Patchwork [V3,2/7] dt-bindings: usb: renesas_usb3: Add renesas,usb-role-switch property

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Submitter Biju Das
Date April 12, 2019, 10:16 a.m.
Message ID <1555064179-15626-3-git-send-email-biju.das@bp.renesas.com>
Download mbox | patch
Permalink /patch/771515/
State New
Headers show

Comments

Biju Das - April 12, 2019, 10:16 a.m.
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 <biju.das@bp.renesas.com>
---
 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(+)

Patch

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>;
+			};
+		};
+	};