1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (c) 2021 BayLibre SAS
4  * Author: Neil Armstrong <narmstrong@baylibre.com>
5  */
6 
7 #include "meson-sm1.dtsi"
8 #include <dt-bindings/leds/common.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/gpio/meson-g12a-gpio.h>
11 
12 / {
13 	adc-keys {
14 		compatible = "adc-keys";
15 		io-channels = <&saradc 2>;
16 		io-channel-names = "buttons";
17 		keyup-threshold-microvolt = <1800000>;
18 
19 		button-sw3 {
20 			label = "SW3";
21 			linux,code = <BTN_3>;
22 			press-threshold-microvolt = <1700000>;
23 		};
24 	};
25 
26 	aliases {
27 		serial0 = &uart_AO;
28 		ethernet0 = &ethmac;
29 	};
30 
31 	chosen {
32 		stdout-path = "serial0:115200n8";
33 	};
34 
35 	emmc_pwrseq: emmc-pwrseq {
36 		compatible = "mmc-pwrseq-emmc";
37 		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
38 	};
39 
40 	gpio-keys {
41 		compatible = "gpio-keys";
42 
43 		key {
44 			label = "SW1";
45 			linux,code = <BTN_1>;
46 			gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
47 			interrupt-parent = <&gpio_intc>;
48 			interrupts = <IRQID_GPIOAO_3 IRQ_TYPE_EDGE_BOTH>;
49 		};
50 	};
51 
52 	hdmi-connector {
53 		compatible = "hdmi-connector";
54 		type = "a";
55 
56 		port {
57 			hdmi_connector_in: endpoint {
58 				remote-endpoint = <&hdmi_tx_tmds_out>;
59 			};
60 		};
61 	};
62 
63 	leds {
64 		compatible = "gpio-leds";
65 
66 		led-green {
67 			color = <LED_COLOR_ID_GREEN>;
68 			function = LED_FUNCTION_STATUS;
69 			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
70 		};
71 
72 		led-blue {
73 			color = <LED_COLOR_ID_BLUE>;
74 			function = LED_FUNCTION_STATUS;
75 			gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_LOW>;
76 			linux,default-trigger = "heartbeat";
77 		};
78 	};
79 
80 	memory@0 {
81 		device_type = "memory";
82 		reg = <0x0 0x0 0x0 0x40000000>;
83 	};
84 
85 	emmc_1v8: regulator-emmc-1v8 {
86 		compatible = "regulator-fixed";
87 		regulator-name = "EMMC_1V8";
88 		regulator-min-microvolt = <1800000>;
89 		regulator-max-microvolt = <1800000>;
90 		vin-supply = <&vddao_3v3>;
91 		regulator-always-on;
92 	};
93 
94 	dc_in: regulator-dc-in {
95 		compatible = "regulator-fixed";
96 		regulator-name = "DC_IN";
97 		regulator-min-microvolt = <5000000>;
98 		regulator-max-microvolt = <5000000>;
99 		regulator-always-on;
100 	};
101 
102 	vddio_c: regulator-vddio-c {
103 		compatible = "regulator-gpio";
104 		regulator-name = "VDDIO_C";
105 		regulator-min-microvolt = <1800000>;
106 		regulator-max-microvolt = <3300000>;
107 
108 		enable-gpios = <&gpio_ao GPIOE_2 GPIO_OPEN_DRAIN>;
109 		enable-active-high;
110 		regulator-always-on;
111 
112 		gpios = <&gpio_ao GPIOAO_6 GPIO_OPEN_DRAIN>;
113 		gpios-states = <1>;
114 
115 		states = <1800000 0>,
116 			 <3300000 1>;
117 	};
118 
119 	tflash_vdd: regulator-tflash-vdd {
120 		compatible = "regulator-fixed";
121 		regulator-name = "TFLASH_VDD";
122 		regulator-min-microvolt = <3300000>;
123 		regulator-max-microvolt = <3300000>;
124 		vin-supply = <&dc_in>;
125 		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
126 		enable-active-high;
127 		regulator-always-on;
128 	};
129 
130 	vddao_1v8: regulator-vddao-1v8 {
131 		compatible = "regulator-fixed";
132 		regulator-name = "VDDAO_1V8";
133 		regulator-min-microvolt = <1800000>;
134 		regulator-max-microvolt = <1800000>;
135 		vin-supply = <&vddao_3v3>;
136 		regulator-always-on;
137 	};
138 
139 	vddao_3v3: regulator-vddao-3v3 {
140 		compatible = "regulator-fixed";
141 		regulator-name = "VDDAO_3V3";
142 		regulator-min-microvolt = <3300000>;
143 		regulator-max-microvolt = <3300000>;
144 		vin-supply = <&dc_in>;
145 		regulator-always-on;
146 	};
147 
148 	vddcpu: regulator-vddcpu {
149 		/*
150 		 * SY8120B1ABC DC/DC Regulator.
