The UART2 RX/TX pins on Allwinner V3 series is at PB0/1, which is used
as debugging UART on some boards.

Add pinctrl node for them.

Signed-off-by: Icenowy Zheng <[email protected]>
---
 arch/arm/boot/dts/sun8i-v3s.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index 21e1806ca509..10795b5ec376 100644
--- a/arch/arm/boot/dts/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
@@ -304,6 +304,11 @@
                                function = "uart0";
                        };
 
+                       uart2_pins: uart2-pins {
+                               pins = "PB0", "PB1";
+                               function = "uart2";
+                       };
+
                        mmc0_pins: mmc0-pins {
                                pins = "PF0", "PF1", "PF2", "PF3",
                                       "PF4", "PF5";
@@ -377,6 +382,8 @@
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART2>;
                        resets = <&ccu RST_BUS_UART2>;
+                       pinctrl-0 = <&uart2_pins>;
+                       pinctrl-names = "default";
                        status = "disabled";
                };
 
-- 
2.18.1

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