drivers/pinctrl/pinctrl-loongson2.c

1 // SPDX-License-Identifier: GPL-2.0+
5  * Copyright (C) 2022-2023 Loongson Technology Corporation Limited
13 #include <linux/pinctrl/pinconf-generic.h>
20 #include "pinctrl-utils.h"
63 #define LOONGSON2_PIN(x) PINCTRL_PIN(x, "gpio"#x)
108 	PMX_GROUP(gpio, 0x0, 64),
150 	FUNCTION(gpio),
189 	seq_printf(s, " %s", dev_name(pcdev->dev));  in loongson2_pin_dbg_show()
205 	void __iomem *reg = pctrl->reg_base +  in loongson2_pmx_set_mux()
211 	spin_lock_irqsave(&pctrl->lock, flags);  in loongson2_pmx_set_mux()
218 	spin_unlock_irqrestore(&pctrl->lock, flags);  in loongson2_pmx_set_mux()
254 	struct device *dev = &pdev->dev;  in loongson2_pinctrl_probe()
259 		return -ENOMEM;  in loongson2_pinctrl_probe()
261 	pctrl->reg_base = devm_platform_ioremap_resource(pdev, 0);  in loongson2_pinctrl_probe()
262 	if (IS_ERR(pctrl->reg_base))  in loongson2_pinctrl_probe()
263 		return PTR_ERR(pctrl->reg_base);  in loongson2_pinctrl_probe()
265 	spin_lock_init(&pctrl->lock);  in loongson2_pinctrl_probe()
267 	pctrl->dev = dev;  in loongson2_pinctrl_probe()
268 	pctrl->desc.name	= "pinctrl-loongson2";  in loongson2_pinctrl_probe()
269 	pctrl->desc.owner	= THIS_MODULE;  in loongson2_pinctrl_probe()
270 	pctrl->desc.pctlops	= &loongson2_pctrl_ops;  in loongson2_pinctrl_probe()
271 	pctrl->desc.pmxops	= &loongson2_pmx_ops;  in loongson2_pinctrl_probe()
272 	pctrl->desc.pins	= loongson2_pctrl_pins;  in loongson2_pinctrl_probe()
273 	pctrl->desc.npins	= ARRAY_SIZE(loongson2_pctrl_pins);  in loongson2_pinctrl_probe()
275 	pctrl->pcdev = devm_pinctrl_register(pctrl->dev, &pctrl->desc, pctrl);  in loongson2_pinctrl_probe()
276 	if (IS_ERR(pctrl->pcdev))  in loongson2_pinctrl_probe()
277 		return dev_err_probe(pctrl->dev, PTR_ERR(pctrl->pcdev),  in loongson2_pinctrl_probe()
285 		.compatible = "loongson,ls2k-pinctrl",
294 		.name	= "loongson2-pinctrl",