linux-kernel - [PATCH v5 2/3] arm64: dts: qcom: x1e78100-t14s: add hpd gpio to dp controller

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

Message-Id: <20250402-wip-obbardc-qcom-t14s-oled-panel-v5-2-ff33f4d0020f@linaro.org>
Date: Wed, 02 Apr 2025 15:36:33 +0100
From: Christopher Obbard <christopher.obbard@...aro.org>
To: Douglas Anderson <dianders@...omium.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, Johan Hovold <johan@...nel.org>, 
 Rui Miguel Silva <rui.silva@...aro.org>, Abel Vesa <abel.vesa@...aro.org>, 
 devicetree@...r.kernel.org, 
 Christopher Obbard <christopher.obbard@...aro.org>
Subject: [PATCH v5 2/3] arm64: dts: qcom: x1e78100-t14s: add hpd gpio to dp
 controller

The eDP controller has an HPD GPIO. Describe it in the device tree
for the generic T14s model, as the HPD GPIO is used in both the
OLED and LCD models which inherit this device tree.

Signed-off-by: Christopher Obbard <christopher.obbard@...aro.org>
---
 arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
index 962fb050c55c4fd33f480a21a8c47a484d0c82b8..bbeb2e6f039957e443f0f6d16dc00fc62b012425 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -975,6 +975,9 @@ &mdss_dp3 {
 	compatible = "qcom,x1e80100-dp";
 	/delete-property/ #sound-dai-cells;
 
+	pinctrl-names = "default";
+	pinctrl-0 = <&edp_hpd_active>;
+
 	status = "okay";
 
 	aux-bus {

-- 
2.49.0