ARM: sun7i: a20-olinuxino: Enable UARTs muxing

Instead of relying on the bootloader to mux the UART pins properly, do
it on our own and register the rightful pins for the A20-olinuxino in
the DT using pinctrl.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index d3395846491c..4d988df1a49c 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -20,14 +20,20 @@
 
         soc@01c00000 {
                 uart0: serial@01c28000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart0_pins_a>;
                         status = "okay";
                 };
 
                 uart6: serial@01c29800 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart6_pins_a>;
                         status = "okay";
                 };
 
                 uart7: serial@01c29c00 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart7_pins_a>;
                         status = "okay";
                 };
         };