[PATCH] rockchip: nanopi-r4s: Enable second usb port and fix crash

[Kever Yang]

Hi Justin,

On 2025/2/1 01:06, Justin Klaassen wrote:
> The patch enables the second USB3.0 Type-A USB port on the NanoPi R4S
> board, which prevents a crash when initializing the usb system in U-Boot
> and allows both Type-A USB ports to be used for booting.
>
> => usb start
> starting USB...
> Bus usb at fe380000: USB EHCI 1.00
> Bus usb at fe3c0000: "Synchronous Abort" handler, esr 0x96000010, far 0x0
>
> Signed-off-by: Justin Klaassen <justin at tidylabs.net>
>
> ---
>
>   arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
> index 69800cc368d..931499b084c 100644
> --- a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
> @@ -36,3 +36,8 @@
>   		};
>   	};
>   };
> +
> +&u2phy1_host {
> +	phy-supply = <&vdd_5v>;
> +	status = "okay";
> +};

This was disabled in upstream kernel in 
dts/upstream/src/arm64/rockchip/rk3399-nanopi-r4s.dtsi

Can you also update the upstream kernel dts?

this u2phy1_host should always have the same status as usb_host1_ehci.


Thanks,

- Kever