diff options
author | Michael Hennerich <michael.hennerich@analog.com> | 2007-07-01 23:45:50 -0400 |
---|---|---|
committer | Bryan Wu <bryan.wu@analog.com> | 2007-07-01 23:45:50 -0400 |
commit | cefe658bca9cf1d4af841c45d170ebd0f881889e (patch) | |
tree | bddd2bc1f4467ca550d386fdc888baf78be64fcf /arch/blackfin/mach-bf548/gpio.c | |
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>
Diffstat (limited to 'arch/blackfin/mach-bf548/gpio.c')
-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) | |||
52 | { | 52 | { |
53 | if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15 \ | 53 | if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15 \ |
54 | || gpio == GPIO_PH14 || gpio == GPIO_PH15 \ | 54 | || gpio == GPIO_PH14 || gpio == GPIO_PH15 \ |
55 | || gpio == GPIO_PJ14 || gpio == GPIO_PJ15 \ | ||
55 | || gpio > MAX_BLACKFIN_GPIOS) | 56 | || gpio > MAX_BLACKFIN_GPIOS) |
56 | return -EINVAL; | 57 | return -EINVAL; |
57 | return 0; | 58 | return 0; |
@@ -173,3 +174,19 @@ void gpio_direction_output(unsigned short gpio) | |||
173 | local_irq_restore(flags); | 174 | local_irq_restore(flags); |
174 | } | 175 | } |
175 | EXPORT_SYMBOL(gpio_direction_output); | 176 | EXPORT_SYMBOL(gpio_direction_output); |
177 | |||
178 | void gpio_set_value(unsigned short gpio, unsigned short arg) | ||
179 | { | ||
180 | if (arg) | ||
181 | gpio_array[gpio_bank(gpio)]->port_set = gpio_bit(gpio); | ||
182 | else | ||
183 | gpio_array[gpio_bank(gpio)]->port_clear = gpio_bit(gpio); | ||
184 | |||
185 | } | ||
186 | EXPORT_SYMBOL(gpio_set_value); | ||
187 | |||
188 | unsigned short gpio_get_value(unsigned short gpio) | ||
189 | { | ||
190 | return (1 & (gpio_array[gpio_bank(gpio)]->port_data >> gpio_sub_n(gpio))); | ||
191 | } | ||
192 | EXPORT_SYMBOL(gpio_get_value); | ||