linux-kernel - [PATCH v2 2/2] arm64: dts: ti: k3-am62d2-evm: Enable USB support

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Message-ID: <20250823032304.1085775-3-p-bhagat@ti.com>
Date: Sat, 23 Aug 2025 08:53:04 +0530
From: Paresh Bhagat <p-bhagat@...com>
To: <nm@...com>, <vigneshr@...com>, <praneeth@...com>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <khasim@...com>, <v-singh1@...com>, <afd@...com>, <bb@...com>,
        <s-vadapalli@...com>
Subject: [PATCH v2 2/2] arm64: dts: ti: k3-am62d2-evm: Enable USB support

Add pinmux configuration for USB1 interface and enable the node for
functionality. Also enable data transfer on USB0, on existing power
delivery configuration.

Co-developed-by: Siddharth Vadapalli <s-vadapalli@...com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
Signed-off-by: Paresh Bhagat <p-bhagat@...com>
---
 arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
index daea18b0bc61..9704c2d97f43 100644
--- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
@@ -367,6 +367,12 @@ usr_led_pins_default: usr-led-default-pins {
 			AM62DX_IOPAD(0x0244, PIN_INPUT, 7) /* (D18) MMC1_SDWP.GPIO1_49 */
 		>;
 	};
+
+	main_usb1_pins_default: main-usb1-default-pins {
+		pinctrl-single,pins = <
+			AM62DX_IOPAD(0x0258, PIN_OUTPUT, 0) /* (D19) USB1_DRVVBUS */
+		>;
+	};
 };
 
 &mcu_gpio0 {
@@ -499,6 +505,11 @@ &main_uart0 {
 	status = "okay";
 };
 
+&usbss0 {
+	status = "okay";
+	ti,vbus-divider;
+};
+
 &usb0 {
 	usb-role-switch;
 
@@ -509,6 +520,16 @@ usb0_hs_ep: endpoint {
 	};
 };
 
+&usbss1 {
+	status = "okay";
+};
+
+&usb1 {
+	dr_mode = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_usb1_pins_default>;
+};
+
 &cpsw3g {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_rgmii1_pins_default>,
-- 
2.34.1