arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge

Add pinctrl support for UARTs exposed on the Sophon Edge board.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
index 6bdf4c101c61..3e8c70778e24 100644
--- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
+++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
@@ -148,17 +148,46 @@
         };
 };
 
+&pinctrl {
+        pinctrl_uart0_default: pinctrl-uart0-default {
+                pinmux {
+                        groups = "uart0_grp";
+                        function = "uart0";
+                };
+        };
+
+        pinctrl_uart1_default: pinctrl-uart1-default {
+                pinmux {
+                        groups = "uart1_grp";
+                        function = "uart1";
+                };
+        };
+
+        pinctrl_uart2_default: pinctrl-uart2-default {
+                pinmux {
+                        groups = "uart2_grp";
+                        function = "uart2";
+                };
+        };
+};
+
 &uart0 {
         status = "okay";
         clocks = <&uart_clk>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_uart0_default>;
 };
 
 &uart1 {
         status = "okay";
         clocks = <&uart_clk>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_uart1_default>;
 };
 
 &uart2 {
         status = "okay";
         clocks = <&uart_clk>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_uart2_default>;
 };