diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2007-07-02 07:45:50 +0400 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2007-07-02 07:45:50 +0400 |
| commit | cefe658bca9cf1d4af841c45d170ebd0f881889e (patch) | |
| tree | bddd2bc1f4467ca550d386fdc888baf78be64fcf /arch/blackfin/mach-bf548 | |
| parent | e3f2300036b5e0f60cb64063a9686361b6be8555 (diff) | |
| download | linux-cefe658bca9cf1d4af841c45d170ebd0f881889e.tar.xz | |
Blackfin arch: add BF54x missing GPIO access functions
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/mach-bf548')
| -rw-r--r-- | arch/blackfin/mach-bf548/gpio.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf548/gpio.c b/arch/blackfin/mach-bf548/gpio.c index fac7cf3d6791..9b1a00aabf28 100644 --- a/arch/blackfin/mach-bf548/gpio.c +++ b/arch/blackfin/mach-bf548/gpio.c @@ -52,6 +52,7 @@ inline int check_gpio(unsigned short gpio) { if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15 \ || gpio == GPIO_PH14 || gpio == GPIO_PH15 \ + || gpio == GPIO_PJ14 || gpio == GPIO_PJ15 \ || gpio > MAX_BLACKFIN_GPIOS) return -EINVAL; return 0; @@ -173,3 +174,19 @@ void gpio_direction_output(unsigned short gpio) local_irq_restore(flags); } EXPORT_SYMBOL(gpio_direction_output); + +void gpio_set_value(unsigned short gpio, unsigned short arg) +{ + if (arg) + gpio_array[gpio_bank(gpio)]->port_set = gpio_bit(gpio); + else + gpio_array[gpio_bank(gpio)]->port_clear = gpio_bit(gpio); + +} +EXPORT_SYMBOL(gpio_set_value); + +unsigned short gpio_get_value(unsigned short gpio) +{ + return (1 & (gpio_array[gpio_bank(gpio)]->port_data >> gpio_sub_n(gpio))); +} +EXPORT_SYMBOL(gpio_get_value); |