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Tue, 30 Sep 2025 00:39:54 -0700 (PDT) From: Neil Armstrong Date: Tue, 30 Sep 2025 09:39:49 +0200 Subject: [PATCH v4 3/3] arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: add HDMI nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250930-topic-x1e80100-hdmi-v4-3-86a14e8a34ac@linaro.org> References: <20250930-topic-x1e80100-hdmi-v4-0-86a14e8a34ac@linaro.org> In-Reply-To: <20250930-topic-x1e80100-hdmi-v4-0-86a14e8a34ac@linaro.org> To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: Xilin Wu , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2973; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=4u/xRvsm43ERIC9SDhDBDVZyzLfWUriP1xNe0S9I9zU=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBo24lHJ7BpPNhok6jIjnY3wiCZ46nr8Kfj3b3N5c8v z47+RpiJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCaNuJRwAKCRB33NvayMhJ0Yo3EA DFBx0pl3oCucSHqRN7Qm1U0wHR3Mrw6+BYAhAtk1A/HcYdFsepg36+PknedLaizw79M3K0PXh2lXpw dgmIDxxlk3knPqL/zWBopJ2iX+kqOB/HlsnkdUFN2mN48HpVamGls2YrCQOcClYYB92u9Y//uhIqKu 8t3+SGG4QfmVaj+LWHMQlaY4nIGFWbAMy5z11p8uMoC24jG/hPtGYX4xikPggl13YOtEHKOB3lAfIS ddu/43oiQaC4EdnQOllC4dm0BHcs6hAW5Hc3cR3Uf+DqctDr7XUVcZuhWSUMhrBg4eWfgEEGW6jgSE OaBCqDCdl4nqMTRVIE6VFQKxHD9Rx8vAUC6vtTlgJSaPeEdo7G3Ngfu4Pw2Zbhq6DjJhFiQINQ9bdb KmApOwOAoeTDT7gAD6BhoVShU+18VZ7oGdCloCe+IcXs+QY4MibB0Lzc+DJno5lmGBQrcC9YnjQGVT ehckPdxxDhW7yjTXX+xYDRqpkLksczg0KNybBoZkVhdOb6vdfG4RZ+QiCZjO5y8S73YieP/F1ICVCd 0uRZT6RUXW+THs3+xIHMO7q9MSZGisa+PsjvUPqFyt+zwzxrPhUYusNbCSt2HSvCneEU6lj1AFJeF8 e+63lppzSagEEacQH9sHARNXtmsfU5Wa4WW0fywrbKv1i/Ejv8jSlxIpYe0g== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE The Thinkpad T14s embeds a transparent 4lanes DP->HDMI transceiver connected to the third QMP Combo PHY 4 lanes. Add all the data routing, disable mode switching and specify the QMP Combo PHY should be in DP-Only mode to route the 4 lanes to the underlying DP phy. Signed-off-by: Neil Armstrong Reviewed-by: Dmitry Baryshkov --- .../dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 81 ++++++++++++++++++= ++++ 1 file changed, 81 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 654cbce9d6ecb61c8a6e874d16385d66e362e439..37168b6214b21ec51918b44cc40= 0581ba8ca4cbe 100644 --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi @@ -62,6 +62,45 @@ switch-lid { }; }; =20 + hdmi-bridge { + compatible =3D "realtek,rtd2171"; + + pinctrl-0 =3D <&hdmi_hpd_default>; + pinctrl-names =3D "default"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_bridge_dp_in: endpoint { + remote-endpoint =3D <&usb_1_ss2_qmpphy_out_dp>; + }; + }; + + port@1 { + reg =3D <1>; + + hdmi_bridge_tmds_out: endpoint { + remote-endpoint =3D <&hdmi_con>; + }; + }; + }; + }; + + hdmi-connector { + compatible =3D "hdmi-connector"; + type =3D "a"; + + port { + hdmi_con: endpoint { + remote-endpoint =3D <&hdmi_bridge_tmds_out>; + }; + }; + }; + pmic-glink { compatible =3D "qcom,x1e80100-pmic-glink", "qcom,sm8550-pmic-glink", @@ -1028,6 +1067,14 @@ &mdss_dp1_out { link-frequencies =3D /bits/ 64 <1620000000 2700000000 5400000000 81000000= 00>; }; =20 +&mdss_dp2 { + status =3D "okay"; +}; + +&mdss_dp2_out { + link-frequencies =3D /bits/ 64 <1620000000 2700000000 5400000000 81000000= 00>; +}; + &mdss_dp3 { /delete-property/ #sound-dai-cells; =20 @@ -1317,6 +1364,12 @@ eusb6_reset_n: eusb6-reset-n-state { output-low; }; =20 + hdmi_hpd_default: hdmi-hpd-default-state { + pins =3D "gpio126"; + function =3D "usb2_dp"; + bias-disable; + }; + tpad_default: tpad-default-state { pins =3D "gpio3"; function =3D "gpio"; @@ -1516,6 +1569,34 @@ &usb_1_ss0_qmpphy_out { remote-endpoint =3D <&retimer_ss0_ss_in>; }; =20 +&usb_1_ss2_qmpphy { + vdda-phy-supply =3D <&vreg_l2j_1p2>; + vdda-pll-supply =3D <&vreg_l2d_0p9>; + + /delete-property/ mode-switch; + /delete-property/ orientation-switch; + + status =3D "okay"; + + ports { + port@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + /delete-node/ endpoint; + + usb_1_ss2_qmpphy_out_dp: endpoint@0 { + reg =3D <0>; + + data-lanes =3D <3 2 1 0>; + remote-endpoint =3D <&hdmi_bridge_dp_in>; + }; + + /* No USB3 lanes connected */ + }; + }; +}; + &usb_1_ss1_hsphy { vdd-supply =3D <&vreg_l3j_0p8>; vdda12-supply =3D <&vreg_l2j_1p2>; --=20 2.34.1