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-rw-r--r--drivers/gpio/s5p_gpio.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
index 2043859..1edf9a2 100644
--- a/drivers/gpio/s5p_gpio.c
+++ b/drivers/gpio/s5p_gpio.c
@@ -141,3 +141,47 @@ void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode)
writel(value, &bank->drv);
}
+
+struct s5p_gpio_bank *s5p_gpio_get_bank(int nr)
+{
+ int bank = nr / GPIO_PER_BANK;
+ bank *= sizeof(struct s5p_gpio_bank);
+
+ return (struct s5p_gpio_bank *) (s5p_gpio_base(nr) + bank);
+}
+
+int s5p_gpio_get_pin(int nr)
+{
+ return nr % GPIO_PER_BANK;
+}
+
+int gpio_request(int gpio, const char *label)
+{
+ return 0;
+}
+
+int gpio_direction_input(int nr)
+{
+ s5p_gpio_direction_input(s5p_gpio_get_bank(nr),
+ s5p_gpio_get_pin(nr));
+ return 0;
+}
+
+int gpio_direction_output(int nr, int value)
+{
+ s5p_gpio_direction_output(s5p_gpio_get_bank(nr),
+ s5p_gpio_get_pin(nr), value);
+ return 0;
+}
+
+int gpio_get_value(int nr)
+{
+ return (int) s5p_gpio_get_value(s5p_gpio_get_bank(nr),
+ s5p_gpio_get_pin(nr));
+}
+
+void gpio_set_value(int nr, int value)
+{
+ s5p_gpio_set_value(s5p_gpio_get_bank(nr),
+ s5p_gpio_get_pin(nr), value);
+}