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authorBen Dooks <ben-linux@fluff.org>2008-07-03 11:24:25 +0100
committerBen Dooks <ben-linux@fluff.org>2008-07-03 16:51:23 +0100
commitf348a2a2817e9d24b1edd4befc9659ec83501ca5 (patch)
tree99eb68575f9ca61c1de21502db2c41bbf2716609 /include/asm-arm
parented9137f10377a59487cf43c76dd0d3bbf489d799 (diff)
[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.h74
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 7583895fd33..18e10d2c35e 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>