchip_pin_bank * bank,int pin_num,int enable)2822 static int rockchip_set_schmitt(struct rockchip_pin_bank *bank,
2823 				int pin_num, int enable)
2824 {
2825 	struct rockchip_pinctrl *info = bank->drvdata;
2826 	struct rockchip_pin_ctrl *ctrl = info->ctrl;
2827 	struct device *dev = info->dev;
2828 	struct regmap *regmap;
2829 	int reg, ret;
2830 	u8 bit;
2831 	u32 data, rmask;
2832 
2833 	dev_dbg(dev, "setting input schmitt of GPIO%d-%d to %d\n",
2834 		bank->bank_num, pin_num, enable);
2835 
2836 	ret = ctrl->schmitt_calc_reg(bank, pin_num, &regmap, &reg, &bit);
2837 	if (ret)
2838 		return ret;
2839 
2840 	/* enable the write to the equivalent lower bits */
2841 	switch (ctrl->type) {
2842 	case RK3568:
2843 		data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16);
2844 		rmask = data | (data >> 16);
2845 		data |= ((enable ? 0x2 : 0x1) << bit);
2846 		break;
2847 	default:
2848 		data = BIT(bit + 16) | (enable << bit);
2849 		rmask = BIT(bit + 16) | BIT(bit);
2850 		break;
2851 	}
2852 
2853 	return regmap_update_bits(regmap, reg, rmask, data);
2854 }
2855 
2856 /*
2857  * Pinmux_ops handling
2858  */
2859 
rockchip_pmx_get_funcs_count(struct pinctrl_dev * pctldev)2860 static int rockchip_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
2861 {
2862 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2863 
2864 	return info->nfunctions;
2865 }
2866 
rockchip_pmx_get_func_name(struct pinctrl_dev * pctldev,unsigned selector)2867 static const char *rockchip_pmx_get_func_name(struct pinctrl_dev *pctldev,
2868 					  unsigned selector)
2869 {
2870 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2871 
2872 	return info->functions[selector].name;
2873 }
2874 
rockchip_pmx_get_groups(struct pinctrl_dev * pctldev,unsigned selector,const char * const ** groups,unsigned * const num_groups)2875 static int rockchip_pmx_get_groups(struct pinctrl_dev *pctldev,
2876 				unsigned selector, const char * const **groups,
2877 				unsigned * const num_groups)
2878 {
2879 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2880 
2881 	*groups = info->functions[selector].groups;
2882 	*num_groups = info->functions[selector].ngroups;
2883 
2884 	return 0;
2885 }
2886 
rockchip_pmx_set(struct pinctrl_dev * pctldev,unsigned selector,unsigned group)2887 static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
2888 			    unsigned group)
2889 {
2890 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2891 	const unsigned int *pins = info->groups[group].pins;
2892 	const struct rockchip_pin_config *data = info->groups[group].data;
2893 	struct device *dev = info->dev;
2894 	struct rockchip_pin_bank *bank;
2895 	int cnt, ret = 0;
2896 
2897 	dev_dbg(dev, "enable function %s group %s\n",
2898 		info->functions[selector].name, info->groups[group].name);
2899 
2900 	/*
2901 	 * for each pin in the pin group selected, program the corresponding
2902 	 * pin function number in the config register.
2903 	 */
2904 	for (cnt = 0; cnt < info->groups[group].npins; cnt++) {
2905 		bank = pin_to_bank(info, pins[cnt]);
2906 		ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base,
2907 				       data[cnt].func);
2908 		if (ret)
2909 			break;
2910 	}
2911 
2912 	if (ret) {
2913 		/* revert the already done pin settings */
2914 		for (cnt--; cnt >= 0; cnt--) {
2915 			bank = pin_to_bank(info, pins[cnt]);
2916 			rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0);
2917 		}
2918 
2919 		return ret;
2920 	}
2921 
2922 	return 0;
2923 }
2924 
rockchip_pmx_gpio_set_direction(struct pinctrl_dev * pctldev,struct pinctrl_gpio_range * range,unsigned offset,bool input)2925 static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
2926 					   struct pinctrl_gpio_range *range,
2927 					   unsigned offset,
2928 					   bool input)
2929 {
2930 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2931 	struct rockchip_pin_bank *bank;
2932 
2933 	bank = pin_to_bank(info, offset);
2934 	return rockchip_set_mux(bank, offset - bank->pin_base, RK_FUNC_GPIO);
2935 }
2936 
2937 static const struct pinmux_ops rockchip_pmx_ops = {
2938 	.get_functions_count	= rockchip_pmx_get_funcs_count,
2939 	.get_function_name	= rockchip_pmx_get_func_name,
2940 	.get_function_groups	= rockchip_pmx_get_groups,
2941 	.set_mux		= rockchip_pmx_set,
2942 	.gpio_set_direction	= rockchip_pmx_gpio_set_direction,
2943 };
2944 
2945 /*
2946  * Pinconf_ops handling
2947  */
2948 
rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl * ctrl,enum pin_config_param pull)2949 static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
2950 					enum pin_config_param pull)
2951 {
2952 	switch (ctrl->type) {
2953 	case RK2928:
2954 	case RK3128:
2955 		return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT ||
2956 					pull == PIN_CONFIG_BIAS_DISABLE);
2957 	case RK3066B:
2958 		return pull ? false : true;
2959 	case PX30:
2960 	case RV1108:
2961 	case RV1126:
2962 	case RK3188:
2963 	case RK3288:
2964 	case RK3308:
2965 	case RK3328:
2966 	case RK3368:
2967 	case RK3399:
2968 	case RK3568:
2969 	case RK3576:
2970 	case RK3588:
2971 		return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT);
2972 	}
2973 
2974 	return false;
2975 }
2976 
rockchip_pinconf_defer_pin(struct rockchip_pin_bank * bank,unsigned int pin,u32 param,u32 arg)2977 static int rockchip_pinconf_defer_pin(struct rockchip_pin_bank *bank,
2978 					 unsigned int pin, u32 param, u32 arg)
2979 {
2980 	struct rockchip_pin_deferred *cfg;
2981 
2982 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
2983 	if (!cfg)
2984 		return -ENOMEM;
2985 
2986 	cfg->pin = pin;
2987 	cfg->param = param;
2988 	cfg->arg = arg;
2989 
2990 	list_add_tail(&cfg->head, &bank->deferred_pins);
2991 
2992 	return 0;
2993 }
2994 
2995 /* set the pin config settings for a specified pin */
rockchip_pinconf_set(struct pinctrl_dev * pctldev,unsigned int pin,unsigned long * configs,unsigned num_configs)2996 static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
2997 				unsigned long *configs, unsigned num_configs)
2998 {
2999 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
3000 	struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
3001 	struct gpio_chip *gpio = &bank->gpio_chip;
3002 	enum pin_config_param param;
3003 	u32 arg;
3004 	int i;
3005 	int rc;
3006 
3007 	for (i = 0; i < num_configs; i++) {
3008 		param = pinconf_to_config_param(configs[i]);
3009 		arg = pinconf_to_config_argument(configs[i]);
3010 
3011 		if (param == PIN_CONFIG_OUTPUT || param == PIN_CONFIG_INPUT_ENABLE) {
3012 			/*
3013 			 * Check for gpio driver not being probed yet.
3014 			 * The lock makes sure that either gpio-probe has completed
3015 			 * or the gpio driver hasn't probed yet.
