| From | Matteo Scordino <> | Subject | [PATCH v2 2/6] ARM: dts: sun8i: V3/S3: Add UART1 pin definitions to the V3/S3 dtsi | Date | Fri, 30 Oct 2020 23:43:21 +0000 |
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The Allwinner V3 and S3 can use PG6/7 as RX/TX for UART1. Since no other functions are assigned to those pins, they are a convenient choice for a debugging or application UART. This is specific to V3/S3 as the V3s's non-BGA package did not have those pins.
Signed-off-by: Matteo Scordino <matteo.scordino@gmail.com> --- arch/arm/boot/dts/sun8i-v3.dtsi | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi b/arch/arm/boot/dts/sun8i-v3.dtsi index ca4672ed2e02..c279e13583ba 100644 --- a/arch/arm/boot/dts/sun8i-v3.dtsi +++ b/arch/arm/boot/dts/sun8i-v3.dtsi @@ -24,4 +24,9 @@ &pio { compatible = "allwinner,sun8i-v3-pinctrl"; + + uart1_pg_pins: uart1-pg-pins { + pins = "PG6", "PG7"; + function = "uart1"; + }; }; -- 2.20.1
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