summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/armv7/exynos/pinmux.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index bd499b4..2042062 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -408,9 +408,49 @@ static int exynos4_mmc_config(int peripheral, int flags)
return 0;
}
+static void exynos4_uart_config(int peripheral)
+{
+ struct exynos4_gpio_part1 *gpio1 =
+ (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
+ struct s5p_gpio_bank *bank;
+ int i, start, count;
+
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ bank = &gpio1->a0;
+ start = 0;
+ count = 4;
+ break;
+ case PERIPH_ID_UART1:
+ bank = &gpio1->a0;
+ start = 4;
+ count = 4;
+ break;
+ case PERIPH_ID_UART2:
+ bank = &gpio1->a1;
+ start = 0;
+ count = 4;
+ break;
+ case PERIPH_ID_UART3:
+ bank = &gpio1->a1;
+ start = 4;
+ count = 2;
+ break;
+ }
+ for (i = start; i < start + count; i++) {
+ s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+ s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+ }
+}
static int exynos4_pinmux_config(int peripheral, int flags)
{
switch (peripheral) {
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ case PERIPH_ID_UART3:
+ exynos4_uart_config(peripheral);
+ break;
case PERIPH_ID_I2C0:
case PERIPH_ID_I2C1:
case PERIPH_ID_I2C2: