linux-kernel - [PATCH v3 1/9] arm64: dts: ti: k3-j721s2-main: Add support for USB

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Message-ID: <20220921031327.4135-2-mranostay@ti.com>
Date:   Tue, 20 Sep 2022 20:13:19 -0700
From:   Matt Ranostay <mranostay@...com>
To:     <vigneshr@...com>, <nm@...com>, <robh+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Matt Ranostay <mranostay@...com>
Subject: [PATCH v3 1/9] arm64: dts: ti: k3-j721s2-main: Add support for USB

From: Aswath Govindraju <a-govindraju@...com>

Add support for single instance of USB 3.0 controller in J721S2 SoC.

Cc: Vignesh Raghavendra <vigneshr@...com>
Cc: Nishanth Menon <nm@...com>
Acked-by: Matt Ranostay <mranostay@...com>
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 34e7d577ae13..1f178ad3fa42 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -26,6 +26,20 @@ l3cache-sram@...000 {
 		};
 	};
 
+	scm_conf: syscon@...000 {
+		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
+		reg = <0x00 0x00104000 0x00 0x18000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x00 0x00 0x00104000 0x18000>;
+
+		usb_serdes_mux: mux-controller-0 {
+			compatible = "mmio-mux";
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
+		};
+	};
+
 	gic500: interrupt-controller@...0000 {
 		compatible = "arm,gic-v3";
 		#address-cells = <2>;
@@ -686,6 +700,34 @@ cpts@...d0000 {
 		};
 	};
 
+	usbss0: cdns-usb@...4000 {
+		compatible = "ti,j721e-usb";
+		reg = <0x00 0x04104000 0x00 0x100>;
+		clocks = <&k3_clks 360 16>, <&k3_clks 360 15>;
+		clock-names = "ref", "lpm";
+		assigned-clocks = <&k3_clks 360 16>; /* USB2_REFCLK */
+		assigned-clock-parents = <&k3_clks 360 17>;
+		power-domains = <&k3_pds 360 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		dma-coherent;
+
+		usb0: usb@...0000 {
+			compatible = "cdns,usb3";
+			reg = <0x00 0x06000000 0x00 0x10000>,
+			      <0x00 0x06010000 0x00 0x10000>,
+			      <0x00 0x06020000 0x00 0x10000>;
+			reg-names = "otg", "xhci", "dev";
+			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host", "peripheral", "otg";
+			maximum-speed = "super-speed";
+			dr_mode = "otg";
+		};
+	};
+
 	main_mcan0: can@...1000 {
 		compatible = "bosch,m_can";
 		reg = <0x00 0x02701000 0x00 0x200>,
-- 
2.37.2