[PATCH v5 3/3] arm64: dts: qcom: sdm845-google: Add STM FTS touchscreen support

[David Heidelberg via B4 Relay]

From: Petr Hodina <petr.hodina at protonmail.com>

Basic touchscreen connected to second i2c bus.

Signed-off-by: Petr Hodina <petr.hodina at protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
Co-developed-by: David Heidelberg <david at ixit.cz>
Signed-off-by: David Heidelberg <david at ixit.cz>
---
 arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts | 19 ++++++++++++++++++-
 arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi  |  2 +-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts b/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
index fa89be500fb85..51c835dca43f1 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
@@ -21,17 +21,34 @@ &framebuffer0 {
 	stride = <(1080 * 4)>;
 };
 
 &i2c2 {
 	clock-frequency = <1000000>;
 
 	status = "okay";
 
-	/* ST,FTS @ 49 */
+	touchscreen at 49 {
+		compatible = "st,stmfts5";
+		reg = <0x49>;
+
+		pinctrl-0 = <&touchscreen_irq_n>, <&touchscreen_reset>;
+		pinctrl-names = "default";
+
+		interrupts-extended = <&tlmm 125 IRQ_TYPE_LEVEL_LOW>;
+
+		mode-switch-gpios = <&tlmm 136 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
+
+		avdd-supply = <&vreg_l19a_3p3>;
+		vdd-supply = <&vreg_l14a_1p8>;
+
+		touchscreen-size-x = <1080>;
+		touchscreen-size-y = <2160>;
+	};
 };
 
 &mdss_dsi0 {
 	vdda-supply = <&vdda_mipi_dsi0_1p2>;
 
 	status = "okay";
 
 	panel at 0 {
diff --git a/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
index 9368fd6b87515..bd3b5d7b7396e 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
@@ -492,17 +492,17 @@ nfc_enable_default: nfc-enable-default-state {
 
 	touchscreen_reset: ts-reset-state {
 		pins = "gpio99";
 		function = "gpio";
 		drive-strength = <8>;
 		bias-pull-up;
 	};
 
-	touchscreen_pins: ts-pins-gpio-state {
+	touchscreen_irq_n: ts-irq-n-gpio-state {
 		pins = "gpio125";
 		function = "gpio";
 		drive-strength = <2>;
 		bias-disable;
 	};
 
 	touchscreen_i2c_pins: qup-i2c2-gpio-state {
 		pins = "gpio27", "gpio28";

-- 
2.55.0