3016 			 */
3017 			mutex_lock(&bank->deferred_lock);
3018 			if (!gpio || !gpio->direction_output) {
3019 				rc = rockchip_pinconf_defer_pin(bank, pin - bank->pin_base, param,
3020 								arg);
3021 				mutex_unlock(&bank->deferred_lock);
3022 				if (rc)
3023 					return rc;
3024 
3025 				break;
3026 			}
3027 			mutex_unlock(&bank->deferred_lock);
3028 		}
3029 
3030 		switch (param) {
3031 		case PIN_CONFIG_BIAS_DISABLE:
3032 			rc =  rockchip_set_pull(bank, pin - bank->pin_base,
3033 				param);
3034 			if (rc)
3035 				return rc;
3036 			break;
3037 		case PIN_CONFIG_BIAS_PULL_UP:
3038 		case PIN_CONFIG_BIAS_PULL_DOWN:
3039 		case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
3040 		case PIN_CONFIG_BIAS_BUS_HOLD:
3041 			if (!rockchip_pinconf_pull_valid(info->ctrl, param))
3042 				return -ENOTSUPP;
3043 
3044 			if (!arg)
3045 				return -EINVAL;
3046 
3047 			rc = rockchip_set_pull(bank, pin - bank->pin_base,
3048 				param);
3049 			if (rc)
3050 				return rc;
3051 			break;
3052 		case PIN_CONFIG_OUTPUT:
3053 			rc = rockchip_set_mux(bank, pin - bank->pin_base,
3054 					      RK_FUNC_GPIO);
3055 			if (rc != RK_FUNC_GPIO)
3056 				return -EINVAL;
3057 
3058 			rc = gpio->direction_output(gpio, pin - bank->pin_base,
3059 						    arg);
3060 			if (rc)
3061 				return rc;
3062 			break;
3063 		case PIN_CONFIG_INPUT_ENABLE:
3064 			rc = rockchip_set_mux(bank, pin - bank->pin_base,
3065 					      RK_FUNC_GPIO);
3066 			if (rc != RK_FUNC_GPIO)
3067 				return -EINVAL;
3068 
3069 			rc = gpio->direction_input(gpio, pin - bank->pin_base);
3070 			if (rc)
3071 				return rc;
3072 			break;
3073 		case PIN_CONFIG_DRIVE_STRENGTH:
3074 			/* rk3288 is the first with per-pin drive-strength */
3075 			if (!info->ctrl->drv_calc_reg)
3076 				return -ENOTSUPP;
3077 
3078 			rc = rockchip_set_drive_perpin(bank,
3079 						pin - bank->pin_base, arg);
3080 			if (rc < 0)
3081 				return rc;
3082 			break;
3083 		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
3084 			if (!info->ctrl->schmitt_calc_reg)
3085 				return -ENOTSUPP;
3086 
3087 			rc = rockchip_set_schmitt(bank,
3088 						  pin - bank->pin_base, arg);
3089 			if (rc < 0)
3090 				return rc;
3091 			break;
3092 		default:
3093 			return -ENOTSUPP;
3094 			break;
3095 		}
3096 	} /* for each config */
3097 
3098 	return 0;
3099 }
3100 
3101 /* get the pin config settings for a specified pin */
rockchip_pinconf_get(struct pinctrl_dev * pctldev,unsigned int pin,unsigned long * config)3102 static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
3103 							unsigned long *config)
3104 {
3105 	struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
3106 	struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
3107 	struct gpio_chip *gpio = &bank->gpio_chip;
3108 	enum pin_config_param param = pinconf_to_config_param(*config);
3109 	u16 arg;
3110 	int rc;
3111 
3112 	switch (param) {
3113 	case PIN_CONFIG_BIAS_DISABLE:
3114 		if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
3115 			return -EINVAL;
3116 
3117 		arg = 0;
3118 		break;
3119 	case PIN_CONFIG_BIAS_PULL_UP:
3120 	case PIN_CONFIG_BIAS_PULL_DOWN:
3121 	case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
3122 	case PIN_CONFIG_BIAS_BUS_HOLD:
3123 		if (!rockchip_pinconf_pull_valid(info->ctrl, param))
3124 			return -ENOTSUPP;
3125 
3126 		if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
3127 			return -EINVAL;
3128 
3129 		arg = 1;
3130 		break;
3131 	case PIN_CONFIG_OUTPUT:
3132 		rc = rockchip_get_mux(bank, pin - bank->pin_base);
3133 		if (rc != RK_FUNC_GPIO)
3134 			return -EINVAL;
3135 
3136 		if (!gpio || !gpio->get) {
3137 			arg = 0;
3138 			break;
3139 		}
3140 
3141 		rc = gpio->get(gpio, pin - bank->pin_base);
3142 		if (rc < 0)
3143 			return rc;
3144 
3145 		arg = rc ? 1 : 0;
3146 		break;
3147 	case PIN_CONFIG_DRIVE_STRENGTH:
3148 		/* rk3288 is the first with per-pin drive-strength */
3149 		if (!info->ctrl->drv_calc_reg)
3150 			return -ENOTSUPP;
3151 
3152 		rc = rockchip_get_drive_perpin(bank, pin - bank->pin_base);
3153 		if (rc < 0)
3154 			return rc;
3155 
3156 		arg = rc;
3157 		break;
3158 	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
3159 		if (!info->ctrl->schmitt_calc_reg)
3160 			return -ENOTSUPP;
3161 
3162 		rc = rockchip_get_schmitt(bank, pin - bank->pin_base);
3163 		if (rc < 0)
3164 			return rc;
3165 
3166 		arg = rc;
3167 		break;
3168 	default:
3169 		return -ENOTSUPP;
3170 		break;
3171 	}
3172 
3173 	*config = pinconf_to_config_packed(param, arg);
3174 
3175 	return 0;
3176 }
3177 
3178 static const struct pinconf_ops rockchip_pinconf_ops = {
3179 	.pin_config_get			= rockchip_pinconf_get,
3180 	.pin_config_set			= rockchip_pinconf_set,
3181 	.is_generic			= true,
3182 };
3183 
3184 static const struct of_device_id rockchip_bank_match[] = {
3185 	{ .compatible = "rockchip,gpio-bank" },
3186 	{ .compatible = "rockchip,rk3188-gpio-bank0" },
3187 	{},
3188 };
3189 
rockchip_pinctrl_child_count(struct rockchip_pinctrl * info,struct device_node * np)3190 static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info,
3191 						struct device_node *np)
3192 {
3193 	struct device_node *child;
3194 
3195 	for_each_child_of_node(np, child) {
3196 		if (of_match_node(rockchip_bank_match, child))
3197 			continue;
3198 
3199 		info->nfunctions++;
3200 		info->ngroups += of_get_child_count(child);
3201 	}
3202 }
3203 
rockchip_pinctrl_parse_groups(struct device_node * np,struct rockchip_pin_group * grp,struct rockchip_pinctrl * info,u32 index)3204 static int rockchip_pinctrl_parse_groups(struct device_node *np,
3205 					      struct rockchip_pin_group *grp,
3206 					      struct rockchip_pinctrl *info,
3207 					      u32 index)
3208 {
3209 	struct device *dev = info->dev;
3210 	struct rockchip_pin_bank *bank;
3211 	int size;
3212 	const __be32 *list;
3213 	int num;
3214 	int i, j;
3215 	int ret;
3216 
3217 	dev_dbg(dev, "group(%d): %pOFn\n", index, np);
3218 
3219 	/* Initialise group */
3220 	grp->name = np->name;
3221 
3222 	/*
3223 	 * the binding format is rockchip,pins = <bank pin mux CONFIG>,
3224 	 * do sanity check and calculate pins number
3225 	 */
3226 	list = of_get_property(np, "rockchip,pins", &size);
3227 	/* we do not check return since it's safe node passed down */
3228 	size /= sizeof(*list);
3229 	if (!size || size % 4)
3230 		return dev_err_probe(dev, -EINVAL, "wrong pins number or pins and configs should be by 4\n");
3231 
3232 	grp->npins = size / 4;
3233 
3234 	grp->pins = devm_kcalloc(dev, grp->npins, sizeof(*grp->pins), GFP_KERNEL);
3235 	grp->data = devm_kcalloc(dev, grp->npins, sizeof(*grp->data), GFP_KERNEL);
3236 	if (!grp->pins || !grp->data)
