1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * OF helpers for the old of_mm_gpio_chip, used on ppc32 and nios2, 4 * do not use in new code. 5 * 6 * Copyright (c) 2007-2008 MontaVista Software, Inc. 7 * 8 * Author: Anton Vorontsov <avorontsov@ru.mvista.com> 9 */ 10 11#ifndef __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H 12#define __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H 13 14#include <linux/gpio/driver.h> 15#include <linux/of.h> 16 17/* 18 * OF GPIO chip for memory mapped banks 19 */ 20struct of_mm_gpio_chip { 21 struct gpio_chip gc; 22 void (*save_regs)(struct of_mm_gpio_chip *mm_gc); 23 void __iomem *regs; 24}; 25 26static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) 27{ 28 return container_of(gc, struct of_mm_gpio_chip, gc); 29} 30 31extern int of_mm_gpiochip_add_data(struct device_node *np, 32 struct of_mm_gpio_chip *mm_gc, 33 void *data); 34extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc); 35 36#endif /* __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H */ 37