Re: [PATCH 3/3] arm64: dts: rockchip: Enable UART8 on rock-3b

[Jonas Karlman]

Hi Tamás,

On 2024-11-11 19:17, Tamás Szűcs wrote:
> Enable UART lines on Radxa ROCK 3 Model B M.2 Key E.
> 
> Signed-off-by: Tamás Szűcs <tszucs@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> index b7527ba418f7..61d4ba2d312a 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> @@ -732,7 +732,7 @@ &uart8 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&uart8m0_xfer &uart8m0_ctsn &uart8m0_rtsn>;
>  	uart-has-rtscts;
> -	status = "disabled";
> +	status = "okay";

This should probably be enabled using an dt-overlay, there is no UART
device embedded on the board and the reason I left it disabled in
original board DT submission.

On second thought maybe they should be enabled, think PCIe and USB lines
on the M.2 Key E is already enabled by default. I probably only tested
with a pcie/usb wifi/bt card and not a sido/uart wifi/bt card.

Regards,
Jonas

>  };
>  
>  &usb_host0_ehci {