1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
4  *	Keerthy <j-keerthy@ti.com>
21 static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)  in lp87565_gpio_get()  argument
26 	ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);  in lp87565_gpio_get()
30 	return !!(val & BIT(offset));  in lp87565_gpio_get()
33 static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,  in lp87565_gpio_set()  argument
38 	regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,  in lp87565_gpio_set()
39 			   BIT(offset), value ? BIT(offset) : 0);  in lp87565_gpio_set()
43 				      unsigned int offset)  in lp87565_gpio_get_direction()  argument
48 	ret = regmap_read(gpio->map, LP87565_REG_GPIO_CONFIG, &val);  in lp87565_gpio_get_direction()
52 	if (val & BIT(offset))  in lp87565_gpio_get_direction()
59 					unsigned int offset)  in lp87565_gpio_direction_input()  argument
63 	return regmap_update_bits(gpio->map,  in lp87565_gpio_direction_input()
65 				  BIT(offset), 0);  in lp87565_gpio_direction_input()
69 					 unsigned int offset, int value)  in lp87565_gpio_direction_output()  argument
73 	lp87565_gpio_set(chip, offset, value);  in lp87565_gpio_direction_output()
75 	return regmap_update_bits(gpio->map,  in lp87565_gpio_direction_output()
77 				  BIT(offset), BIT(offset));  in lp87565_gpio_direction_output()
80 static int lp87565_gpio_request(struct gpio_chip *gc, unsigned int offset)  in lp87565_gpio_request()  argument
85 	switch (offset) {  in lp87565_gpio_request()
94 		ret = regmap_update_bits(gpio->map,  in lp87565_gpio_request()
96 					 BIT(offset), BIT(offset));  in lp87565_gpio_request()
102 		return -EINVAL;  in lp87565_gpio_request()
108 static int lp87565_gpio_set_config(struct gpio_chip *gc, unsigned int offset,  in lp87565_gpio_set_config()  argument
115 		return regmap_update_bits(gpio->map,  in lp87565_gpio_set_config()
117 					  BIT(offset +  in lp87565_gpio_set_config()
119 					  BIT(offset +  in lp87565_gpio_set_config()
122 		return regmap_update_bits(gpio->map,  in lp87565_gpio_set_config()
124 					  BIT(offset +  in lp87565_gpio_set_config()
127 		return -ENOTSUPP;  in lp87565_gpio_set_config()
132 	.label			= "lp87565-gpio",
141 	.base			= -1,
152 	gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);  in lp87565_gpio_probe()
154 		return -ENOMEM;  in lp87565_gpio_probe()
156 	lp87565 = dev_get_drvdata(pdev->dev.parent);  in lp87565_gpio_probe()
157 	gpio->chip = template_chip;  in lp87565_gpio_probe()
158 	gpio->chip.parent = lp87565->dev;  in lp87565_gpio_probe()
159 	gpio->map = lp87565->regmap;  in lp87565_gpio_probe()
161 	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);  in lp87565_gpio_probe()
163 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);  in lp87565_gpio_probe()
171 	{ "lp87565-q1-gpio", },
178 		.name = "lp87565-gpio",
185 MODULE_AUTHOR("Keerthy <j-keerthy@ti.com>");