3237 		return -ENOMEM;
3238 
3239 	for (i = 0, j = 0; i < size; i += 4, j++) {
3240 		const __be32 *phandle;
3241 		struct device_node *np_config;
3242 
3243 		num = be32_to_cpu(*list++);
3244 		bank = bank_num_to_bank(info, num);
3245 		if (IS_ERR(bank))
3246 			return PTR_ERR(bank);
3247 
3248 		grp->pins[j] = bank->pin_base + be32_to_cpu(*list++);
3249 		grp->data[j].func = be32_to_cpu(*list++);
3250 
3251 		phandle = list++;
3252 		if (!phandle)
3253 			return -EINVAL;
3254 
3255 		np_config = of_find_node_by_phandle(be32_to_cpup(phandle));
3256 		ret = pinconf_generic_parse_dt_config(np_config, NULL,
3257 				&grp->data[j].configs, &grp->data[j].nconfigs);
3258 		of_node_put(np_config);
3259 		if (ret)
3260 			return ret;
3261 	}
3262 
3263 	return 0;
3264 }
3265 
rockchip_pinctrl_parse_functions(struct device_node * np,struct rockchip_pinctrl * info,u32 index)3266 static int rockchip_pinctrl_parse_functions(struct device_node *np,
3267 						struct rockchip_pinctrl *info,
3268 						u32 index)
3269 {
3270 	struct device *dev = info->dev;
3271 	struct rockchip_pmx_func *func;
3272 	struct rockchip_pin_group *grp;
3273 	int ret;
3274 	static u32 grp_index;
3275 	u32 i = 0;
3276 
3277 	dev_dbg(dev, "parse function(%d): %pOFn\n", index, np);
3278 
3279 	func = &info->functions[index];
3280 
3281 	/* Initialise function */
3282 	func->name = np->name;
3283 	func->ngroups = of_get_child_count(np);
3284 	if (func->ngroups <= 0)
3285 		return 0;
3286 
3287 	func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL);
3288 	if (!func->groups)
3289 		return -ENOMEM;
3290 
3291 	for_each_child_of_node_scoped(np, child) {
3292 		func->groups[i] = child->name;
3293 		grp = &info->groups[grp_index++];
3294 		ret = rockchip_pinctrl_parse_groups(child, grp, info, i++);
3295 		if (ret)
3296 			return ret;
3297 	}
3298 
3299 	return 0;
3300 }
3301 
rockchip_pinctrl_parse_dt(struct platform_device * pdev,struct rockchip_pinctrl * info)3302 static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
3303 					      struct rockchip_pinctrl *info)
3304 {
3305 	struct device *dev = &pdev->dev;
3306 	struct device_node *np = dev->of_node;
3307 	int ret;
3308 	int i;
3309 
3310 	rockchip_pinctrl_child_count(info, np);
3311 
3312 	dev_dbg(dev, "nfunctions = %d\n", info->nfunctions);
3313 	dev_dbg(dev, "ngroups = %d\n", info->ngroups);
3314 
3315 	info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions), GFP_KERNEL);
3316 	if (!info->functions)
3317 		return -ENOMEM;
3318 
3319 	info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups), GFP_KERNEL);
3320 	if (!info->groups)
3321 		return -ENOMEM;
3322 
3323 	i = 0;
3324 
3325 	for_each_child_of_node_scoped(np, child) {
3326 		if (of_match_node(rockchip_bank_match, child))
3327 			continue;
3328 
3329 		ret = rockchip_pinctrl_parse_functions(child, info, i++);
3330 		if (ret) {
3331 			dev_err(dev, "failed to parse function\n");
3332 			return ret;
3333 		}
3334 	}
3335 
3336 	return 0;
3337 }
3338 
rockchip_pinctrl_register(struct platform_device * pdev,struct rockchip_pinctrl * info)3339 static int rockchip_pinctrl_register(struct platform_device *pdev,
3340 					struct rockchip_pinctrl *info)
3341 {
3342 	struct pinctrl_desc *ctrldesc = &info->pctl;
3343 	struct pinctrl_pin_desc *pindesc, *pdesc;
3344 	struct rockchip_pin_bank *pin_bank;
3345 	struct device *dev = &pdev->dev;
3346 	char **pin_names;
3347 	int pin, bank, ret;
3348 	int k;
3349 
3350 	ctrldesc->name = "rockchip-pinctrl";
3351 	ctrldesc->owner = THIS_MODULE;
3352 	ctrldesc->pctlops = &rockchip_pctrl_ops;
3353 	ctrldesc->pmxops = &rockchip_pmx_ops;
3354 	ctrldesc->confops = &rockchip_pinconf_ops;
3355 
3356 	pindesc = devm_kcalloc(dev, info->ctrl->nr_pins, sizeof(*pindesc), GFP_KERNEL);
3357 	if (!pindesc)
3358 		return -ENOMEM;
3359 
3360 	ctrldesc->pins = pindesc;
3361 	ctrldesc->npins = info->ctrl->nr_pins;
3362 
3363 	pdesc = pindesc;
3364 	for (bank = 0, k = 0; bank < info->ctrl->nr_banks; bank++) {
3365 		pin_bank = &info->ctrl->pin_banks[bank];
3366 
3367 		pin_names = devm_kasprintf_strarray(dev, pin_bank->name, pin_bank->nr_pins);
3368 		if (IS_ERR(pin_names))
3369 			return PTR_ERR(pin_names);
3370 
3371 		for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) {
3372 			pdesc->number = k;
3373 			pdesc->name = pin_names[pin];
3374 			pdesc++;
3375 		}
3376 
3377 		INIT_LIST_HEAD(&pin_bank->deferred_pins);
3378 		mutex_init(&pin_bank->deferred_lock);
3379 	}
3380 
3381 	ret = rockchip_pinctrl_parse_dt(pdev, info);
3382 	if (ret)
3383 		return ret;
3384 
3385 	info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info);
3386 	if (IS_ERR(info->pctl_dev))
3387 		return dev_err_probe(dev, PTR_ERR(info->pctl_dev), "could not register pinctrl driver\n");
3388 
3389 	return 0;
3390 }
3391 
3392 static const struct of_device_id rockchip_pinctrl_dt_match[];
3393 
3394 /* retrieve the soc specific data */
rockchip_pinctrl_get_soc_data(struct rockchip_pinctrl * d,struct platform_device * pdev)3395 static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(
3396 						struct rockchip_pinctrl *d,
3397 						struct platform_device *pdev)
3398 {
3399 	struct device *dev = &pdev->dev;
3400 	struct device_node *node = dev->of_node;
3401 	const struct of_device_id *match;
3402 	struct rockchip_pin_ctrl *ctrl;
3403 	struct rockchip_pin_bank *bank;
3404 	int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j;
3405 
3406 	match = of_match_node(rockchip_pinctrl_dt_match, node);
3407 	ctrl = (struct rockchip_pin_ctrl *)match->data;
3408 
3409 	grf_offs = ctrl->grf_mux_offset;
3410 	pmu_offs = ctrl->pmu_mux_offset;
3411 	drv_pmu_offs = ctrl->pmu_drv_offset;
3412 	drv_grf_offs = ctrl->grf_drv_offset;
3413 	bank = ctrl->pin_banks;
3414 	for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
3415 		int bank_pins = 0;
3416 
3417 		raw_spin_lock_init(&bank->slock);
3418 		bank->drvdata = d;
3419 		bank->pin_base = ctrl->nr_pins;
3420 		ctrl->nr_pins += bank->nr_pins;
3421 
3422 		/* calculate iomux and drv offsets */
3423 		for (j = 0; j < 4; j++) {
3424 			struct rockchip_iomux *iom = &bank->iomux[j];
3425 			struct rockchip_drv *drv = &bank->drv[j];
3426 			int inc;
3427 
3428 			if (bank_pins >= bank->nr_pins)
3429 				break;
3430 
3431 			/* preset iomux offset value, set new start value */
3432 			if (iom->offset >= 0) {
3433 				if ((iom->type & IOMUX_SOURCE_PMU) ||
3434 				    (iom->type & IOMUX_L_SOURCE_PMU))
3435 					pmu_offs = iom->offset;
3436 				else
3437 					grf_offs = iom->offset;
3438 			} else { /* set current iomux offset */
3439 				iom->offset = ((iom->type & IOMUX_SOURCE_PMU) ||
3440 					       (iom->type & IOMUX_L_SOURCE_PMU)) ?
