[PATCH 3/5] arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge

[Manivannan Sadhasivam]

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

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>
---
 .../boot/dts/bitmain/bm1880-sophon-edge.dts   | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts 
b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
index 6a3255597138..41da899963b2 100644
--- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
+++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts
@@ -34,17 +34,46 @@
        };
 };
 
+&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>;
 };
-- 
2.17.1