[PATCH 4/4] ARM: dts: qcom: msm8974pro-htc-m8: add touchscreen

Alexandre Messier via B4 Relay devnull+alex.me.ssier.org at kernel.org
Mon Oct 6 22:55:45 PDT 2025


From: Alexandre Messier <alex at me.ssier.org>

Add the touchscreen device node for the HTC One (M8).

Signed-off-by: Alexandre Messier <alex at me.ssier.org>
---
 arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts | 36 +++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
index 36eb42f0f3d9..040a256f9465 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
@@ -65,6 +65,35 @@ vreg_vph_pwr: vreg-vph-pwr {
 	};
 };
 
+&blsp1_i2c2 {
+	clock-frequency = <384000>;
+
+	status = "okay";
+
+	touch at 20 {
+		compatible = "syna,rmi4-i2c";
+		reg = <0x20>;
+
+		interrupts-extended = <&tlmm 18 IRQ_TYPE_LEVEL_LOW>;
+
+		pinctrl-0 = <&ts_int_pin>;
+		pinctrl-names = "default";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rmi4-f01 at 1 {
+			reg = <0x1>;
+			syna,nosleep-mode = <1>;
+		};
+
+		rmi4-f11 at 11 {
+			reg = <0x11>;
+			syna,sensor-type = <1>;
+		};
+	};
+};
+
 &blsp1_i2c3 {
 	clock-frequency = <384000>;
 
@@ -358,6 +387,13 @@ cmd-data-pins {
 		};
 	};
 
+	ts_int_pin: ts-int-pin-state {
+		pins = "gpio18";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	wcnss_pin_a: wcnss-pin-active-state {
 		bt-pins {
 			pins = "gpio35", "gpio43", "gpio44";

-- 
2.51.0





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