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>
diff --git a/arch/blackfin/mach-bf548/gpio.c b/arch/blackfin/mach-bf548/gpio.c
index fac7cf3..9b1a00a 100644
--- a/arch/blackfin/mach-bf548/gpio.c
+++ b/arch/blackfin/mach-bf548/gpio.c
@@ -52,6 +52,7 @@
{
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 @@
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 bc0cca0..e679703 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_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_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 4528942..8c5847a 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