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From: Ravi Gunasekaran <r-gunasekaran@ti.com>
To: <nm@ti.com>, <vigneshr@ti.com>
CC: <kristo@kernel.org>, <robh@kernel.org>, <krzk+dt@kernel.org>,
        <conor+dt@kernel.org>, <srk@ti.com>, <rogerq@kernel.org>,
        <r-gunasekaran@ti.com>, <linux-arm-kernel@lists.infradead.org>,
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Subject: [PATCH v2 1/2] arm64: dts: ti: k3-j784s4-main: Add support for USB
Date: Mon, 6 May 2024 10:50:43 +0530
Message-ID: <20240506052044.8228-2-r-gunasekaran@ti.com>
In-Reply-To: <20240506052044.8228-1-r-gunasekaran@ti.com>
References: <20240506052044.8228-1-r-gunasekaran@ti.com>
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From: Matt Ranostay <mranostay@ti.com>

Add support for the USB 3.0 controller

Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
---
Changes since v1:
----------------
* No change

v1: https://lore.kernel.org/all/20240502053615.29514-2-r-gunasekaran@ti.com/

 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 6a4554c6c9c1..51cdd0b56a6f 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -75,6 +75,13 @@
 				      <J784S4_SERDES4_LANE2_EDP_LANE2>,
 				      <J784S4_SERDES4_LANE3_EDP_LANE3>;
 		};
+
+		usb_serdes_mux: mux-controller@4000 {
+			compatible = "reg-mux";
+			reg = <0x4000 0x4>;
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 3 mux */
+		};
 	};
 
 	gic500: interrupt-controller@1800000 {
@@ -568,6 +575,38 @@
 		status = "disabled";
 	};
 
+	usbss0: cdns-usb@4104000 {
+		bootph-all;
+		compatible = "ti,j721e-usb";
+		reg = <0x00 0x4104000 0x00 0x100>;
+		dma-coherent;
+		power-domains = <&k3_pds 398 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 398 21>, <&k3_clks 398 2>;
+		clock-names = "ref", "lpm";
+		assigned-clocks = <&k3_clks 398 21>;    /* USB2_REFCLK */
+		assigned-clock-parents = <&k3_clks 398 22>; /* HFOSC0 */
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		status = "disabled"; /* Needs lane config */
+
+		usb0: usb@6000000 {
+			bootph-all;
+			compatible = "cdns,usb3";
+			reg = <0x00 0x6000000 0x00 0x10000>,
+			      <0x00 0x6010000 0x00 0x10000>,
+			      <0x00 0x6020000 0x00 0x10000>;
+			reg-names = "otg", "xhci", "dev";
+			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,  /* irq.0 */
+				     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, /* irq.6 */
+				     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; /* otgirq.0 */
+			interrupt-names = "host",
+					  "peripheral",
+					  "otg";
+		};
+	};
+
 	main_i2c0: i2c@2000000 {
 		compatible = "ti,j721e-i2c", "ti,omap4-i2c";
 		reg = <0x00 0x02000000 0x00 0x100>;
-- 
2.17.1