Add an optional property renesas,usb-role-switch to support dual role switch for USB Type-C DRP port controller devices using USB role switch class framework.
Signed-off-by: Biju Das <[email protected]> --- V4-->V5 * No Change V3-->V4 * No Change V2-->V3 * Added optional renesas,usb-role-switch property. 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..f1cb06a 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" + - renesas,usb-role-switch: use USB role switch to handle role switch events 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>; + renesas,usb-role-switch; + + port { + #address-cells = <1>; + #size-cells = <0>; + + usb3peri_role_switch: endpoint@0 { + reg = <0>; + remote-endpoint = <&hd3ss3220_ep>; + }; + }; + }; -- 2.7.4
