diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-07-03 14:24:25 +0400 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-07-03 19:51:23 +0400 |
| commit | f348a2a2817e9d24b1edd4befc9659ec83501ca5 (patch) | |
| tree | 99eb68575f9ca61c1de21502db2c41bbf2716609 /include/asm-arm | |
| parent | ed9137f10377a59487cf43c76dd0d3bbf489d799 (diff) | |
| download | linux-f348a2a2817e9d24b1edd4befc9659ec83501ca5.tar.xz | |
[ARM] S3C24XX: Add gpiolib support
Add support for gpilib on all S3C24XX platforms.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/gpio.h | 74 |
1 files changed, 12 insertions, 62 deletions
diff --git a/include/asm-arm/arch-s3c2410/gpio.h b/include/asm-arm/arch-s3c2410/gpio.h index 7583895fd336..18e10d2c35ea 100644 --- a/include/asm-arm/arch-s3c2410/gpio.h +++ b/include/asm-arm/arch-s3c2410/gpio.h @@ -1,68 +1,18 @@ -/* - * linux/include/asm-arm/arch-s3c2410/gpio.h +/* linux/include/asm-arm/arch-s3c2410/gpio.h * - * S3C2410 GPIO wrappers for arch-neutral GPIO calls + * Copyright (c) 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> * - * Written by Philipp Zabel <philipp.zabel@gmail.com> + * S3C2410 - GPIO lib support * * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_S3C2410_GPIO_H -#define __ASM_ARCH_S3C2410_GPIO_H - -#include <asm/irq.h> -#include <asm/hardware.h> -#include <asm/arch/regs-gpio.h> - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} - -static inline void gpio_free(unsigned gpio) -{ - return; -} - -static inline int gpio_direction_input(unsigned gpio) -{ - s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_INPUT); - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT); - /* REVISIT can we write the value first, to avoid glitching? */ - s3c2410_gpio_setpin(gpio, value); - return 0; -} - -#define gpio_get_value(gpio) s3c2410_gpio_getpin(gpio) -#define gpio_set_value(gpio,value) s3c2410_gpio_setpin(gpio, value) - -#include <asm-generic/gpio.h> /* cansleep wrappers */ - -#ifdef CONFIG_CPU_S3C2400 -#define gpio_to_irq(gpio) s3c2400_gpio_getirq(gpio) -#else -#define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio) -#endif + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ -/* FIXME implement irq_to_gpio() */ +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep -#endif +#include <asm-generic/gpio.h> |