151 		 */
152 		compatible = "pwm-regulator";
153 
154 		regulator-name = "VDDCPU";
155 		regulator-min-microvolt = <690000>;
156 		regulator-max-microvolt = <1050000>;
157 
158 		pwm-supply = <&dc_in>;
159 
160 		pwms = <&pwm_AO_cd 1 1250 0>;
161 		pwm-dutycycle-range = <100 0>;
162 
163 		regulator-boot-on;
164 		regulator-always-on;
165 	};
166 
167 	/* USB Hub Power Enable */
168 	vl_pwr_en: regulator-vl-pwr-en {
169 		compatible = "regulator-fixed";
170 		regulator-name = "VL_PWR_EN";
171 		regulator-min-microvolt = <5000000>;
172 		regulator-max-microvolt = <5000000>;
173 		vin-supply = <&dc_in>;
174 
175 		gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
176 		enable-active-high;
177 	};
178 };
179 
180 &arb {
181 	status = "okay";
182 };
183 
184 &cpu0 {
185 	cpu-supply = <&vddcpu>;
186 	operating-points-v2 = <&cpu_opp_table>;
187 	clocks = <&clkc CLKID_CPU_CLK>;
188 	clock-latency = <50000>;
189 };
190 
191 &cpu1 {
192 	cpu-supply = <&vddcpu>;
193 	operating-points-v2 = <&cpu_opp_table>;
194 	clocks = <&clkc CLKID_CPU1_CLK>;
195 	clock-latency = <50000>;
196 };
197 
198 &cpu2 {
199 	cpu-supply = <&vddcpu>;
200 	operating-points-v2 = <&cpu_opp_table>;
201 	clocks = <&clkc CLKID_CPU2_CLK>;
202 	clock-latency = <50000>;
203 };
204 
205 &cpu3 {
206 	cpu-supply = <&vddcpu>;
207 	operating-points-v2 = <&cpu_opp_table>;
208 	clocks = <&clkc CLKID_CPU3_CLK>;
209 	clock-latency = <50000>;
210 };
211 
212 &ext_mdio {
213 	external_phy: ethernet-phy@0 {
214 		/* Realtek RTL8211F (0x001cc916) */
215 		reg = <0>;
216 		max-speed = <1000>;
217 
218 		interrupt-parent = <&gpio_intc>;
219 		/* MAC_INTR on GPIOZ_14 */
220 		interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
221 	};
222 };
223 
224 &ethmac {
225 	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
226 	pinctrl-names = "default";
227 	status = "okay";
228 	phy-mode = "rgmii-txid";
229 	phy-handle = <&external_phy>;
230 };
231 
232 &gpio {
233 	gpio-line-names =
234 		/* GPIOZ */
235 		"ETH_MDIO", /* GPIOZ_0 */
236 		"ETH_MDC", /* GPIOZ_1 */
237 		"ETH_RXCLK", /* GPIOZ_2 */
238 		"ETH_RX_DV", /* GPIOZ_3 */
239 		"ETH_RXD0", /* GPIOZ_4 */
240 		"ETH_RXD1", /* GPIOZ_5 */
241 		"ETH_RXD2", /* GPIOZ_6 */
242 		"ETH_RXD3", /* GPIOZ_7 */
243 		"ETH_TXCLK", /* GPIOZ_8 */
