From 67ce203eee94946768397a6fa16c43ee5292f31a Mon Sep 17 00:00:00 2001 From: Jens Glathe Date: Sat, 3 Jan 2026 10:00:24 +0100 Subject: [PATCH] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin Add TLMM 120 for hdmi bridge enable. In general this is the same setup as on the T14s. Since its using simple-bridge and also is Lenovo, we also use the same realtek,rtd2171 compatible. The real chip identity is not known yet. The bridge is wired with un-swapped lanes, though. Signed-off-by: Jens Glathe Link: https://lore.kernel.org/r/20260103-tb16-hdmi-v2-2-92b0930fa82e@oldschoolsolutions.biz Signed-off-by: Bjorn Andersson --- .../dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts index b4a40904f0a01..1e5eb8c5dc988 100644 --- a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts +++ b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts @@ -78,6 +78,47 @@ vdd-supply = <&vreg_cam_5p0>; }; + hdmi-bridge { + compatible = "realtek,rtd2171"; + + enable-gpios = <&tlmm 120 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&hdmi_hpd_default>; + pinctrl-names = "default"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + hdmi_bridge_dp_in: endpoint { + remote-endpoint = <&usb_1_ss2_qmpphy_out_dp>; + }; + }; + + port@1 { + reg = <1>; + + hdmi_bridge_tmds_out: endpoint { + remote-endpoint = <&hdmi_con>; + }; + }; + }; + }; + + hdmi-connector { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi_con: endpoint { + remote-endpoint = <&hdmi_bridge_tmds_out>; + }; + }; + }; + gpio-keys { compatible = "gpio-keys"; @@ -1038,6 +1079,14 @@ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>; }; +&mdss_dp2 { + status = "okay"; +}; + +&mdss_dp2_out { + link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>; +}; + &mdss_dp3 { /delete-property/ #sound-dai-cells; @@ -1327,6 +1376,19 @@ bias-disable; }; + hdmi_bridge_en: hdmi-bridge-en-state { + pins = "gpio120"; + function = "gpio"; + drive-strength = <16>; + bias-pull-down; + }; + + hdmi_hpd_default: hdmi-hpd-default-state { + pins = "gpio126"; + function = "usb2_dp"; + bias-disable; + }; + kybd_default: kybd-default-state { pins = "gpio67"; function = "gpio"; @@ -1573,6 +1635,32 @@ status = "okay"; }; +&usb_1_ss2_qmpphy { + vdda-phy-supply = <&vreg_l2j_1p2>; + vdda-pll-supply = <&vreg_l2d_0p9>; + + /delete-property/ mode-switch; + /delete-property/ orientation-switch; + + status = "okay"; + + ports { + port@0 { + #address-cells = <1>; + #size-cells = <0>; + + /delete-node/ endpoint; + + usb_1_ss2_qmpphy_out_dp: endpoint@0 { + reg = <0>; + + data-lanes = <0 1 2 3>; + remote-endpoint = <&hdmi_bridge_dp_in>; + }; + }; + }; +}; + &usb_2 { status = "okay"; }; -- 2.47.3