[PATCH/RFC v2 6/6] arm64: dts: renesas: r8a7795: add OF graph for usb role switch

[Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>]

This patch adds OF graph properties for usb role switch in r8a7795.

TODO:
 - separate a few patches to add new properties into each node.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 arch/arm64/boot/dts/renesas/r8a7795.dtsi | 38 ++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 5ae85d8..2e52835 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -2206,6 +2206,12 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 328>;
 			status = "disabled";
+
+			port {
+				usb3_host_ep: endpoint {
+					remote-endpoint = <&usb3_host_ep>;
+				};
+			};
 		};
 
 		usb3_peri0: usb@ee020000 {
@@ -2217,6 +2223,38 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 328>;
 			status = "disabled";
+
+			port {
+				usb3_peri_ep: endpoint {
+					remote-endpoint = <&usb3_peri_sw>;
+				};
+			};
+
+			usb3_role_sw0: usb3-role-sw {
+				compatible = "renesas,rcar-usb3-role-switch";
+				renesas,host = <&xhci0>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						usb3_host_sw: endpoint {
+							remote-endpoint = <&usb3_host_ep>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						usb3_peri_sw: endpoint {
+							remote-endpoint = <&usb3_peri_ep>;
+						};
+					};
+				};
+			};
 		};
 
 		ohci0: usb@ee080000 {
-- 
1.9.1