On 19/09/2023 07:14, Tomer Maimon wrote: >>> - nvidia,tegra20-ehci >>> - nvidia,tegra20-udc >>> - nvidia,tegra30-ehci >>> @@ -325,6 +326,20 @@ properties: >>> type: boolean >>> deprecated: true >>> >>> + nuvoton,sysgcr: >>> + $ref: /schemas/types.yaml#/definitions/phandle-array >>> + items: >>> + - items: >>> + - description: phandle to syscon that configures usb phy mux. >>> + - description: offset of usb phy mux selection. >>> + - description: mask usb phy mux selection. >>> + - description: value usb phy mux selection. >>> + description: >>> + A phandle to syscon with three arguments that configure usb phy mux. >>> + The argument one is the offset of usb phy mux selection, the argument two >>> + is the mask usb phy mux selection, the argument three is the mask usb phy >>> + mux selection. >> >> Sorry, you miss phy driver. Don't use syscon instead of proper hardware >> devices. > Sorry the role of nuvoton,sysgcr property is to handle a mux between > the different devices and not the handle the phy itself, handle the > mux done in the GCR. > Should we move the nuvoton,sysgcr description to another place in the > ci-hdrc-usb2.yaml > or > Should we use a different driver to handle the mux and call it from > the ci-hdrc-npcm driver, If yes which driver should we use? What is an "usb phy mux"? Best regards, Krzysztof