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| author | Thomas Chou <thomas@wytron.com.tw> | 2010-06-09 09:51:09 +0800 |
|---|---|---|
| committer | Scott McNutt <smcnutt@psyent.com> | 2010-07-12 11:30:51 -0400 |
| commit | 6db6c18b5074f959882bb199c850359ded54778f (patch) | |
| tree | 76d1b199252d3ba3eb83dd8cfe5d7fcbb2743410 /arch/nios2/include/asm | |
| parent | 06c5d30dc358a41efa3a27e1c7f602e7b3e8a6f5 (diff) | |
| download | u-boot-imx-6db6c18b5074f959882bb199c850359ded54778f.zip u-boot-imx-6db6c18b5074f959882bb199c850359ded54778f.tar.gz u-boot-imx-6db6c18b5074f959882bb199c850359ded54778f.tar.bz2 | |
nios2: add gpio_request
This will be used by nand_plat.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
Diffstat (limited to 'arch/nios2/include/asm')
| -rw-r--r-- | arch/nios2/include/asm/gpio.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/gpio.h b/arch/nios2/include/asm/gpio.h index 76c425e..cff1dd9 100644 --- a/arch/nios2/include/asm/gpio.h +++ b/arch/nios2/include/asm/gpio.h @@ -21,6 +21,11 @@ #ifdef CONFIG_SYS_GPIO_BASE #include <asm/io.h> +static inline int gpio_request(unsigned gpio, const char *label) +{ + return 0; +} + static inline int gpio_direction_input(unsigned gpio) { writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2)); @@ -43,6 +48,7 @@ static inline void gpio_set_value(unsigned gpio, int value) writel(value ? 3 : 2, CONFIG_SYS_GPIO_BASE + (gpio << 2)); } #else +extern int gpio_request(unsigned gpio, const char *label); extern int gpio_direction_input(unsigned gpio); extern int gpio_direction_output(unsigned gpio, int value); extern int gpio_get_value(unsigned gpio); |