linux-kernel - [PATCH v3 2/2] arm64: dts: mediatek: mt8183: willow: Support second source touchscreen

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Message-Id: <20241213-touchscreen-v3-2-7c1f670913f9@chromium.org>
Date: Fri, 13 Dec 2024 05:27:48 +0000
From: Hsin-Te Yuan <yuanhsinte@...omium.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Enric Balletbo i Serra <eballetbo@...nel.org>, 
 Hsin-Yi Wang <hsinyi@...omium.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Hsin-Te Yuan <yuanhsinte@...omium.org>
Subject: [PATCH v3 2/2] arm64: dts: mediatek: mt8183: willow: Support
 second source touchscreen

Some willow devices use second source touchscreen.

Fixes: f006bcf1c972 ("arm64: dts: mt8183: Add kukui-jacuzzi-willow board")
Signed-off-by: Hsin-Te Yuan <yuanhsinte@...omium.org>
---
 .../boot/dts/mediatek/mt8183-kukui-jacuzzi-willow.dtsi    | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-willow.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-willow.dtsi
index 76d33540166f900c99c419c4f97ca0a56cf658f5..c942e461a177efe1e711a978c3bfb9f852f1b0ee 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-willow.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-willow.dtsi
@@ -6,6 +6,21 @@
 /dts-v1/;
 #include "mt8183-kukui-jacuzzi.dtsi"
 
+&i2c0 {
+	touchscreen@40 {
+		compatible = "hid-over-i2c";
+		reg = <0x40>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&touchscreen_pins>;
+
+		interrupts-extended = <&pio 155 IRQ_TYPE_LEVEL_LOW>;
+
+		post-power-on-delay-ms = <70>;
+		hid-descr-addr = <0x0001>;
+	};
+};
+
 &i2c2 {
 	trackpad@2c {
 		compatible = "hid-over-i2c";

-- 
2.47.1.613.gc27f4b7a9f-goog