linux-kernel - [PATCH] arm64: dts: ti: k3-am62a7-sk: Enable dual role support for Type-C port

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Message-ID: <20230724115133.2226-1-r-gunasekaran@ti.com>
Date:   Mon, 24 Jul 2023 17:21:33 +0530
From:   Ravi Gunasekaran <r-gunasekaran@...com>
To:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <r-gunasekaran@...com>, <rogerq@...nel.org>
Subject: [PATCH] arm64: dts: ti: k3-am62a7-sk: Enable dual role support for Type-C port

USB0 is interfaced with a Type-C DRP connector and is managed via a
USB PD controller. Add support for the Type-C port with dual data
and power sink role.

Signed-off-by: Ravi Gunasekaran <r-gunasekaran@...com>
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 33 +++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index d2cca6182738..b478b794de00 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -226,6 +226,24 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c0_pins_default>;
 	clock-frequency = <400000>;
+
+	typec_pd0:tps6598x@3f {
+		compatible = "ti,tps6598x";
+		reg = <0x3f>;
+
+		connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			self-powered;
+			data-role = "dual";
+			power-role = "sink";
+			port {
+				usb_con_hs: endpoint {
+					remote-endpoint = <&usb0_hs_ep>;
+				};
+			};
+		};
+	};
 };
 
 &main_i2c1 {
@@ -290,6 +308,21 @@
 	status = "reserved";
 };
 
+&usbss0 {
+	status = "okay";
+	ti,vbus-divider;
+};
+
+&usb0 {
+	usb-role-switch;
+
+	port {
+		usb0_hs_ep: endpoint {
+			remote-endpoint = <&usb_con_hs>;
+		};
+	};
+};
+
 &usbss1 {
 	status = "okay";
 };

base-commit: 4d2c646ac07cf4a35ef1c4a935a1a4fd6c6b1a36
-- 
2.17.1