3441 							pmu_offs : grf_offs;
3442 			}
3443 
3444 			/* preset drv offset value, set new start value */
3445 			if (drv->offset >= 0) {
3446 				if (iom->type & IOMUX_SOURCE_PMU)
3447 					drv_pmu_offs = drv->offset;
3448 				else
3449 					drv_grf_offs = drv->offset;
3450 			} else { /* set current drv offset */
3451 				drv->offset = (iom->type & IOMUX_SOURCE_PMU) ?
3452 						drv_pmu_offs : drv_grf_offs;
3453 			}
3454 
3455 			dev_dbg(dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n",
3456 				i, j, iom->offset, drv->offset);
3457 
3458 			/*
3459 			 * Increase offset according to iomux width.
3460 			 * 4bit iomux'es are spread over two registers.
3461 			 */
3462 			inc = (iom->type & (IOMUX_WIDTH_4BIT |
3463 					    IOMUX_WIDTH_3BIT |
3464 					    IOMUX_WIDTH_2BIT)) ? 8 : 4;
3465 			if ((iom->type & IOMUX_SOURCE_PMU) || (iom->type & IOMUX_L_SOURCE_PMU))
3466 				pmu_offs += inc;
3467 			else
3468 				grf_offs += inc;
3469 
3470 			/*
3471 			 * Increase offset according to drv width.
3472 			 * 3bit drive-strenth'es are spread over two registers.
3473 			 */
3474 			if ((drv->drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
3475 			    (drv->drv_type == DRV_TYPE_IO_3V3_ONLY))
3476 				inc = 8;
3477 			else
3478 				inc = 4;
3479 
3480 			if (iom->type & IOMUX_SOURCE_PMU)
3481 				drv_pmu_offs += inc;
3482 			else
3483 				drv_grf_offs += inc;
3484 
3485 			bank_pins += 8;
3486 		}
3487 
3488 		/* calculate the per-bank recalced_mask */
3489 		for (j = 0; j < ctrl->niomux_recalced; j++) {
3490 			int pin = 0;
3491 
3492 			if (ctrl->iomux_recalced[j].num == bank->bank_num) {
3493 				pin = ctrl->iomux_recalced[j].pin;
3494 				bank->recalced_mask |= BIT(pin);
3495 			}
3496 		}
3497 
3498 		/* calculate the per-bank route_mask */
3499 		for (j = 0; j < ctrl->niomux_routes; j++) {
3500 			int pin = 0;
3501 
3502 			if (ctrl->iomux_routes[j].bank_num == bank->bank_num) {
3503 				pin = ctrl->iomux_routes[j].pin;
3504 				bank->route_mask |= BIT(pin);
3505 			}
3506 		}
3507 	}
3508 
3509 	return ctrl;
3510 }
3511 
3512 #define RK3288_GRF_GPIO6C_IOMUX		0x64
3513 #define GPIO6C6_SEL_WRITE_ENABLE	BIT(28)
3514 
3515 static u32 rk3288_grf_gpio6c_iomux;
3516 
rockchip_pinctrl_suspend(struct device * dev)3517 static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev)
3518 {
3519 	struct rockchip_pinctrl *info = dev_get_drvdata(dev);
3520 	int ret = pinctrl_force_sleep(info->pctl_dev);
3521 
3522 	if (ret)
3523 		return ret;
3524 
3525 	/*
3526 	 * RK3288 GPIO6_C6 mux would be modified by Maskrom when resume, so save
3527 	 * the setting here, and restore it at resume.
3528 	 */
3529 	if (info->ctrl->type == RK3288) {
3530 		ret = regmap_read(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
3531 				  &rk3288_grf_gpio6c_iomux);
3532 		if (ret) {
3533 			pinctrl_force_default(info->pctl_dev);
3534 			return ret;
3535 		}
3536 	}
3537 
3538 	return 0;
3539 }
3540 
rockchip_pinctrl_resume(struct device * dev)3541 static int __maybe_unused rockchip_pinctrl_resume(struct device *dev)
3542 {
3543 	struct rockchip_pinctrl *info = dev_get_drvdata(dev);
3544 	int ret;
3545 
3546 	if (info->ctrl->type == RK3288) {
3547 		ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
3548 				   rk3288_grf_gpio6c_iomux |
3549 				   GPIO6C6_SEL_WRITE_ENABLE);
3550 		if (ret)
3551 			return ret;
3552 	}
3553 
3554 	return pinctrl_force_default(info->pctl_dev);
3555 }
3556 
3557 static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend,
3558 			 rockchip_pinctrl_resume);
3559 
rockchip_pinctrl_probe(struct platform_device * pdev)3560 static int rockchip_pinctrl_probe(struct platform_device *pdev)
3561 {
3562 	struct rockchip_pinctrl *info;
3563 	struct device *dev = &pdev->dev;
3564 	struct device_node *np = dev->of_node, *node;
3565 	struct rockchip_pin_ctrl *ctrl;
3566 	struct resource *res;
3567 	void __iomem *base;
3568 	int ret;
3569 
3570 	if (!dev->of_node)
3571 		return dev_err_probe(dev, -ENODEV, "device tree node not found\n");
3572 
3573 	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
3574 	if (!info)
3575 		return -ENOMEM;
3576 
3577 	info->dev = dev;
3578 
3579 	ctrl = rockchip_pinctrl_get_soc_data(info, pdev);
3580 	if (!ctrl)
3581 		return dev_err_probe(dev, -EINVAL, "driver data not available\n");
3582 	info->ctrl = ctrl;
3583 
3584 	node = of_parse_phandle(np, "rockchip,grf", 0);
3585 	if (node) {
3586 		info->regmap_base = syscon_node_to_regmap(node);
3587 		of_node_put(node);
3588 		if (IS_ERR(info->regmap_base))
3589 			return PTR_ERR(info->regmap_base);
3590 	} else {
3591 		base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
3592 		if (IS_ERR(base))
3593 			return PTR_ERR(base);
3594 
3595 		rockchip_regmap_config.max_register = resource_size(res) - 4;
3596 		rockchip_regmap_config.name = "rockchip,pinctrl";
3597 		info->regmap_base =
3598 			devm_regmap_init_mmio(dev, base, &rockchip_regmap_config);
3599 
3600 		/* to check for the old dt-bindings */
3601 		info->reg_size = resource_size(res);
3602 
3603 		/* Honor the old binding, with pull registers as 2nd resource */
3604 		if (ctrl->type == RK3188 && info->reg_size < 0x200) {
3605 			base = devm_platform_get_and_ioremap_resource(pdev, 1, &res);
3606 			if (IS_ERR(base))
3607 				return PTR_ERR(base);
3608 
3609 			rockchip_regmap_config.max_register = resource_size(res) - 4;
3610 			rockchip_regmap_config.name = "rockchip,pinctrl-pull";
3611 			info->regmap_pull =
3612 				devm_regmap_init_mmio(dev, base, &rockchip_regmap_config);
3613 		}
3614 	}
3615 
3616 	/* try to find the optional reference to the pmu syscon */
3617 	node = of_parse_phandle(np, "rockchip,pmu", 0);
3618 	if (node) {
3619 		info->regmap_pmu = syscon_node_to_regmap(node);
3620 		of_node_put(node);
