linux-kernel - [PATCH v2] arm64: dts: ti: k3-am62a7-sk: Enable dual role support for Type-C port

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Date:   Tue, 25 Jul 2023 16:06:51 +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>, <rogerq@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <srk@...com>, <r-gunasekaran@...com>
Subject: [PATCH v2] 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>
---
Changes since v1:
* Added space between node name and ":"
* Changed the node name from "tps6598x" to "usb-power-controller"

v1: https://lore.kernel.org/all/20230724115133.2226-1-r-gunasekaran@ti.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..cff283c75f8e 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: usb-power-controller@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: 1e25dd7772483f477f79986d956028e9f47f990a
-- 
2.17.1