diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2011-01-04 21:28:15 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-01-18 19:30:25 +0100 |
| commit | 6eae43c57ee92de91f6cc7c391cea97c43295da0 (patch) | |
| tree | 5ac5521d28527e6218faea0f31cc888df65dbc9f /arch/mips/include/asm/mach-ath79/gpio.h | |
| parent | d4a67d9dc8a5a80c4ec1814791af8c0252c158b8 (diff) | |
| download | lwn-6eae43c57ee92de91f6cc7c391cea97c43295da0.tar.gz lwn-6eae43c57ee92de91f6cc7c391cea97c43295da0.zip | |
MIPS: ath79: add GPIOLIB support
This patch implements generic GPIO routines for the built-in
GPIO controllers of the Atheros AR71XX/AR724X/AR913X SoCs.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: linux-mips@linux-mips.org
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1948/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mach-ath79/gpio.h')
| -rw-r--r-- | arch/mips/include/asm/mach-ath79/gpio.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ath79/gpio.h b/arch/mips/include/asm/mach-ath79/gpio.h new file mode 100644 index 000000000000..60dcb62785b4 --- /dev/null +++ b/arch/mips/include/asm/mach-ath79/gpio.h @@ -0,0 +1,26 @@ +/* + * Atheros AR71XX/AR724X/AR913X GPIO API definitions + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * 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 __ASM_MACH_ATH79_GPIO_H +#define __ASM_MACH_ATH79_GPIO_H + +#define ARCH_NR_GPIOS 64 +#include <asm-generic/gpio.h> + +int gpio_to_irq(unsigned gpio); +int irq_to_gpio(unsigned irq); +int gpio_get_value(unsigned gpio); +void gpio_set_value(unsigned gpio, int value); + +#define gpio_cansleep __gpio_cansleep + +#endif /* __ASM_MACH_ATH79_GPIO_H */ |