linux-kernel - [PATCH v2 3/3] dts: usb: add StarFive JH7110 USB dts configuration.

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Message-ID: <20230308082800.3008-4-minda.chen@starfivetech.com>
Date:   Wed, 8 Mar 2023 16:28:00 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pawel Laszczak <pawell@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <peter.chen@...nel.org>,
        Roger Quadros <rogerq@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Conor Dooley <conor@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <linux-usb@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>,
        Minda Chen <minda.chen@...rfivetech.com>
Subject: [PATCH v2 3/3] dts: usb: add StarFive JH7110 USB dts configuration.

USB phy dts configuration. Also includes Cadence USB
subnode configuration.

Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         |  6 +++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 38 +++++++++++++++++++
 2 files changed, 44 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 f144c3254213..933750ce753d 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -236,3 +236,9 @@
 		};
 	};
 };
+
+&usb0 {
+	starfive,usb2-only;
+	dr_mode = "peripheral";
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index c29f8dd9e557..fa622e18dc0e 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -362,6 +362,44 @@
 			status = "disabled";
 		};
 
+		usb0: usbphy@...00000 {
+			compatible = "starfive,jh7110-usb";
+			reg = <0x0 0x10210000 0x0 0x1000>,
+			      <0x0 0x10200000 0x0 0x1000>;
+			reg-names = "usb3", "usb2";
+			clocks = <&syscrg JH7110_SYSCLK_USB_125M>,
+				 <&stgcrg JH7110_STGCLK_USB0_APP_125>,
+				 <&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 = "usb_125m", "usb0_app_125", "usb0_lpm",
+				"usb0_stb", "usb0_apb", "usb0_axi", "usb0_utmi_apb";
+			resets = <&stgcrg JH7110_STGRST_USB0_PWRUP>,
+				 <&stgcrg JH7110_STGRST_USB0_APB>,
+				 <&stgcrg JH7110_STGRST_USB0_AXI>,
+				 <&stgcrg JH7110_STGRST_USB0_UTMI_APB>;
+			starfive,stg-syscon = <&stg_syscon 0x4 0xc4 0x148 0x1f4>;
+			starfive,sys-syscon = <&sys_syscon 0x18>;
+			status = "disabled";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			usbdrd_cdns3: usb@...00000 {
+				compatible = "cdns,usb3";
+				reg = <0x0 0x10100000 0x0 0x10000>,
+				      <0x0 0x10110000 0x0 0x10000>,
+				      <0x0 0x10120000 0x0 0x10000>;
+				reg-names = "otg", "xhci", "dev";
+				interrupts = <100>, <108>, <110>;
+				interrupt-names = "host", "peripheral", "otg";
+				phy-names = "cdns3,usb3-phy", "cnds3,usb2-phy";
+				maximum-speed = "super-speed";
+			};
+		};
+
 		stgcrg: clock-controller@...30000 {
 			compatible = "starfive,jh7110-stgcrg";
 			reg = <0x0 0x10230000 0x0 0x10000>;
-- 
2.17.1