| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * OF helpers for the old of_mm_gpio_chip, used on ppc32 and nios2, |
| * do not use in new code. |
| * |
| * Copyright (c) 2007-2008 MontaVista Software, Inc. |
| * |
| * Author: Anton Vorontsov <[email protected]> |
| */ |
| |
| #ifndef __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H |
| #define __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H |
| |
| #include <linux/gpio/driver.h> |
| #include <linux/of.h> |
| |
| /* |
| * OF GPIO chip for memory mapped banks |
| */ |
| struct of_mm_gpio_chip { |
| struct gpio_chip gc; |
| void (*save_regs)(struct of_mm_gpio_chip *mm_gc); |
| void __iomem *regs; |
| }; |
| |
| static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) |
| { |
| return container_of(gc, struct of_mm_gpio_chip, gc); |
| } |
| |
| extern int of_mm_gpiochip_add_data(struct device_node *np, |
| struct of_mm_gpio_chip *mm_gc, |
| void *data); |
| extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc); |
| |
| #endif /* __LINUX_GPIO_LEGACY_OF_MM_GPIO_CHIP_H */ |
