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 7d40897dab09..4cfdf193cf88 100644 --- a/arch/arm/boot/dts/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi @@ -322,6 +322,11 @@ uart0_pb_pins: uart0-pb-pins { function = "uart0"; }; + uart2_pins: uart2-pins { + pins = "PB0", "PB1"; + function = "uart2"; + }; + mmc0_pins: mmc0-pins { pins = "PF0", "PF1", "PF2", "PF3", "PF4", "PF5"; @@ -397,6 +402,8 @@ uart2: serial@1c28800 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART2>; resets = <&ccu RST_BUS_UART2>; + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; status = "disabled"; }; -- 2.27.0
