linux-kernel - [PATCH] arm64: dts: qcom: msm8916-samsung-grandmax: Add touchscreen

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Message-ID: <20240713172724.34658-1-linmengbo06890@proton.me>
Date: Sat, 13 Jul 2024 17:27:33 +0000
From: "Lin, Meng-Bo" <linmengbo06890@...ton.me>
To: linux-kernel@...r.kernel.org
Cc: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Stephan Gerhold <stephan@...hold.net>, Nikita Travkin <nikita@...n.ru>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH] arm64: dts: qcom: msm8916-samsung-grandmax: Add touchscreen

Grand Max uses an Imagis IST3038 touchscreen that is connected to
blsp_i2c5. Add it to the device tree.

Signed-off-by: "Lin, Meng-Bo" <linmengbo06890@...ton.me>
---
 .../dts/qcom/msm8916-samsung-grandmax.dts     | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
index 135df1739dbd..5806a28b7bec 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-grandmax.dts
@@ -47,12 +47,34 @@ &battery {
 	constant-charge-voltage-max-microvolt = <4400000>;
 };
 
+&blsp_i2c5 {
+	status = "okay";
+
+	touchscreen@50 {
+		compatible = "imagis,ist3038";
+		reg = <0x50>;
+
+		interrupts-extended = <&tlmm 13 IRQ_TYPE_EDGE_FALLING>;
+
+		touchscreen-size-x = <720>;
+		touchscreen-size-y = <1280>;
+
+		vdd-supply = <&reg_vdd_tsp_a>;
+		vddio-supply = <&pm8916_l6>;
+
+		pinctrl-0 = <&ts_int_default>;
+		pinctrl-names = "default";
+
+		linux,keycodes = <KEY_APPSELECT KEY_BACK>;
+	};
+};
+
 &reg_motor_vdd {
 	gpio = <&tlmm 72 GPIO_ACTIVE_HIGH>;
 };
 
 &reg_touch_key {
-	status = "disabled";
+	status = "disabled"; /* Using Imagis touch key*/
 };
 
 &sound {
-- 
2.39.2