From c837ad879e7110227bac0096a32a7c610e430a8e Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Date: Thu, 23 Oct 2025 16:58:09 +0300
Subject: [PATCH] arm64: dts: renesas: r9a08g045: Add USB support

Add USB nodes for the Renesas RZ/G3S SoC. This consists of PHY reset,
host and device support.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20251023135810.1688415-7-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/r9a08g045.dtsi | 118 +++++++++++++++++++++
 1 file changed, 118 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
index dd9c9c33d9d60..876de634908ef 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
@@ -727,6 +727,124 @@
 			status = "disabled";
 		};
 
+		phyrst: usbphy-ctrl@11e00000 {
+			compatible = "renesas,r9a08g045-usbphy-ctrl";
+			reg = <0 0x11e00000 0 0x10000>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>;
+			resets = <&cpg R9A08G045_USB_PRESETN>;
+			power-domains = <&cpg>;
+			#reset-cells = <1>;
+			renesas,sysc-pwrrdy = <&sysc 0xd70 0x1>;
+			status = "disabled";
+
+			usb0_vbus_otg: regulator-vbus {
+				regulator-name = "vbus";
+			};
+		};
+
+		ohci0: usb@11e10000 {
+			compatible = "generic-ohci";
+			reg = <0 0x11e10000 0 0x100>;
+			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			phys = <&usb2_phy0 1>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ohci1: usb@11e30000 {
+			compatible = "generic-ohci";
+			reg = <0 0x11e30000 0 0x100>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			phys = <&usb2_phy1 1>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ehci0: usb@11e10100 {
+			compatible = "generic-ehci";
+			reg = <0 0x11e10100 0 0x100>;
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			phys = <&usb2_phy0 2>;
+			phy-names = "usb";
+			companion = <&ohci0>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ehci1: usb@11e30100 {
+			compatible = "generic-ehci";
+			reg = <0 0x11e30100 0 0x100>;
+			interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			phys = <&usb2_phy1 2>;
+			phy-names = "usb";
+			companion = <&ohci1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		usb2_phy0: usb-phy@11e10200 {
+			compatible = "renesas,usb2-phy-r9a08g045";
+			reg = <0 0x11e10200 0 0x700>;
+			interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H0_HCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2H0_HRESETN>;
+			#phy-cells = <1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		usb2_phy1: usb-phy@11e30200 {
+			compatible = "renesas,usb2-phy-r9a08g045";
+			reg = <0 0x11e30200 0 0x700>;
+			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2H1_HCLK>;
+			resets = <&phyrst 1>,
+				 <&cpg R9A08G045_USB_U2H1_HRESETN>;
+			#phy-cells = <1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		hsusb: usb@11e20000 {
+			compatible = "renesas,usbhs-r9a08g045",
+				     "renesas,rzg2l-usbhs";
+			reg = <0 0x11e20000 0 0x10000>;
+			interrupts = <GIC_SPI 85 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD R9A08G045_USB_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_USB_U2P_EXR_CPUCLK>;
+			resets = <&phyrst 0>,
+				 <&cpg R9A08G045_USB_U2P_EXL_SYSRST>;
+			renesas,buswait = <7>;
+			phys = <&usb2_phy0 3>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@12400000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;
-- 
2.47.3