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// SPDX-License-Identifier: GPL-2.0+/* * TI TPS6591x GPIO driver * * Copyright 2010 Texas Instruments Inc. * * Author: Graeme Gregory <gg@slimlogic.co.uk> * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk> */struct tps65910_gpio { struct gpio_chip gpio_chip; struct tps65910 *tps65910;};static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset){ struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; unsigned int val; tps65910_reg_read(tps65910, TPS65910_GPIO0 + offset, &val); if (val & GPIO_STS_MASK) return 1; return 0;}static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset, int value){ struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; if (value) tps65910_reg_set_bits(tps65910, TPS65910_GPIO0 + offset, GPIO_SET_MASK); else tps65910_reg_clear_bits(tps65910, TPS65910_GPIO0 + offset, GPIO_SET_MASK);}static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset, int value){ struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; /* Set the initial value */ tps65910_gpio_set(gc, offset, value); return tps65910_reg_set_bits(tps65910, TPS65910_GPIO0 + offset, GPIO_CFG_MASK);}static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset){ struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; return tps65910_reg_clear_bits(tps65910, TPS65910_GPIO0 + offset, GPIO_CFG_MASK);}static struct tps65910_board *tps65910_parse_dt_for_gpio(struct device *dev, struct tps65910 *tps65910, int chip_ngpio){ struct tps65910_board *tps65910_board = tps65910->of_plat_data; unsigned int prop_array[TPS6591X_MAX_NUM_GPIO]; int ngpio = min(chip_ngpio, TPS6591X_MAX_NUM_GPIO); int ret; int idx; tps65910_board->gpio_base = -1; ret = of_property_read_u32_array(tps65910->dev->of_node, "ti,en-gpio-sleep", prop_array, ngpio); if (ret < 0) { dev_dbg(dev, "ti,en-gpio-sleep not specified\n"); return tps65910_board; }