linux-kernel - [PATCH] arm64: dts: mt8183: kukui: Add Type C node

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Message-Id: <20211208014800.10058-1-pmalani@chromium.org>
Date:   Tue,  7 Dec 2021 17:47:58 -0800
From:   Prashant Malani <pmalani@...omium.org>
To:     linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Cc:     Prashant Malani <pmalani@...omium.org>,
        Alexandru M Stan <amstan@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support), Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH] arm64: dts: mt8183: kukui: Add Type C node

Add a node describing the USB Type C connector, in order to utilize the
Chromium OS USB Type-C driver that enumerates Type-C ports and connected
cables/peripherals and makes them visible to userspace.

Cc: Alexandru M Stan <amstan@...omium.org>
Cc: Benson Leung <bleung@...omium.org>
Signed-off-by: Prashant Malani <pmalani@...omium.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 94c13c459194..d2796d17b856 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -886,6 +886,20 @@ usbc_extcon: extcon0 {
 		cbas {
 			compatible = "google,cros-cbas";
 		};
+
+		typec {
+			compatible = "google,cros-ec-typec";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			usb_c0: connector@0 {
+				compatible = "usb-c-connector";
+				reg = <0>;
+				power-role = "dual";
+				data-role = "host";
+				try-power-role = "source";
+			};
+		};
 	};
 };
 
-- 
2.34.1.400.ga245620fadb-goog