pinctrl: sunxi: Document sun5i pins functions

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index fb000b0..cb3d230 100644 (file)
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -217,11 +217,11 @@ static const struct sunxi_desc_pin sun5i_a13_pins[] = {
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PE10,
                SUNXI_FUNCTION(0x0, "gpio_in"),
                SUNXI_FUNCTION(0x1, "gpio_out"),
-               SUNXI_FUNCTION(0x4, "uart1")),
+               SUNXI_FUNCTION(0x4, "uart1")),          /* TX */
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PE11,
                SUNXI_FUNCTION(0x0, "gpio_in"),
                SUNXI_FUNCTION(0x1, "gpio_out"),
-               SUNXI_FUNCTION(0x4, "uart1")),
+               SUNXI_FUNCTION(0x4, "uart1")),          /* RX */
        /* Hole */
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PF0,
                SUNXI_FUNCTION(0x0, "gpio_in"),
@@ -254,11 +254,11 @@ static const struct sunxi_desc_pin sun5i_a13_pins[] = {
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PG3,
                SUNXI_FUNCTION(0x0, "gpio_in"),
                SUNXI_FUNCTION(0x1, "gpio_out"),
-               SUNXI_FUNCTION(0x4, "uart1")),
+               SUNXI_FUNCTION(0x4, "uart1")),          /* TX */
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PG4,
                SUNXI_FUNCTION(0x0, "gpio_in"),
                SUNXI_FUNCTION(0x1, "gpio_out"),
-               SUNXI_FUNCTION(0x4, "uart1")),
+               SUNXI_FUNCTION(0x4, "uart1")),          /* RX */
        /* Hole */
        SUNXI_PIN(SUNXI_PINCTRL_PIN_PG9,
                SUNXI_FUNCTION(0x0, "gpio_in"),