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@fe380000: USB EHCI 1.00 Bus usb@fe3c0000: "Synchronous Abort" handler, esr 0x96000010, far 0x0 Signed-off-by: Justin Klaassen <jus...@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