3621 		if (IS_ERR(info->regmap_pmu))
3622 			return PTR_ERR(info->regmap_pmu);
3623 	}
3624 
3625 	ret = rockchip_pinctrl_register(pdev, info);
3626 	if (ret)
3627 		return ret;
3628 
3629 	platform_set_drvdata(pdev, info);
3630 
3631 	ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
3632 	if (ret)
3633 		return dev_err_probe(dev, ret, "failed to register gpio device\n");
3634 
3635 	return 0;
3636 }
3637 
rockchip_pinctrl_remove(struct platform_device * pdev)3638 static void rockchip_pinctrl_remove(struct platform_device *pdev)
3639 {
3640 	struct rockchip_pinctrl *info = platform_get_drvdata(pdev);
3641 	struct rockchip_pin_bank *bank;
3642 	struct rockchip_pin_deferred *cfg;
3643 	int i;
3644 
3645 	of_platform_depopulate(&pdev->dev);
3646 
3647 	for (i = 0; i < info->ctrl->nr_banks; i++) {
3648 		bank = &info->ctrl->pin_banks[i];
3649 
3650 		mutex_lock(&bank->deferred_lock);
3651 		while (!list_empty(&bank->deferred_pins)) {
3652 			cfg = list_first_entry(&bank->deferred_pins,
3653 					       struct rockchip_pin_deferred, head);
3654 			list_del(&cfg->head);
3655 			kfree(cfg);
3656 		}
3657 		mutex_unlock(&bank->deferred_lock);
3658 	}
3659 }
3660 
3661 static struct rockchip_pin_bank px30_pin_banks[] = {
3662 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
3663 					     IOMUX_SOURCE_PMU,
3664 					     IOMUX_SOURCE_PMU,
3665 					     IOMUX_SOURCE_PMU
3666 			    ),
3667 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
3668 					     IOMUX_WIDTH_4BIT,
3669 					     IOMUX_WIDTH_4BIT,
3670 					     IOMUX_WIDTH_4BIT
3671 			    ),
3672 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
3673 					     IOMUX_WIDTH_4BIT,
3674 					     IOMUX_WIDTH_4BIT,
3675 					     IOMUX_WIDTH_4BIT
3676 			    ),
3677 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
3678 					     IOMUX_WIDTH_4BIT,
3679 					     IOMUX_WIDTH_4BIT,
3680 					     IOMUX_WIDTH_4BIT
3681 			    ),
3682 };
3683 
3684 static struct rockchip_pin_ctrl px30_pin_ctrl = {
3685 		.pin_banks		= px30_pin_banks,
3686 		.nr_banks		= ARRAY_SIZE(px30_pin_banks),
3687 		.label			= "PX30-GPIO",
3688 		.type			= PX30,
3689 		.grf_mux_offset		= 0x0,
3690 		.pmu_mux_offset		= 0x0,
3691 		.iomux_routes		= px30_mux_route_data,
3692 		.niomux_routes		= ARRAY_SIZE(px30_mux_route_data),
3693 		.pull_calc_reg		= px30_calc_pull_reg_and_bit,
3694 		.drv_calc_reg		= px30_calc_drv_reg_and_bit,
3695 		.schmitt_calc_reg	= px30_calc_schmitt_reg_and_bit,
3696 };
3697 
3698 static struct rockchip_pin_bank rv1108_pin_banks[] = {
3699 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
3700 					     IOMUX_SOURCE_PMU,
3701 					     IOMUX_SOURCE_PMU,
3702 					     IOMUX_SOURCE_PMU),
3703 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
3704 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
3705 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
3706 };
3707 
3708 static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
3709 	.pin_banks		= rv1108_pin_banks,
3710 	.nr_banks		= ARRAY_SIZE(rv1108_pin_banks),
3711 	.label			= "RV1108-GPIO",
3712 	.type			= RV1108,
3713 	.grf_mux_offset		= 0x10,
3714 	.pmu_mux_offset		= 0x0,
3715 	.iomux_recalced		= rv1108_mux_recalced_data,
3716 	.niomux_recalced	= ARRAY_SIZE(rv1108_mux_recalced_data),
3717 	.pull_calc_reg		= rv1108_calc_pull_reg_and_bit,
3718 	.drv_calc_reg		= rv1108_calc_drv_reg_and_bit,
3719 	.schmitt_calc_reg	= rv1108_calc_schmitt_reg_and_bit,
3720 };
3721 
3722 static struct rockchip_pin_bank rv1126_pin_banks[] = {
3723 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0",
3724 			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
3725 			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
3726 			     IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU,
3727 			     IOMUX_WIDTH_4BIT),
3728 	PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1",
3729 				    IOMUX_WIDTH_4BIT,
3730 				    IOMUX_WIDTH_4BIT,
3731 				    IOMUX_WIDTH_4BIT,
3732 				    IOMUX_WIDTH_4BIT,
3733 				    0x10010, 0x10018, 0x10020, 0x10028),
3734 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2",
3735 			     IOMUX_WIDTH_4BIT,
3736 			     IOMUX_WIDTH_4BIT,
3737 			     IOMUX_WIDTH_4BIT,
3738 			     IOMUX_WIDTH_4BIT),
3739 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
3740 			     IOMUX_WIDTH_4BIT,
3741 			     IOMUX_WIDTH_4BIT,
3742 			     IOMUX_WIDTH_4BIT,
3743 			     IOMUX_WIDTH_4BIT),
3744 	PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4",
3745 			     IOMUX_WIDTH_4BIT, 0, 0, 0),
3746 };
3747 
3748 static struct rockchip_pin_ctrl rv1126_pin_ctrl = {
3749 	.pin_banks		= rv1126_pin_banks,
3750 	.nr_banks		= ARRAY_SIZE(rv1126_pin_banks),
3751 	.label			= "RV1126-GPIO",
3752 	.type			= RV1126,
3753 	.grf_mux_offset		= 0x10004, /* mux offset from GPIO0_D0 */
3754 	.pmu_mux_offset		= 0x0,
3755 	.iomux_routes		= rv1126_mux_route_data,
3756 	.niomux_routes		= ARRAY_SIZE(rv1126_mux_route_data),
3757 	.iomux_recalced		= rv1126_mux_recalced_data,
3758 	.niomux_recalced	= ARRAY_SIZE(rv1126_mux_recalced_data),
3759 	.pull_calc_reg		= rv1126_calc_pull_reg_and_bit,
3760 	.drv_calc_reg		= rv1126_calc_drv_reg_and_bit,
3761 	.schmitt_calc_reg	= rv1126_calc_schmitt_reg_and_bit,
3762 };
3763 
3764 static struct rockchip_pin_bank rk2928_pin_banks[] = {
3765 	PIN_BANK(0, 32, "gpio0"),
3766 	PIN_BANK(1, 32, "gpio1"),
3767 	PIN_BANK(2, 32, "gpio2"),
3768 	PIN_BANK(3, 32, "gpio3"),
3769 };
3770 
3771 static struct rockchip_pin_ctrl rk2928_pin_ctrl = {
3772 		.pin_banks		= rk2928_pin_banks,
3773 		.nr_banks		= ARRAY_SIZE(rk2928_pin_banks),
3774 		.label			= "RK2928-GPIO",
3775 		.type			= RK2928,
3776 		.grf_mux_offset		= 0xa8,
3777 		.pull_calc_reg		= rk2928_calc_pull_reg_and_bit,
3778 };
3779 
3780 static struct rockchip_pin_bank rk3036_pin_banks[] = {
