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