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arm64: dts: qcom: msm8916-samsung-rossa: Move touchscreen to common device tree

PATCH In review Raymond Hackley 2 participants 2 messages Oct 4, 2025 – Oct 6, 2025

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Raymond Hackley

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PATCH 1/1 arm64: dts: qcom: msm8916-samsung-rossa: Move touchscreen to common device tree

Every Core Prime uses an Imagis IST3038 touchscreen that is connected to &blsp_i2c5. Move it to the common device tree.

Signed-off-by Raymond Hackley <[email protected]>
---
 .../qcom/msm8916-samsung-rossa-common.dtsi    | 22 ++++++++++++++++++-
 .../boot/dts/qcom/msm8916-samsung-rossa.dts   | 20 -----------------
 2 files changed, 21 insertions(+), 21 deletions(-)
arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi +21 -1
index e7f265e3c2ab..e33453c3e51e 100644
@@ -5,7 +5,7 @@
 /* SM5504 MUIC instead of SM5502 */
 /delete-node/ &muic;
 
-/* Touchscreen varies depending on model variant */
+/* IST3038 instead of Zinitix BT541 */
 /delete-node/ &touchscreen;
 
 &blsp_i2c1 {

@@ -24,6 +24,26 @@ usb_con: connector {
 	};
 };
 
+&blsp_i2c5 {
+	touchscreen: touchscreen@50 {
+		compatible = "imagis,ist3038";
+		reg = <0x50>;
+
+		interrupts-extended = <&tlmm 13 IRQ_TYPE_EDGE_FALLING>;
+
+		touchscreen-size-x = <480>;
+		touchscreen-size-y = <800>;
+
+		vdd-supply = <&reg_vdd_tsp_a>;
+		vddio-supply = <&pm8916_l6>;
+
+		pinctrl-0 = <&tsp_int_default>;
+		pinctrl-names = "default";
+
+		linux,keycodes = <KEY_APPSELECT KEY_BACK>;
+	};
+};
+
 /* On rossa backlight is controlled with MIPI DCS commands */
 &clk_pwm {
 	status = "disabled";
arch/arm64/boot/dts/qcom/msm8916-samsung-rossa.dts +0 -20
index 3413b0970c4a..1981bb71f6a9 100644
@@ -16,26 +16,6 @@ &battery {
 	constant-charge-voltage-max-microvolt = <4400000>;
 };
 
-&blsp_i2c5 {
-	touchscreen@50 {
-		compatible = "imagis,ist3038";
-		reg = <0x50>;
-
-		interrupts-extended = <&tlmm 13 IRQ_TYPE_EDGE_FALLING>;
-
-		touchscreen-size-x = <480>;
-		touchscreen-size-y = <800>;
-
-		vdd-supply = <&reg_vdd_tsp_a>;
-		vddio-supply = <&pm8916_l6>;
-
-		pinctrl-0 = <&tsp_int_default>;
-		pinctrl-names = "default";
-
-		linux,keycodes = <KEY_APPSELECT KEY_BACK>;
-	};
-};
-
 &mpss_mem {
 	/* Firmware for rossa needs more space */
 	reg = <0x0 0x86800000 0x0 0x5800000>;
Signature · 1 line
2.47.3