1/* 2 * Loongson GPIO Support 3 * 4 * Copyright (c) 2008 Richard Liu, STMicroelectronics <richard.liu@st.com> 5 * Copyright (c) 2008-2010 Arnaud Patard <apatard@mandriva.com> 6 * Copyright (c) 2014 Huacai Chen <chenhc@lemote.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14#ifndef __LOONGSON_GPIO_H 15#define __LOONGSON_GPIO_H 16 17#include <asm-generic/gpio.h> 18 19#define gpio_get_value __gpio_get_value 20#define gpio_set_value __gpio_set_value 21#define gpio_cansleep __gpio_cansleep 22 23/* The chip can do interrupt 24 * but it has not been tested and doc not clear 25 */ 26static inline int gpio_to_irq(int gpio) 27{ 28 return -EINVAL; 29} 30 31static inline int irq_to_gpio(int gpio) 32{ 33 return -EINVAL; 34} 35 36#endif /* __LOONGSON_GPIO_H */ 37