3781 	PIN_BANK(0, 32, "gpio0"),
3782 	PIN_BANK(1, 32, "gpio1"),
3783 	PIN_BANK(2, 32, "gpio2"),
3784 };
3785 
3786 static struct rockchip_pin_ctrl rk3036_pin_ctrl = {
3787 		.pin_banks		= rk3036_pin_banks,
3788 		.nr_banks		= ARRAY_SIZE(rk3036_pin_banks),
3789 		.label			= "RK3036-GPIO",
3790 		.type			= RK2928,
3791 		.grf_mux_offset		= 0xa8,
3792 		.pull_calc_reg		= rk2928_calc_pull_reg_and_bit,
3793 };
3794 
3795 static struct rockchip_pin_bank rk3066a_pin_banks[] = {
3796 	PIN_BANK(0, 32, "gpio0"),
3797 	PIN_BANK(1, 32, "gpio1"),
3798 	PIN_BANK(2, 32, "gpio2"),
3799 	PIN_BANK(3, 32, "gpio3"),
3800 	PIN_BANK(4, 32, "gpio4"),
3801 	PIN_BANK(6, 16, "gpio6"),
3802 };
3803 
3804 static struct rockchip_pin_ctrl rk3066a_pin_ctrl = {
3805 		.pin_banks		= rk3066a_pin_banks,
3806 		.nr_banks		= ARRAY_SIZE(rk3066a_pin_banks),
3807 		.label			= "RK3066a-GPIO",
3808 		.type			= RK2928,
3809 		.grf_mux_offset		= 0xa8,
3810 		.pull_calc_reg		= rk2928_calc_pull_reg_and_bit,
3811 };
3812 
3813 static struct rockchip_pin_bank rk3066b_pin_banks[] = {
3814 	PIN_BANK(0, 32, "gpio0"),
3815 	PIN_BANK(1, 32, "gpio1"),
3816 	PIN_BANK(2, 32, "gpio2"),
3817 	PIN_BANK(3, 32, "gpio3"),
3818 };
3819 
3820 static struct rockchip_pin_ctrl rk3066b_pin_ctrl = {
3821 		.pin_banks	= rk3066b_pin_banks,
3822 		.nr_banks	= ARRAY_SIZE(rk3066b_pin_banks),
3823 		.label		= "RK3066b-GPIO",
3824 		.type		= RK3066B,
3825 		.grf_mux_offset	= 0x60,
3826 };
3827 
3828 static struct rockchip_pin_bank rk3128_pin_banks[] = {
3829 	PIN_BANK(0, 32, "gpio0"),
3830 	PIN_BANK(1, 32, "gpio1"),
3831 	PIN_BANK(2, 32, "gpio2"),
3832 	PIN_BANK(3, 32, "gpio3"),
3833 };
3834 
3835 static struct rockchip_pin_ctrl rk3128_pin_ctrl = {
3836 		.pin_banks		= rk3128_pin_banks,
3837 		.nr_banks		= ARRAY_SIZE(rk3128_pin_banks),
3838 		.label			= "RK3128-GPIO",
3839 		.type			= RK3128,
3840 		.grf_mux_offset		= 0xa8,
3841 		.iomux_recalced		= rk3128_mux_recalced_data,
3842 		.niomux_recalced	= ARRAY_SIZE(rk3128_mux_recalced_data),
3843 		.iomux_routes		= rk3128_mux_route_data,
3844 		.niomux_routes		= ARRAY_SIZE(rk3128_mux_route_data),
3845 		.pull_calc_reg		= rk3128_calc_pull_reg_and_bit,
3846 };
3847 
3848 static struct rockchip_pin_bank rk3188_pin_banks[] = {
3849 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0),
3850 	PIN_BANK(1, 32, "gpio1"),
3851 	PIN_BANK(2, 32, "gpio2"),
3852 	PIN_BANK(3, 32, "gpio3"),
3853 };
3854 
3855 static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
3856 		.pin_banks		= rk3188_pin_banks,
3857 		.nr_banks		= ARRAY_SIZE(rk3188_pin_banks),
3858 		.label			= "RK3188-GPIO",
3859 		.type			= RK3188,
3860 		.grf_mux_offset		= 0x60,
3861 		.iomux_routes		= rk3188_mux_route_data,
3862 		.niomux_routes		= ARRAY_SIZE(rk3188_mux_route_data),
3863 		.pull_calc_reg		= rk3188_calc_pull_reg_and_bit,
3864 };
3865 
3866 static struct rockchip_pin_bank rk3228_pin_banks[] = {
3867 	PIN_BANK(0, 32, "gpio0"),
3868 	PIN_BANK(1, 32, "gpio1"),
3869 	PIN_BANK(2, 32, "gpio2"),
3870 	PIN_BANK(3, 32, "gpio3"),
3871 };
3872 
3873 static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
3874 		.pin_banks		= rk3228_pin_banks,
3875 		.nr_banks		= ARRAY_SIZE(rk3228_pin_banks),
3876 		.label			= "RK3228-GPIO",
3877 		.type			= RK3288,
3878 		.grf_mux_offset		= 0x0,
3879 		.iomux_routes		= rk3228_mux_route_data,
3880 		.niomux_routes		= ARRAY_SIZE(rk3228_mux_route_data),
3881 		.pull_calc_reg		= rk3228_calc_pull_reg_and_bit,
3882 		.drv_calc_reg		= rk3228_calc_drv_reg_and_bit,
3883 };
3884 
3885 static struct rockchip_pin_bank rk3288_pin_banks[] = {
3886 	PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU,
3887 					     IOMUX_SOURCE_PMU,
3888 					     IOMUX_SOURCE_PMU,
3889 					     IOMUX_UNROUTED
3890 			    ),
3891 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_UNROUTED,
3892 					     IOMUX_UNROUTED,
3893 					     IOMUX_UNROUTED,
3894 					     0
3895 			    ),
3896 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, IOMUX_UNROUTED),
3897 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, IOMUX_WIDTH_4BIT),
3898 	PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
3899 					     IOMUX_WIDTH_4BIT,
3900 					     0,
3901 					     0
3902 			    ),
3903 	PIN_BANK_IOMUX_FLAGS(5, 32, "gpio5", IOMUX_UNROUTED,
3904 					     0,
3905 					     0,
3906 					     IOMUX_UNROUTED
3907 			    ),
3908 	PIN_BANK_IOMUX_FLAGS(6, 32, "gpio6", 0, 0, 0, IOMUX_UNROUTED),
3909 	PIN_BANK_IOMUX_FLAGS(7, 32, "gpio7", 0,
3910 					     0,
3911 					     IOMUX_WIDTH_4BIT,
3912 					     IOMUX_UNROUTED
3913 			    ),
3914 	PIN_BANK(8, 16, "gpio8"),
3915 };
3916 
3917 static struct rockchip_pin_ctrl rk3288_pin_ctrl = {
3918 		.pin_banks		= rk3288_pin_banks,
3919 		.nr_banks		= ARRAY_SIZE(rk3288_pin_banks),
3920 		.label			= "RK3288-GPIO",
3921 		.type			= RK3288,
3922 		.grf_mux_offset		= 0x0,
3923 		.pmu_mux_offset		= 0x84,
3924 		.iomux_routes		= rk3288_mux_route_data,
3925 		.niomux_routes		= ARRAY_SIZE(rk3288_mux_route_data),
3926 		.pull_calc_reg		= rk3288_calc_pull_reg_and_bit,
3927 		.drv_calc_reg		= rk3288_calc_drv_reg_and_bit,
3928 };
3929 
3930 static struct rockchip_pin_bank rk3308_pin_banks[] = {
3931 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_WIDTH_2BIT,
3932 					     IOMUX_WIDTH_2BIT,
3933 					     IOMUX_WIDTH_2BIT,
3934 					     IOMUX_WIDTH_2BIT),
3935 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_2BIT,
3936 					     IOMUX_WIDTH_2BIT,
3937 					     IOMUX_WIDTH_2BIT,
3938 					     IOMUX_WIDTH_2BIT),
3939 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_2BIT,
3940 					     IOMUX_WIDTH_2BIT,
3941 					     IOMUX_WIDTH_2BIT,
3942 					     IOMUX_WIDTH_2BIT),
3943 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_2BIT,
3944 					     IOMUX_WIDTH_2BIT,
