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

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

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
 .../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




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