Hi, On Thu 29 Oct 20, 02:19, Matteo Scordino wrote: > 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.
Looks good to me, I've had to make the same change when bringing up both
another S3 and another V3 board.
Reviewed-by: Paul Kocialkowski <paul.kocialkow...@bootlin.com>
Cheers,
Paul
> Signed-off-by: Matteo Scordino <matteo.scord...@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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--
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
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