[PATCH 1/2] arm64: dts: nvidia: tegra210-smaug: Add touchscreen node
From: Jasper Korten via B4 Relay
Date: Sun Sep 15 2024 - 18:48:25 EST
From: Jasper Korten <jja2000@xxxxxxxxx>
The Google Pixel C contains a RMI4 HID over I2C touchscreen.
Add a DT node for the touchscreen.
Information gathered from downstream tree.
Link: https://android.googlesource.com/kernel/tegra/+/refs/heads/android-tegra-dragon-3.18-oreo-m8/arch/arm64/boot/dts/tegra/tegra210-smaug.dtsi#542
Signed-off-by: Jasper Korten <jja2000@xxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 2e5b6b2c1f56..6f77540fd397 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1362,6 +1362,19 @@ bluetooth {
};
};
+ i2c@7000c000 {
+ status = "okay";
+ clock-frequency = <1000000>;
+
+ touchscreen: i2c-hid-dev@20 {
+ compatible = "hid-over-i2c";
+ reg = <0x20>;
+ hid-descr-addr = <0x0020>;
+ interrupt-parent = <&gpio>;
+ interrupts = <TEGRA_GPIO(X, 1) IRQ_TYPE_EDGE_FALLING>;
+ };
+ };
+
i2c@7000c400 {
status = "okay";
clock-frequency = <1000000>;
--
2.46.0