From 5045f0c4dada84278362a62d9ce4187467487422 Mon Sep 17 00:00:00 2001 From: juhosg Date: Sun, 27 Mar 2011 19:19:57 +0000 Subject: ramips: move GPIO definitions into a separate header file git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26325 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../mips/include/asm/mach-ralink/ramips_gpio.h | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h (limited to 'target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h') diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h new file mode 100644 index 000000000..32fc7a740 --- /dev/null +++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h @@ -0,0 +1,48 @@ +/* + * Ralink SoC specific GPIO support + * + * Copyright (C) 2011 Gabor Juhos + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#ifndef _RAMIPS_GPIO_H +#define _RAMIPS_GPIO_H + +#include +#include + +enum ramips_gpio_reg { + RAMIPS_GPIO_REG_INT = 0, /* Interrupt status */ + RAMIPS_GPIO_REG_EDGE, + RAMIPS_GPIO_REG_RENA, + RAMIPS_GPIO_REG_FENA, + RAMIPS_GPIO_REG_DATA, + RAMIPS_GPIO_REG_DIR, /* Direction, 0:in, 1: out */ + RAMIPS_GPIO_REG_POL, /* Polarity, 0: normal, 1: invert */ + RAMIPS_GPIO_REG_SET, + RAMIPS_GPIO_REG_RESET, + RAMIPS_GPIO_REG_TOGGLE, + RAMIPS_GPIO_REG_MAX +}; + +struct ramips_gpio_chip { + struct gpio_chip chip; + unsigned long map_base; + unsigned long map_size; + u8 regs[RAMIPS_GPIO_REG_MAX]; + + spinlock_t lock; + void __iomem *regs_base; +}; + +struct ramips_gpio_data { + unsigned int num_chips; + struct ramips_gpio_chip *chips; +}; + +int ramips_gpio_init(struct ramips_gpio_data *data); + +#endif /* _RAMIPS_GPIO_H */ -- cgit v1.2.3