3945 					     IOMUX_WIDTH_2BIT,
3946 					     IOMUX_WIDTH_2BIT),
3947 	PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_2BIT,
3948 					     IOMUX_WIDTH_2BIT,
3949 					     IOMUX_WIDTH_2BIT,
3950 					     IOMUX_WIDTH_2BIT),
3951 };
3952 
3953 static struct rockchip_pin_ctrl rk3308_pin_ctrl = {
3954 		.pin_banks		= rk3308_pin_banks,
3955 		.nr_banks		= ARRAY_SIZE(rk3308_pin_banks),
3956 		.label			= "RK3308-GPIO",
3957 		.type			= RK3308,
3958 		.grf_mux_offset		= 0x0,
3959 		.iomux_recalced		= rk3308_mux_recalced_data,
3960 		.niomux_recalced	= ARRAY_SIZE(rk3308_mux_recalced_data),
3961 		.iomux_routes		= rk3308_mux_route_data,
3962 		.niomux_routes		= ARRAY_SIZE(rk3308_mux_route_data),
3963 		.pull_calc_reg		= rk3308_calc_pull_reg_and_bit,
3964 		.drv_calc_reg		= rk3308_calc_drv_reg_and_bit,
3965 		.schmitt_calc_reg	= rk3308_calc_schmitt_reg_and_bit,
3966 };
3967 
3968 static struct rockchip_pin_bank rk3328_pin_banks[] = {
3969 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
3970 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
3971 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
3972 			     IOMUX_WIDTH_2BIT,
3973 			     IOMUX_WIDTH_3BIT,
3974 			     0),
3975 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
3976 			     IOMUX_WIDTH_3BIT,
3977 			     IOMUX_WIDTH_3BIT,
3978 			     0,
3979 			     0),
3980 };
3981 
3982 static struct rockchip_pin_ctrl rk3328_pin_ctrl = {
3983 		.pin_banks		= rk3328_pin_banks,
3984 		.nr_banks		= ARRAY_SIZE(rk3328_pin_banks),
3985 		.label			= "RK3328-GPIO",
3986 		.type			= RK3328,
3987 		.grf_mux_offset		= 0x0,
3988 		.iomux_recalced		= rk3328_mux_recalced_data,
3989 		.niomux_recalced	= ARRAY_SIZE(rk3328_mux_recalced_data),
3990 		.iomux_routes		= rk3328_mux_route_data,
3991 		.niomux_routes		= ARRAY_SIZE(rk3328_mux_route_data),
3992 		.pull_calc_reg		= rk3228_calc_pull_reg_and_bit,
3993 		.drv_calc_reg		= rk3228_calc_drv_reg_and_bit,
3994 		.schmitt_calc_reg	= rk3328_calc_schmitt_reg_and_bit,
3995 };
3996 
3997 static struct rockchip_pin_bank rk3368_pin_banks[] = {
3998 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
3999 					     IOMUX_SOURCE_PMU,
4000 					     IOMUX_SOURCE_PMU,
4001 					     IOMUX_SOURCE_PMU
4002 			    ),
4003 	PIN_BANK(1, 32, "gpio1"),
4004 	PIN_BANK(2, 32, "gpio2"),
4005 	PIN_BANK(3, 32, "gpio3"),
4006 };
4007 
4008 static struct rockchip_pin_ctrl rk3368_pin_ctrl = {
4009 		.pin_banks		= rk3368_pin_banks,
4010 		.nr_banks		= ARRAY_SIZE(rk3368_pin_banks),
4011 		.label			= "RK3368-GPIO",
4012 		.type			= RK3368,
4013 		.grf_mux_offset		= 0x0,
4014 		.pmu_mux_offset		= 0x0,
4015 		.pull_calc_reg		= rk3368_calc_pull_reg_and_bit,
4016 		.drv_calc_reg		= rk3368_calc_drv_reg_and_bit,
4017 };
4018 
4019 static struct rockchip_pin_bank rk3399_pin_banks[] = {
4020 	PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(0, 32, "gpio0",
4021 							 IOMUX_SOURCE_PMU,
4022 							 IOMUX_SOURCE_PMU,
4023 							 IOMUX_SOURCE_PMU,
4024 							 IOMUX_SOURCE_PMU,
4025 							 DRV_TYPE_IO_1V8_ONLY,
4026 							 DRV_TYPE_IO_1V8_ONLY,
4027 							 DRV_TYPE_IO_DEFAULT,
4028 							 DRV_TYPE_IO_DEFAULT,
4029 							 0x80,
4030 							 0x88,
4031 							 -1,
4032 							 -1,
4033 							 PULL_TYPE_IO_1V8_ONLY,
4034 							 PULL_TYPE_IO_1V8_ONLY,
4035 							 PULL_TYPE_IO_DEFAULT,
4036 							 PULL_TYPE_IO_DEFAULT
4037 							),
4038 	PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(1, 32, "gpio1", IOMUX_SOURCE_PMU,
4039 					IOMUX_SOURCE_PMU,
4040 					IOMUX_SOURCE_PMU,
4041 					IOMUX_SOURCE_PMU,
4042 					DRV_TYPE_IO_1V8_OR_3V0,
4043 					DRV_TYPE_IO_1V8_OR_3V0,
4044 					DRV_TYPE_IO_1V8_OR_3V0,
4045 					DRV_TYPE_IO_1V8_OR_3V0,
4046 					0xa0,
4047 					0xa8,
4048 					0xb0,
4049 					0xb8
4050 					),
4051 	PIN_BANK_DRV_FLAGS_PULL_FLAGS(2, 32, "gpio2", DRV_TYPE_IO_1V8_OR_3V0,
4052 				      DRV_TYPE_IO_1V8_OR_3V0,
4053 				      DRV_TYPE_IO_1V8_ONLY,
4054 				      DRV_TYPE_IO_1V8_ONLY,
4055 				      PULL_TYPE_IO_DEFAULT,
4056 				      PULL_TYPE_IO_DEFAULT,
4057 				      PULL_TYPE_IO_1V8_ONLY,
4058 				      PULL_TYPE_IO_1V8_ONLY
4059 				      ),
4060 	PIN_BANK_DRV_FLAGS(3, 32, "gpio3", DRV_TYPE_IO_3V3_ONLY,
4061 			   DRV_TYPE_IO_3V3_ONLY,
4062 			   DRV_TYPE_IO_3V3_ONLY,
4063 			   DRV_TYPE_IO_1V8_OR_3V0
4064 			   ),
4065 	PIN_BANK_DRV_FLAGS(4, 32, "gpio4", DRV_TYPE_IO_1V8_OR_3V0,
4066 			   DRV_TYPE_IO_1V8_3V0_AUTO,
4067 			   DRV_TYPE_IO_1V8_OR_3V0,
4068 			   DRV_TYPE_IO_1V8_OR_3V0
4069 			   ),
4070 };
4071 
4072 static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
4073 		.pin_banks		= rk3399_pin_banks,
4074 		.nr_banks		= ARRAY_SIZE(rk3399_pin_banks),
4075 		.label			= "RK3399-GPIO",
4076 		.type			= RK3399,
4077 		.grf_mux_offset		= 0xe000,
4078 		.pmu_mux_offset		= 0x0,
4079 		.grf_drv_offset		= 0xe100,
4080 		.pmu_drv_offset		= 0x80,
4081 		.iomux_routes		= rk3399_mux_route_data,
4082 		.niomux_routes		= ARRAY_SIZE(rk3399_mux_route_data),
4083 		.pull_calc_reg		= rk3399_calc_pull_reg_and_bit,
4084 		.drv_calc_reg		= rk3399_calc_drv_reg_and_bit,
4085 };
4086 
4087 static struct rockchip_pin_bank rk3568_pin_banks[] = {
4088 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
4089 					     IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
4090 					     IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
4091 					     IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT),
4092 	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
4093 					     IOMUX_WIDTH_4BIT,
4094 					     IOMUX_WIDTH_4BIT,
4095 					     IOMUX_WIDTH_4BIT),
4096 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
4097 					     IOMUX_WIDTH_4BIT,
4098 					     IOMUX_WIDTH_4BIT,
4099 					     IOMUX_WIDTH_4BIT),
4100 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
