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authorMichael Hennerich <michael.hennerich@analog.com>2007-07-02 11:45:50 +0800
committerBryan Wu <bryan.wu@analog.com>2007-07-02 11:45:50 +0800
commitcefe658bca9cf1d4af841c45d170ebd0f881889e (patch)
treebddd2bc1f4467ca550d386fdc888baf78be64fcf /arch/blackfin
parente3f2300036b5e0f60cb64063a9686361b6be8555 (diff)
downloadlinux-2.6.34-ux500-cefe658bca9cf1d4af841c45d170ebd0f881889e.tar.gz
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')
-rw-r--r--arch/blackfin/mach-bf548/gpio.c17
1 files changed, 17 insertions, 0 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);