diff options
author | Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
commit | 02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1 (patch) | |
tree | 04ef573cd4de095c500c9fc3477f4278c0b36300 /include/asm-arm/arch-ixp4xx/gpio.h | |
parent | 7487a2245b8841c77ba9db406cf99a483b9334e9 (diff) | |
parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
download | op-kernel-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.zip op-kernel-dev-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.tar.gz |
Merge branch 'linux-2.6'
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/gpio.h')
-rw-r--r-- | include/asm-arm/arch-ixp4xx/gpio.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/gpio.h b/include/asm-arm/arch-ixp4xx/gpio.h new file mode 100644 index 0000000..3a4c5b8 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/gpio.h @@ -0,0 +1,73 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/gpio.h + * + * IXP4XX GPIO wrappers for arch-neutral GPIO calls + * + * Written by Milan Svoboda <msvoboda@ra.rockwell.com> + * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com> + * + * 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_IXP4XX_GPIO_H +#define __ASM_ARCH_IXP4XX_GPIO_H + +#include <asm/hardware.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) +{ + gpio_line_config(gpio, IXP4XX_GPIO_IN); + return 0; +} + +static inline int gpio_direction_output(unsigned gpio, int level) +{ + gpio_line_set(gpio, level); + gpio_line_config(gpio, IXP4XX_GPIO_OUT); + return 0; +} + +static inline int gpio_get_value(unsigned gpio) +{ + int value; + + gpio_line_get(gpio, &value); + + return value; +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + gpio_line_set(gpio, value); +} + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +extern int gpio_to_irq(int gpio); +extern int irq_to_gpio(int gpio); + +#endif + |