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path: root/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
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Diffstat (limited to 'drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c')
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c b/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
index 022863ab0c58..a70b52957e24 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun6i-a31.c
@@ -896,10 +896,18 @@ static const struct sunxi_desc_pin sun6i_a31_pins[] = {
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"),