linux-kernel - [PATCH] arm64: dts: qcom: qcm6490-fairphone-fp5: Add touchscreen node

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Message-Id: <20250311-fp5-touchscreen-v1-1-4d80ad3e4dfc@fairphone.com>
Date: Tue, 11 Mar 2025 09:23:39 +0100
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Jens Reidel <adrian@...nlining.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH] arm64: dts: qcom: qcm6490-fairphone-fp5: Add touchscreen
 node

Add a node for the GT9897 touchscreen found on this smartphone connected
via SPI.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
The series adding support for this chip (incl. dt-bindings) has been
applied on 2025-03-10 to the input tree:
https://web.git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/log/?h=next
---
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index 356cee8aeba90e21c11f46df924ed180bfce3160..35ce9dfca6f092a88d8873673ff57b591e210b02 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -1069,7 +1069,18 @@ &sdhc_2 {
 &spi13 {
 	status = "okay";
 
-	/* Goodix touchscreen @ 0 */
+	touchscreen@0 {
+		compatible = "goodix,gt9897";
+		reg = <0>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <81 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&tlmm 105 GPIO_ACTIVE_LOW>;
+		avdd-supply = <&vreg_l3c>;
+		vddio-supply = <&vreg_l2c>;
+		spi-max-frequency = <1000000>;
+		touchscreen-size-x = <1224>;
+		touchscreen-size-y = <2700>;
+	};
 };
 
 &tlmm {

---
base-commit: 93498f5ea4d0415cb5a95680224335651580cf08
change-id: 20250203-fp5-touchscreen-cc6960134dab

Best regards,
-- 
Luca Weiss <luca.weiss@...rphone.com>