244 		"ETH_TXEN", /* GPIOZ_9 */
245 		"ETH_TXD0", /* GPIOZ_10 */
246 		"ETH_TXD1", /* GPIOZ_11 */
247 		"ETH_TXD2", /* GPIOZ_12 */
248 		"ETH_TXD3", /* GPIOZ_13 */
249 		"ETH_INTR", /* GPIOZ_14 */
250 		"ETH_NRST", /* GPIOZ_15 */
251 		/* GPIOH */
252 		"HDMI_SDA", /* GPIOH_0 */
253 		"HDMI_SCL", /* GPIOH_1 */
254 		"HDMI_HPD", /* GPIOH_2 */
255 		"HDMI_CEC", /* GPIOH_3 */
256 		"VL-RST_N", /* GPIOH_4 */
257 		"CON1-P36", /* GPIOH_5 */
258 		"VL-PWREN", /* GPIOH_6 */
259 		"WiFi_3V3_1V8", /* GPIOH_7 */
260 		"TFLASH_VDD_EN", /* GPIOH_8 */
261 		/* BOOT */
262 		"eMMC_D0", /* BOOT_0 */
263 		"eMMC_D1", /* BOOT_1 */
264 		"eMMC_D2", /* BOOT_2 */
265 		"eMMC_D3", /* BOOT_3 */
266 		"eMMC_D4", /* BOOT_4 */
267 		"eMMC_D5", /* BOOT_5 */
268 		"eMMC_D6", /* BOOT_6 */
269 		"eMMC_D7", /* BOOT_7 */
270 		"eMMC_CLK", /* BOOT_8 */
271 		"",
272 		"eMMC_CMD", /* BOOT_10 */
273 		"",
274 		"eMMC_RST#", /* BOOT_12 */
275 		"eMMC_DS", /* BOOT_13 */
276 		"", "",
277 		/* GPIOC */
278 		"SD_D0_B", /* GPIOC_0 */
279 		"SD_D1_B", /* GPIOC_1 */
280 		"SD_D2_B", /* GPIOC_2 */
281 		"SD_D3_B", /* GPIOC_3 */
282 		"SD_CLK_B", /* GPIOC_4 */
283 		"SD_CMD_B", /* GPIOC_5 */
284 		"CARD_EN_DET", /* GPIOC_6 */
285 		"",
286 		/* GPIOA */
287 		"", "", "", "", "", "", "", "",
288 		"", "", "", "", "", "",
289 		"CON1-P27", /* GPIOA_14 */
290 		"CON1-P28", /* GPIOA_15 */
291 		/* GPIOX */
292 		"CON1-P16", /* GPIOX_0 */
293 		"CON1-P18", /* GPIOX_1 */
294 		"CON1-P22", /* GPIOX_2 */
295 		"CON1-P11", /* GPIOX_3 */
296 		"CON1-P13", /* GPIOX_4 */
297 		"CON1-P07", /* GPIOX_5 */
298 		"CON1-P33", /* GPIOX_6 */
299 		"CON1-P15", /* GPIOX_7 */
300 		"CON1-P19", /* GPIOX_8 */
301 		"CON1-P21", /* GPIOX_9 */
302 		"CON1-P24", /* GPIOX_10 */
303 		"CON1-P23", /* GPIOX_11 */
304 		"CON1-P08", /* GPIOX_12 */
305 		"CON1-P10", /* GPIOX_13 */
306 		"CON1-P29", /* GPIOX_14 */
307 		"CON1-P31", /* GPIOX_15 */
308 		"CON1-P26", /* GPIOX_16 */
309 		"CON1-P03", /* GPIOX_17 */
310 		"CON1-P05", /* GPIOX_18 */
311 		"CON1-P32"; /* GPIOX_19 */
312 
313 	/*
314 	 * WARNING: The USB Hub needs a reset signal to be turned high in
315 	 * order to be detected by the USB Controller. This signal should
316 	 * be handled by a USB specific power sequence to reset the Hub
317 	 * when the USB bus is powered down.
