pinctrl: sun6i: add SPDIF to pin description.
Add the SPDIF mux functionality to the pinctrl for the Allwinner A31
SoC.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c b/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
index 022863a..a70b529 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
@@ -896,10 +896,18 @@
SUNXI_FUNCTION(0x1, "gpio_out")),
SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 27),
SUNXI_FUNCTION(0x0, "gpio_in"),
- SUNXI_FUNCTION(0x1, "gpio_out")),
+ SUNXI_FUNCTION(0x1, "gpio_out"),
+ /*
+ * The SPDIF block is not referenced at all in the A31 user
+ * manual. However it is described in the code leaked and the
+ * configuration files supplied by vendors.
+ */
+ SUNXI_FUNCTION(0x3, "spdif")), /* SPDIF IN */
SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 28),
SUNXI_FUNCTION(0x0, "gpio_in"),
- SUNXI_FUNCTION(0x1, "gpio_out")),
+ SUNXI_FUNCTION(0x1, "gpio_out"),
+ /* Undocumented mux function - see above */
+ SUNXI_FUNCTION(0x3, "spdif")), /* SPDIF OUT */
SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 29),
SUNXI_FUNCTION(0x0, "gpio_in"),
SUNXI_FUNCTION(0x1, "gpio_out"),