1 // SPDX-License-Identifier: GPL-2.0
8  *	Antti Laakso <antti.laakso@intel.com>
9  *	Tianshu Qiu <tian.shu.qiu@intel.com>
10  *	Jian Xu Zheng <jian.xu.zheng@intel.com>
11  *	Yuning Pu <yuning.pu@intel.com>
29 static int tps68470_gpio_get(struct gpio_chip *gc, unsigned int offset)  in tps68470_gpio_get()  argument
32 	struct regmap *regmap = tps68470_gpio->tps68470_regmap;  in tps68470_gpio_get()
36 	if (offset >= TPS68470_N_REGULAR_GPIO) {  in tps68470_gpio_get()
37 		offset -= TPS68470_N_REGULAR_GPIO;  in tps68470_gpio_get()
43 		dev_err(tps68470_gpio->gc.parent, "reg 0x%x read failed\n",  in tps68470_gpio_get()
47 	return !!(val & BIT(offset));  in tps68470_gpio_get()
51 				       unsigned int offset)  in tps68470_gpio_get_direction()  argument
54 	struct regmap *regmap = tps68470_gpio->tps68470_regmap;  in tps68470_gpio_get_direction()
58 	if (offset >= TPS68470_N_REGULAR_GPIO)  in tps68470_gpio_get_direction()
61 	ret = regmap_read(regmap, TPS68470_GPIO_CTL_REG_A(offset), &val);  in tps68470_gpio_get_direction()
63 		dev_err(tps68470_gpio->gc.parent, "reg 0x%x read failed\n",  in tps68470_gpio_get_direction()
64 			TPS68470_GPIO_CTL_REG_A(offset));  in tps68470_gpio_get_direction()
73 static void tps68470_gpio_set(struct gpio_chip *gc, unsigned int offset,  in tps68470_gpio_set()  argument
77 	struct regmap *regmap = tps68470_gpio->tps68470_regmap;  in tps68470_gpio_set()
80 	if (offset >= TPS68470_N_REGULAR_GPIO) {  in tps68470_gpio_set()
82 		offset -= TPS68470_N_REGULAR_GPIO;  in tps68470_gpio_set()
85 	regmap_update_bits(regmap, reg, BIT(offset), value ? BIT(offset) : 0);  in tps68470_gpio_set()
88 static int tps68470_gpio_output(struct gpio_chip *gc, unsigned int offset,  in tps68470_gpio_output()  argument
92 	struct regmap *regmap = tps68470_gpio->tps68470_regmap;  in tps68470_gpio_output()
95 	tps68470_gpio_set(gc, offset, value);  in tps68470_gpio_output()
98 	if (offset >= TPS68470_N_REGULAR_GPIO)  in tps68470_gpio_output()
101 	return regmap_update_bits(regmap, TPS68470_GPIO_CTL_REG_A(offset),  in tps68470_gpio_output()
106 static int tps68470_gpio_input(struct gpio_chip *gc, unsigned int offset)  in tps68470_gpio_input()  argument
109 	struct regmap *regmap = tps68470_gpio->tps68470_regmap;  in tps68470_gpio_input()
112 	if (offset >= TPS68470_N_REGULAR_GPIO)  in tps68470_gpio_input()
113 		return -EINVAL;  in tps68470_gpio_input()
115 	return regmap_update_bits(regmap, TPS68470_GPIO_CTL_REG_A(offset),  in tps68470_gpio_input()
129 	tps68470_gpio = devm_kzalloc(&pdev->dev, sizeof(*tps68470_gpio),  in tps68470_gpio_probe()
132 		return -ENOMEM;  in tps68470_gpio_probe()
134 	tps68470_gpio->tps68470_regmap = dev_get_drvdata(pdev->dev.parent);  in tps68470_gpio_probe()
135 	tps68470_gpio->gc.label = "tps68470-gpio";  in tps68470_gpio_probe()
136 	tps68470_gpio->gc.owner = THIS_MODULE;  in tps68470_gpio_probe()
137 	tps68470_gpio->gc.direction_input = tps68470_gpio_input;  in tps68470_gpio_probe()
138 	tps68470_gpio->gc.direction_output = tps68470_gpio_output;  in tps68470_gpio_probe()
139 	tps68470_gpio->gc.get = tps68470_gpio_get;  in tps68470_gpio_probe()
140 	tps68470_gpio->gc.get_direction = tps68470_gpio_get_direction;  in tps68470_gpio_probe()
141 	tps68470_gpio->gc.set = tps68470_gpio_set;  in tps68470_gpio_probe()
142 	tps68470_gpio->gc.can_sleep = true;  in tps68470_gpio_probe()
143 	tps68470_gpio->gc.names = tps68470_names;  in tps68470_gpio_probe()
144 	tps68470_gpio->gc.ngpio = TPS68470_N_GPIO;  in tps68470_gpio_probe()
145 	tps68470_gpio->gc.base = -1;  in tps68470_gpio_probe()
146 	tps68470_gpio->gc.parent = &pdev->dev;  in tps68470_gpio_probe()
148 	return devm_gpiochip_add_data(&pdev->dev, &tps68470_gpio->gc, tps68470_gpio);  in tps68470_gpio_probe()
153 		   .name = "tps68470-gpio",
159 MODULE_ALIAS("platform:tps68470-gpio");