[PATCH v2 3/4] arm64: dts: qcom: msm8998-fxtec-pro1: Add Goodix GT9286 touchscreen

From: AngeloGioacchino Del Regno
Date: Thu Sep 09 2021 - 10:17:31 EST


This smartphone has a Goodix GT8296 touch IC, reachable at address
0x14 on blsp2 i2c-1.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
---
.../boot/dts/qcom/msm8998-fxtec-pro1.dts | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts b/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts
index d44250f09965..deabb00758e3 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts
+++ b/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts
@@ -122,6 +122,33 @@ ramoops@ffc00000 {
record-size = <0x10000>;
};
};
+
+ ts_vio_vreg: ts-vio-vreg {
+ compatible = "regulator-fixed";
+ regulator-name = "ts_vio_reg";
+ startup-delay-us = <2>;
+ enable-active-high;
+ gpio = <&tlmm 81 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ts_vio_default>;
+ regulator-always-on;
+ };
+};
+
+&blsp2_i2c1 {
+ status = "ok";
+
+ touchscreen@14 {
+ compatible = "goodix,gt9286";
+ reg = <0x14>;
+ interrupt-parent = <&tlmm>;
+ interrupts = <125 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&tlmm 89 GPIO_ACTIVE_HIGH>;
+ AVDD28-supply = <&vreg_l28_3p0>;
+ VDDIO-supply = <&ts_vio_vreg>;
+ pinctrl-names = "active";
+ pinctrl-0 = <&ts_rst_n>, <&ts_int_n>;
+ };
};

&mmcc {
@@ -178,6 +205,20 @@ mdp_vsync_n: mdp-vsync-n {
drive-strength = <2>;
};

+ ts_vio_default: ts-vio-def {
+ pins = "gpio81";
+ function = "gpio";
+ bias-disable;
+ drive-strength = <2>;
+ };
+
+ ts_rst_n: ts-rst-n {
+ pins = "gpio89";
+ function = "gpio";
+ bias-pull-up;
+ drive-strength = <8>;
+ };
+
hall_sensor1_default: hall-sensor1-def {
pins = "gpio124";
function = "gpio";
@@ -185,6 +226,13 @@ hall_sensor1_default: hall-sensor1-def {
drive-strength = <2>;
input-enable;
};
+
+ ts_int_n: ts-int-n {
+ pins = "gpio125";
+ function = "gpio";
+ bias-disable;
+ drive-strength = <8>;
+ };
};

&ufshc {
--
2.32.0