diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2007-07-02 11:45:50 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2007-07-02 11:45:50 +0800 |
| commit | cefe658bca9cf1d4af841c45d170ebd0f881889e (patch) | |
| tree | bddd2bc1f4467ca550d386fdc888baf78be64fcf | |
| parent | e3f2300036b5e0f60cb64063a9686361b6be8555 (diff) | |
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>
| -rw-r--r-- | arch/blackfin/mach-bf548/gpio.c | 17 | ||||
| -rw-r--r-- | include/asm-blackfin/gpio.h | 4 | ||||
| -rw-r--r-- | include/asm-blackfin/mach-bf548/gpio.h | 4 |
3 files changed, 22 insertions, 3 deletions
diff --git a/arch/blackfin/mach-bf548/gpio.c b/arch/blackfin/mach-bf548/gpio.c index fac7cf3d679..9b1a00aabf2 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); diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h index bc0cca02850..e679703f7ae 100644 --- a/include/asm-blackfin/gpio.h +++ b/include/asm-blackfin/gpio.h @@ -234,6 +234,7 @@ * MODIFICATION HISTORY : **************************************************************/ +#ifndef BF548_FAMILY void set_gpio_dir(unsigned short, unsigned short); void set_gpio_inen(unsigned short, unsigned short); void set_gpio_polar(unsigned short, unsigned short); @@ -268,7 +269,6 @@ unsigned short get_gpiop_maska(unsigned short); unsigned short get_gpiop_maskb(unsigned short); unsigned short get_gpiop_data(unsigned short); -#ifndef BF548_FAMILY struct gpio_port_t { unsigned short data; unsigned short dummy1; @@ -363,8 +363,10 @@ void gpio_free(unsigned short); void gpio_set_value(unsigned short gpio, unsigned short arg); unsigned short gpio_get_value(unsigned short gpio); +#ifndef BF548_FAMILY #define gpio_get_value(gpio) get_gpio_data(gpio) #define gpio_set_value(gpio, value) set_gpio_data(gpio, value) +#endif void gpio_direction_input(unsigned short gpio); void gpio_direction_output(unsigned short gpio); diff --git a/include/asm-blackfin/mach-bf548/gpio.h b/include/asm-blackfin/mach-bf548/gpio.h index 45289425ce5..8c5847a6680 100644 --- a/include/asm-blackfin/mach-bf548/gpio.h +++ b/include/asm-blackfin/mach-bf548/gpio.h @@ -187,8 +187,8 @@ #define GPIO_PJ11 155 #define GPIO_PJ12 156 #define GPIO_PJ13 157 -#define GPIO_PJ14 158 -#define GPIO_PJ15 159 +#define GPIO_PJ14 158 /* N/A */ +#define GPIO_PJ15 159 /* N/A */ #define MAX_BLACKFIN_GPIOS 160 |