Hi Biju-san,
> From: Biju Das, Sent: Thursday, March 14, 2019 5:40 PM
>
> Add support for renesas_usb3 to support dual role switch
> using usb role switch class framework.
>
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
> ---
> V1-->V2
> * Added usb-role-switch-property
> * Updated the example with usb-role-switch property.
> ---
> .../devicetree/bindings/usb/renesas_usb3.txt | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> index 35039e7..eecaf4c 100644
> --- a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> +++ b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> @@ -22,6 +22,7 @@ Required properties:
> Optional properties:
> - phys: phandle + phy specifier pair
> - phy-names: must be "usb"
> + - usb-role-switch: use USB role switch to support dual-role switch
I don't think we can add such a property. At least, we have to add "renesas," prefix.
Best regards,
Yoshihiro Shimoda
> Example of R-Car H3 ES1.x:
> usb3_peri0: usb@ee020000 {
> @@ -39,3 +40,24 @@ Example of R-Car H3 ES1.x:
> interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&cpg CPG_MOD 327>;
> };
> +
> +Example of RZ/G2E:
> + usb3_peri0: usb@ee020000 {
> + compatible = "renesas,r8a774c0-usb3-peri",
> + "renesas,rcar-gen3-usb3-peri";
> + reg = <0 0xee020000 0 0x400>;
> + interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 328>;
> + companion = <&xhci0>;
> + usb-role-switch;
> +
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + usb3peri_role_switch: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&hd3ss3220_ep>;
> + };
> + };
> + };
> --
> 2.7.4
