linux-kernel - [dt-for-next v1 2/2] riscv: dts: starfive: Add USB dts node for JH7110

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Message-ID: <20230726100609.72550-3-minda.chen@starfivetech.com>
Date:   Wed, 26 Jul 2023 03:06:09 -0700
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Subject: [dt-for-next v1 2/2] riscv: dts: starfive: Add USB dts node for JH7110

Add USB wrapper layer and Cadence USB3 controller dts
configuration for StarFive JH7110 SoC and VisionFive2
Board.

Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         |  5 +++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 32 +++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 5feff4673503..36c402b4a726 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -273,6 +273,11 @@ &uart0 {
 	status = "okay";
 };
 
+&usb0 {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
 &U74_1 {
 	cpu-supply = <&vdd_cpu>;
 };
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index dbc1243a0e75..c58489468cad 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -446,6 +446,38 @@ i2c2: i2c@...50000 {
 			status = "disabled";
 		};
 
+		usb0: usb@...00000 {
+			compatible = "starfive,jh7110-usb";
+			ranges = <0x0 0x0 0x10100000 0x100000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			starfive,stg-syscon = <&stg_syscon 0x4>;
+			clocks = <&stgcrg JH7110_STGCLK_USB0_LPM>,
+				 <&stgcrg JH7110_STGCLK_USB0_STB>,
+				 <&stgcrg JH7110_STGCLK_USB0_APB>,
+				 <&stgcrg JH7110_STGCLK_USB0_AXI>,
+				 <&stgcrg JH7110_STGCLK_USB0_UTMI_APB>;
+			clock-names = "lpm", "stb", "apb", "axi", "utmi_apb";
+			resets = <&stgcrg JH7110_STGRST_USB0_PWRUP>,
+				 <&stgcrg JH7110_STGRST_USB0_APB>,
+				 <&stgcrg JH7110_STGRST_USB0_AXI>,
+				 <&stgcrg JH7110_STGRST_USB0_UTMI_APB>;
+			reset-names = "pwrup", "apb", "axi", "utmi_apb";
+			status = "disabled";
+
+			usb_cdns3: usb@0 {
+				compatible = "cdns,usb3";
+				reg = <0x0 0x10000>,
+				      <0x10000 0x10000>,
+				      <0x20000 0x10000>;
+				reg-names = "otg", "xhci", "dev";
+				interrupts = <100>, <108>, <110>;
+				interrupt-names = "host", "peripheral", "otg";
+				phys = <&usbphy0>;
+				phy-names = "cdns3,usb2-phy";
+			};
+		};
+
 		usbphy0: phy@...00000 {
 			compatible = "starfive,jh7110-usb-phy";
 			reg = <0x0 0x10200000 0x0 0x10000>;
-- 
2.25.1