318 	 */
319 	usb-hub-hog {
320 		gpio-hog;
321 		gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
322 		output-high;
323 		line-name = "usb-hub-reset";
324 	};
325 };
326 
327 &gpio_ao {
328 	gpio-line-names =
329 		/* GPIOAO */
330 		"DEBUG TX", /* GPIOAO_0 */
331 		"DEBUG RX", /* GPIOAO_1 */
332 		"SYS_LED2", /* GPIOAO_2 */
333 		"UPDATE_KEY", /* GPIOAO_3 */
334 		"CON1-P40", /* GPIOAO_4 */
335 		"IR_IN", /* GPIOAO_5 */
336 		"TF_3V3N_1V8_EN", /* GPIOAO_6 */
337 		"CON1-P35", /* GPIOAO_7 */
338 		"CON1-P12", /* GPIOAO_8 */
339 		"CON1-P37", /* GPIOAO_9 */
340 		"CON1-P38", /* GPIOAO_10 */
341 		"SYS_LED", /* GPIOAO_11 */
342 		/* GPIOE */
343 		"VDDEE_PWM", /* GPIOE_0 */
344 		"VDDCPU_PWM", /* GPIOE_1 */
345 		"TF_PWR_EN"; /* GPIOE_2 */
346 };
347 
348 &hdmi_tx {
349 	status = "okay";
350 	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
351 	pinctrl-names = "default";
352 	hdmi-supply = <&dc_in>;
353 };
354 
355 &hdmi_tx_tmds_port {
356 	hdmi_tx_tmds_out: endpoint {
357 		remote-endpoint = <&hdmi_connector_in>;
358 	};
359 };
360 
361 &ir {
362 	status = "okay";
363 	pinctrl-0 = <&remote_input_ao_pins>;
364 	pinctrl-names = "default";
365 };
366 
367 &pwm_AO_cd {
368 	pinctrl-0 = <&pwm_ao_d_e_pins>;
369 	pinctrl-names = "default";
370 	clocks = <&xtal>;
371 	clock-names = "clkin1";
372 	status = "okay";
373 };
374 
375 &saradc {
376 	status = "okay";
377 	vref-supply = <&vddao_1v8>;
378 };
379 
380 /* SD card */
381 &sd_emmc_b {
382 	status = "okay";
383 	pinctrl-0 = <&sdcard_c_pins>;
384 	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
385 	pinctrl-names = "default", "clk-gate";
386 
387 	bus-width = <4>;
388 	cap-sd-highspeed;
389 	max-frequency = <50000000>;
390 	disable-wp;
391 
392 	/* TOFIX: SD card is barely usable in SDR modes */
393 
394 	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
395 	vmmc-supply = <&tflash_vdd>;
396 	vqmmc-supply = <&vddio_c>;
397 };
398 
399 /* eMMC */
400 &sd_emmc_c {
401 	status = "okay";
402 	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
403 	pinctrl-1 = <&emmc_clk_gate_pins>;
404 	pinctrl-names = "default", "clk-gate";
405 
406 	bus-width = <8>;
407 	cap-mmc-highspeed;
408 	mmc-ddr-1_8v;
409 	mmc-hs200-1_8v;
410 	max-frequency = <200000000>;
411 	disable-wp;
412 
413 	mmc-pwrseq = <&emmc_pwrseq>;
414 	vmmc-supply = <&vddao_3v3>;
415 	vqmmc-supply = <&emmc_1v8>;
416 };
417 
418 &uart_AO {
419 	status = "okay";
420 	pinctrl-0 = <&uart_ao_a_pins>;
421 	pinctrl-names = "default";
422 };
423 
424 &usb {
425 	status = "okay";
426 };
427 
428 &usb2_phy0 {
429 	phy-supply = <&dc_in>;
430 };
431 
432 &usb2_phy1 {
433 	/* Enable the hub which is connected to this port */
434 	phy-supply = <&vl_pwr_en>;
435 };
436