gpiolib-of.c (d5176cdbf64ce7d4eebf339205f17c23118e9f72) gpiolib-of.c (a99cc66807d6c854a7f65f962766c530c91be149)
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * OF helpers for the GPIO API
4 *
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
6 *
7 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
8 */

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887 return -EINVAL;
888
889 if (flags)
890 *flags = gpiospec->args[1];
891
892 return gpiospec->args[0];
893}
894
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * OF helpers for the GPIO API
4 *
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
6 *
7 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
8 */

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887 return -EINVAL;
888
889 if (flags)
890 *flags = gpiospec->args[1];
891
892 return gpiospec->args[0];
893}
894
895#if IS_ENABLED(CONFIG_OF_GPIO_MM_GPIOCHIP)
896#include <linux/gpio/legacy-of-mm-gpiochip.h>
895/**
896 * of_mm_gpiochip_add_data - Add memory mapped GPIO chip (bank)
897 * @np: device node of the GPIO chip
898 * @mm_gc: pointer to the of_mm_gpio_chip allocated structure
899 * @data: driver data to store in the struct gpio_chip
900 *
901 * To use this function you should allocate and fill mm_gc with:
902 *

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959{
960 struct gpio_chip *gc = &mm_gc->gc;
961
962 gpiochip_remove(gc);
963 iounmap(mm_gc->regs);
964 kfree(gc->label);
965}
966EXPORT_SYMBOL_GPL(of_mm_gpiochip_remove);
897/**
898 * of_mm_gpiochip_add_data - Add memory mapped GPIO chip (bank)
899 * @np: device node of the GPIO chip
900 * @mm_gc: pointer to the of_mm_gpio_chip allocated structure
901 * @data: driver data to store in the struct gpio_chip
902 *
903 * To use this function you should allocate and fill mm_gc with:
904 *

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961{
962 struct gpio_chip *gc = &mm_gc->gc;
963
964 gpiochip_remove(gc);
965 iounmap(mm_gc->regs);
966 kfree(gc->label);
967}
968EXPORT_SYMBOL_GPL(of_mm_gpiochip_remove);
969#endif
967
968#ifdef CONFIG_PINCTRL
969static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
970{
971 struct of_phandle_args pinspec;
972 struct pinctrl_dev *pctldev;
973 struct device_node *np;
974 int index = 0, ret;

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971#ifdef CONFIG_PINCTRL
972static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
973{
974 struct of_phandle_args pinspec;
975 struct pinctrl_dev *pctldev;
976 struct device_node *np;
977 int index = 0, ret;

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