linux-kernel - [PATCH] arm64: dts: qcom: sm8550-qrd: enable Touchscreen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240131-topic-sm8550-upstream-qrd8550-touch-v1-1-007f61158aa8@linaro.org>
Date: Wed, 31 Jan 2024 12:58:34 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sm8550-qrd: enable Touchscreen

Add Goodix Berlin touchscreen controller node for the SM8550 QRD
connected to the SPI4 controller.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 42 +++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index d401d63e5c4d..4c0a863024da 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -724,6 +724,10 @@ &gcc {
 		 <&usb_dp_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
 };
 
+&gpi_dma1 {
+	status = "okay";
+};
+
 &gpu {
 	status = "okay";
 
@@ -960,6 +964,30 @@ south_spkr: speaker@0,1 {
 	};
 };
 
+&spi4 {
+	status = "okay";
+
+	touchscreen@0 {
+		compatible = "goodix,gt9916";
+		reg = <0>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+
+		reset-gpios = <&tlmm 24 GPIO_ACTIVE_LOW>;
+
+		avdd-supply = <&vreg_l14b_3p2>;
+
+		spi-max-frequency = <1000000>;
+
+		touchscreen-size-x = <1080>;
+		touchscreen-size-y = <2400>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ts_irq>, <&ts_reset>;
+	};
+};
+
 &swr1 {
 	status = "okay";
 
@@ -1028,6 +1056,20 @@ sde_te_suspend: sde-te-suspend-state {
 		bias-pull-down;
 	};
 
+	ts_irq: ts-irq-state {
+		pins = "gpio25";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	ts_reset: ts-reset-state {
+		pins = "gpio24";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
 	wcd_default: wcd-reset-n-active-state {
 		pins = "gpio108";
 		function = "gpio";

---
base-commit: 06f658aadff0e483ee4f807b0b46c9e5cba62bfa
change-id: 20240131-topic-sm8550-upstream-qrd8550-touch-a59df5250c07

Best regards,
-- 
Neil Armstrong <neil.armstrong@...aro.org>