4101 					     IOMUX_WIDTH_4BIT,
4102 					     IOMUX_WIDTH_4BIT,
4103 					     IOMUX_WIDTH_4BIT),
4104 	PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
4105 					     IOMUX_WIDTH_4BIT,
4106 					     IOMUX_WIDTH_4BIT,
4107 					     IOMUX_WIDTH_4BIT),
4108 };
4109 
4110 static struct rockchip_pin_ctrl rk3568_pin_ctrl = {
4111 	.pin_banks		= rk3568_pin_banks,
4112 	.nr_banks		= ARRAY_SIZE(rk3568_pin_banks),
4113 	.label			= "RK3568-GPIO",
4114 	.type			= RK3568,
4115 	.grf_mux_offset		= 0x0,
4116 	.pmu_mux_offset		= 0x0,
4117 	.grf_drv_offset		= 0x0200,
4118 	.pmu_drv_offset		= 0x0070,
4119 	.iomux_routes		= rk3568_mux_route_data,
4120 	.niomux_routes		= ARRAY_SIZE(rk3568_mux_route_data),
4121 	.pull_calc_reg		= rk3568_calc_pull_reg_and_bit,
4122 	.drv_calc_reg		= rk3568_calc_drv_reg_and_bit,
4123 	.schmitt_calc_reg	= rk3568_calc_schmitt_reg_and_bit,
4124 };
4125 
4126 #define RK3576_PIN_BANK(ID, LABEL, OFFSET0, OFFSET1, OFFSET2, OFFSET3)	\
4127 	PIN_BANK_IOMUX_FLAGS_OFFSET_PULL_FLAGS(ID, 32, LABEL,		\
4128 					       IOMUX_WIDTH_4BIT,	\
4129 					       IOMUX_WIDTH_4BIT,	\
4130 					       IOMUX_WIDTH_4BIT,	\
4131 					       IOMUX_WIDTH_4BIT,	\
4132 					       OFFSET0, OFFSET1,	\
4133 					       OFFSET2, OFFSET3,	\
4134 					       PULL_TYPE_IO_1V8_ONLY,	\
4135 					       PULL_TYPE_IO_1V8_ONLY,	\
4136 					       PULL_TYPE_IO_1V8_ONLY,	\
4137 					       PULL_TYPE_IO_1V8_ONLY)
4138 
4139 static struct rockchip_pin_bank rk3576_pin_banks[] = {
4140 	RK3576_PIN_BANK(0, "gpio0", 0, 0x8, 0x2004, 0x200C),
4141 	RK3576_PIN_BANK(1, "gpio1", 0x4020, 0x4028, 0x4030, 0x4038),
4142 	RK3576_PIN_BANK(2, "gpio2", 0x4040, 0x4048, 0x4050, 0x4058),
4143 	RK3576_PIN_BANK(3, "gpio3", 0x4060, 0x4068, 0x4070, 0x4078),
4144 	RK3576_PIN_BANK(4, "gpio4", 0x4080, 0x4088, 0xA390, 0xB398),
4145 };
4146 
4147 static struct rockchip_pin_ctrl rk3576_pin_ctrl __maybe_unused = {
4148 	.pin_banks		= rk3576_pin_banks,
4149 	.nr_banks		= ARRAY_SIZE(rk3576_pin_banks),
4150 	.label			= "RK3576-GPIO",
4151 	.type			= RK3576,
4152 	.pull_calc_reg		= rk3576_calc_pull_reg_and_bit,
4153 	.drv_calc_reg		= rk3576_calc_drv_reg_and_bit,
4154 	.schmitt_calc_reg	= rk3576_calc_schmitt_reg_and_bit,
4155 };
4156 
4157 static struct rockchip_pin_bank rk3588_pin_banks[] = {
4158 	RK3588_PIN_BANK_FLAGS(0, 32, "gpio0",
4159 			      IOMUX_WIDTH_4BIT, PULL_TYPE_IO_1V8_ONLY),
4160 	RK3588_PIN_BANK_FLAGS(1, 32, "gpio1",
4161 			      IOMUX_WIDTH_4BIT, PULL_TYPE_IO_1V8_ONLY),
4162 	RK3588_PIN_BANK_FLAGS(2, 32, "gpio2",
4163 			      IOMUX_WIDTH_4BIT, PULL_TYPE_IO_1V8_ONLY),
4164 	RK3588_PIN_BANK_FLAGS(3, 32, "gpio3",
4165 			      IOMUX_WIDTH_4BIT, PULL_TYPE_IO_1V8_ONLY),
4166 	RK3588_PIN_BANK_FLAGS(4, 32, "gpio4",
4167 			      IOMUX_WIDTH_4BIT, PULL_TYPE_IO_1V8_ONLY),
4168 };
4169 
4170 static struct rockchip_pin_ctrl rk3588_pin_ctrl = {
4171 	.pin_banks		= rk3588_pin_banks,
4172 	.nr_banks		= ARRAY_SIZE(rk3588_pin_banks),
4173 	.label			= "RK3588-GPIO",
4174 	.type			= RK3588,
4175 	.pull_calc_reg		= rk3588_calc_pull_reg_and_bit,
4176 	.drv_calc_reg		= rk3588_calc_drv_reg_and_bit,
4177 	.schmitt_calc_reg	= rk3588_calc_schmitt_reg_and_bit,
4178 };
4179 
4180 static const struct of_device_id rockchip_pinctrl_dt_match[] = {
4181 	{ .compatible = "rockchip,px30-pinctrl",
4182 		.data = &px30_pin_ctrl },
4183 	{ .compatible = "rockchip,rv1108-pinctrl",
4184 		.data = &rv1108_pin_ctrl },
4185 	{ .compatible = "rockchip,rv1126-pinctrl",
4186 		.data = &rv1126_pin_ctrl },
4187 	{ .compatible = "rockchip,rk2928-pinctrl",
4188 		.data = &rk2928_pin_ctrl },
4189 	{ .compatible = "rockchip,rk3036-pinctrl",
4190 		.data = &rk3036_pin_ctrl },
4191 	{ .compatible = "rockchip,rk3066a-pinctrl",
4192 		.data = &rk3066a_pin_ctrl },
4193 	{ .compatible = "rockchip,rk3066b-pinctrl",
4194 		.data = &rk3066b_pin_ctrl },
4195 	{ .compatible = "rockchip,rk3128-pinctrl",
4196 		.data = (void *)&rk3128_pin_ctrl },
4197 	{ .compatible = "rockchip,rk3188-pinctrl",
4198 		.data = &rk3188_pin_ctrl },
4199 	{ .compatible = "rockchip,rk3228-pinctrl",
4200 		.data = &rk3228_pin_ctrl },
4201 	{ .compatible = "rockchip,rk3288-pinctrl",
4202 		.data = &rk3288_pin_ctrl },
4203 	{ .compatible = "rockchip,rk3308-pinctrl",
4204 		.data = &rk3308_pin_ctrl },
4205 	{ .compatible = "rockchip,rk3328-pinctrl",
4206 		.data = &rk3328_pin_ctrl },
4207 	{ .compatible = "rockchip,rk3368-pinctrl",
4208 		.data = &rk3368_pin_ctrl },
4209 	{ .compatible = "rockchip,rk3399-pinctrl",
4210 		.data = &rk3399_pin_ctrl },
4211 	{ .compatible = "rockchip,rk3568-pinctrl",
4212 		.data = &rk3568_pin_ctrl },
4213 	{ .compatible = "rockchip,rk3576-pinctrl",
4214 		.data = &rk3576_pin_ctrl },
4215 	{ .compatible = "rockchip,rk3588-pinctrl",
4216 		.data = &rk3588_pin_ctrl },
4217 	{},
4218 };
4219 
4220 static struct platform_driver rockchip_pinctrl_driver = {
4221 	.probe		= rockchip_pinctrl_probe,
4222 	.remove_new	= rockchip_pinctrl_remove,
4223 	.driver = {
4224 		.name	= "rockchip-pinctrl",
4225 		.pm = &rockchip_pinctrl_dev_pm_ops,
4226 		.of_match_table = rockchip_pinctrl_dt_match,
4227 	},
4228 };
4229 
rockchip_pinctrl_drv_register(void)4230 static int __init rockchip_pinctrl_drv_register(void)
4231 {
4232 	return platform_driver_register(&rockchip_pinctrl_driver);
4233 }
4234 postcore_initcall(rockchip_pinctrl_drv_register);
4235 
rockchip_pinctrl_drv_unregister(void)4236 static void __exit rockchip_pinctrl_drv_unregister(void)
4237 {
4238 	platform_driver_unregister(&rockchip_pinctrl_driver);
4239 }
4240 module_exit(rockchip_pinctrl_drv_unregister);
4241 
4242 MODULE_DESCRIPTION("ROCKCHIP Pin Controller Driver");
4243 MODULE_LICENSE("GPL");
4244 MODULE_ALIAS("platform:pinctrl-rockchip");
4245 MODULE_DEVICE_TABLE(of, rockchip_pinctrl_dt_match);
4246