2023-01-05 12:55:06

by Nikita Travkin

Subject: [PATCH 6/8] arm64: dts: qcom: msm8916-samsung-gt58: Add touchscreen

From: Siddharth Manthan <[email protected]>

gt58 uses Zinitix bt532 touch controller.
Add it to device tree.

Signed-off-by: Siddharth Manthan <[email protected]>
Signed-off-by: Nikita Travkin <[email protected]>
---
.../boot/dts/qcom/msm8916-samsung-gt58.dts | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
index 37140d041a22..fcf516888739 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
@@ -9,6 +9,19 @@ / {
compatible = "samsung,gt58", "qcom,msm8916";
chassis-type = "tablet";

+ reg_vdd_tsp: regulator-vdd-tsp {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_tsp";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&msmgpio 73 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&reg_tsp_en_default>;
+ pinctrl-names = "default";
+ };
+
vibrator {
compatible = "gpio-vibrator";
enable-gpios = <&msmgpio 76 GPIO_ACTIVE_HIGH>;
@@ -18,7 +31,43 @@ vibrator {
};
};

+&blsp_i2c5 {
+ status = "okay";
+
+ touchscreen@20 {
+ compatible = "zinitix,bt532";
+ reg = <0x20>;
+ interrupt-parent = <&msmgpio>;
+ interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+
+ touchscreen-size-x = <768>;
+ touchscreen-size-y = <1024>;
+
+ vcca-supply = <&reg_vdd_tsp>;
+ vdd-supply = <&pm8916_l6>;
+
+ pinctrl-0 = <&tsp_int_default>;
+ pinctrl-names = "default";
+ };
+};
+
&msmgpio {
+ reg_tsp_en_default: reg-tsp-en-default-state {
+ pins = "gpio73";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tsp_int_default: tsp-int-default-state {
+ pins = "gpio13";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
vibrator_en_default: vibrator-en-default-state {
pins = "gpio76";
function = "gpio";
--
2.38.1