drivers/gpio/gpio-lp873x.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
4  *	Keerthy <j-keerthy@ti.com>
35 	return -EINVAL;  in lp873x_gpio_direction_input()
44 	return regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL,  in lp873x_gpio_direction_output()
54 	ret = regmap_read(gpio->lp873->regmap, LP873X_REG_GPO_CTRL, &val);  in lp873x_gpio_get()
66 	regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL,  in lp873x_gpio_set()
78 		/* No MUX Set up Needed for GPO */  in lp873x_gpio_request()
82 		ret = regmap_update_bits(gpio->lp873->regmap, LP873X_REG_CONFIG,  in lp873x_gpio_request()
89 		return -EINVAL;  in lp873x_gpio_request()
96 				  unsigned long config)  in lp873x_gpio_set_config()  argument
100 	switch (pinconf_to_config_param(config)) {  in lp873x_gpio_set_config()
102 		return regmap_update_bits(gpio->lp873->regmap,  in lp873x_gpio_set_config()
110 		return regmap_update_bits(gpio->lp873->regmap,  in lp873x_gpio_set_config()
115 		return -ENOTSUPP;  in lp873x_gpio_set_config()
120 	.label			= "lp873x-gpio",
129 	.base			= -1,
130 	.ngpio			= 2,
139 	gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);  in lp873x_gpio_probe()
141 		return -ENOMEM;  in lp873x_gpio_probe()
145 	gpio->lp873 = dev_get_drvdata(pdev->dev.parent);  in lp873x_gpio_probe()
146 	gpio->chip = template_chip;  in lp873x_gpio_probe()
147 	gpio->chip.parent = gpio->lp873->dev;  in lp873x_gpio_probe()
149 	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);  in lp873x_gpio_probe()
151 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);  in lp873x_gpio_probe()
159 	{ "lp873x-gpio", },
166 		.name = "lp873x-gpio",
173 MODULE_AUTHOR("Keerthy <j-keerthy@ti.com>");