diff mbox series

[v3,1/2] arm64: dts: qcom: x1e78100-t14s: add hpd gpio to eDP panel

Message ID 20250327-wip-obbardc-qcom-t14s-oled-panel-v3-1-45d5f2747398@linaro.org (mailing list archive)
State New
Headers show
Series Add support for OLED panel used on Snapdragon Lenovo T14s Gen6 | expand

Commit Message

Christopher Obbard March 27, 2025, 4:56 p.m. UTC
The eDP panel has an HPD GPIO. Describe it in the device tree
for the generic T14s model, as the HPD GPIO property is used in
both the OLED and LCD models which inherit this device tree.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Christopher Obbard <christopher.obbard@linaro.org>
---
 arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Dmitry Baryshkov March 27, 2025, 6:18 p.m. UTC | #1
On Thu, Mar 27, 2025 at 04:56:53PM +0000, Christopher Obbard wrote:
> The eDP panel has an HPD GPIO. Describe it in the device tree
> for the generic T14s model, as the HPD GPIO property is used in
> both the OLED and LCD models which inherit this device tree.
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Signed-off-by: Christopher Obbard <christopher.obbard@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 11 +++++++++++
>  1 file changed, 11 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

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

Patch

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..46c73f5c039ed982b553636cf8c4237a20ba7687 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -980,8 +980,12 @@  &mdss_dp3 {
 	aux-bus {
 		panel: panel {
 			compatible = "edp-panel";
+			hpd-gpios = <&tlmm 119 GPIO_ACTIVE_HIGH>;
 			power-supply = <&vreg_edp_3p3>;
 
+			pinctrl-0 = <&edp_hpd_n_default>;
+			pinctrl-names = "default";
+
 			port {
 				edp_panel_in: endpoint {
 					remote-endpoint = <&mdss_dp3_out>;
@@ -1286,6 +1290,13 @@  hall_int_n_default: hall-int-n-state {
 		bias-disable;
 	};
 
+	edp_hpd_n_default: edp-hpd-n-state {
+		pins = "gpio119";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	pcie4_default: pcie4-default-state {
 		clkreq-n-pins {
 			pins = "gpio147";