[PATCH] arm64: dts: qcom: eliza-mtp: Enable touchscreen

[PATCH] arm64: dts: qcom: eliza-mtp: Enable touchscreen

[Abel Vesa]

The Eliza MTP uses a Goodix GT9916 touchscreen controller connected
over SPI.

Describe the controller, its power supply, interrupt and reset GPIOs to
enable touchscreen support.

Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/eliza-mtp.dts | 39 ++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/eliza-mtp.dts b/arch/arm64/boot/dts/qcom/eliza-mtp.dts
index 1374afd9d14e..64d54369a551 100644
--- a/arch/arm64/boot/dts/qcom/eliza-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/eliza-mtp.dts
@@ -479,6 +479,30 @@ &remoteproc_adsp {
 	status = "okay";
 };
 
+&spi8 {
+	status = "okay";
+
+	touchscreen@0 {
+		compatible = "goodix,gt9916";
+		reg = <0>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
+
+		reset-gpios = <&tlmm 16 GPIO_ACTIVE_LOW>;
+
+		avdd-supply = <&vreg_l22b>;
+
+		spi-max-frequency = <1000000>;
+
+		touchscreen-size-x = <1080>;
+		touchscreen-size-y = <2400>;
+
+		pinctrl-0 = <&ts_irq>, <&ts_reset>;
+		pinctrl-names = "default";
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <20 4>,   /* NFC SPI */
 			       <111 2>,  /* WCN UART1 */
@@ -504,6 +528,21 @@ mdp_vsync: mdp-vsync-state {
 		drive-strength = <2>;
 		bias-pull-down;
 	};
+
+	ts_irq: ts-irq-state {
+		pins = "gpio13";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+		output-disable;
+	};
+
+	ts_reset: ts-reset-state {
+		pins = "gpio16";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
 };
 
 &uart13 {

---
base-commit: 5c73cd9f0819c1c44e373e3dabb68318b1de1a12
change-id: 20260706-dts-qcom-eliza-mtp-enable-ts-f57e8eef6e8d

Best regards,
--  
Abel Vesa <abel.vesa@oss.qualcomm.com>

Re: [PATCH] arm64: dts: qcom: eliza-mtp: Enable touchscreen

[Dmitry Baryshkov]

On Wed, Jul 08, 2026 at 01:18:26PM +0300, Abel Vesa wrote:
> The Eliza MTP uses a Goodix GT9916 touchscreen controller connected
> over SPI.
> 
> Describe the controller, its power supply, interrupt and reset GPIOs to
> enable touchscreen support.
> 
> Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/eliza-mtp.dts | 39 ++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry

Re: [PATCH] arm64: dts: qcom: eliza-mtp: Enable touchscreen

[Konrad Dybcio]

On 7/8/26 12:18 PM, Abel Vesa wrote:
> The Eliza MTP uses a Goodix GT9916 touchscreen controller connected
> over SPI.
> 
> Describe the controller, its power supply, interrupt and reset GPIOs to
> enable touchscreen support.
> 
> Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad