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Mon, 08 Sep 2025 06:04:29 -0700 (PDT) From: Neil Armstrong Date: Mon, 08 Sep 2025 15:04:22 +0200 Subject: [PATCH v3 5/5] 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: <20250908-topic-x1e80100-hdmi-v3-5-c53b0f2bc2fb@linaro.org> References: <20250908-topic-x1e80100-hdmi-v3-0-c53b0f2bc2fb@linaro.org> In-Reply-To: <20250908-topic-x1e80100-hdmi-v3-0-c53b0f2bc2fb@linaro.org> To: Andrzej Hajda , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Bjorn Andersson , Konrad Dybcio Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3297; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=HrSq9QX+rRZZn6/cR+hy9Izp3f7Ikd1Wm8zLBwjaDxk=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBovtRXCAk1A5GYFI4lxepbD+HCSVr8CgQQq0D8xcF8 d7k3yNyJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCaL7UVwAKCRB33NvayMhJ0ZhND/ 9lclVjyWMFDPeiGeKHHbcI/xMBqTcupaELGi1+5gFDGmiPkp8eH6QbIIJ1DPYYTItWggZzNNuly0KB 8Ckq16igtfaJ5uoR9hBVOedkbGSKSiAu7Nb3YyPtoOQl54qhHGbHd52ASn+Y8RhSOzlHS2CfIAkMyN unEnHLMqqAa0VFgl3ozr3LHnXfxadl6MVzWEyy5anAjGdEkjaXGlYQC57tMrytmh5AYHpFVm6juUTf +sDJ72wrulwWLk1A5wGa6Fe8m+afxHNlcIjnXQVTDRiOL/sag4vIgoA/5Smi5p8vne01OwzP28CHsC bIa5GHL2z6xNLILOB/Z+NFJAsTa58hU/ZksNn6Sfcer3c8zEyK3NVVWbgiwUyJoTy2MweOJuYSgB7u OdgyxMNC5T5VyjdNuMqdAvAAAD+AJyPRTk+fLJA8B8iSkaF/ZPXRCHH0JYi9cRlV8wy43jm2n27ua9 Vf3xlxoQ2VxvLg5shxJTMBTvTdah6X6iSBeKyoCrXDLEUYOrwxr+t0Vv0M4LkWECuqtdDf7pnVgYDp VmDOE/Fp74Ehyw1XsUtSXPyqzm+P2THYGrSrsmM66wpRVVjA9B8CAigmjMLqIvJOaKIPiMW+KAP3bj FMItlozn2k37M726g5Gh6rF9TzxG+0mUKCmQynfFpwxgld+0E8Gft0j+J+WA== 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 --- .../dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 82 ++++++++++++++++++= ++++ 1 file changed, 82 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 23213b0d9582822e9503e4acf18c62d5c8c7867d..077aa71e79b548cb1f7c76d297a= 6afae717f7663 100644 --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi @@ -9,6 +9,7 @@ #include #include #include +#include #include #include =20 @@ -62,6 +63,45 @@ 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", @@ -1005,6 +1045,14 @@ &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 @@ -1264,6 +1312,12 @@ &tlmm { <72 2>, /* Secure EC I2C connection (?) */ <238 1>; /* UFS Reset */ =20 + hdmi_hpd_default: hdmi-hpd-default-state { + pins =3D "gpio126"; + function =3D "usb2_dp"; + bias-disable; + }; + eusb3_reset_n: eusb3-reset-n-state { pins =3D "gpio6"; function =3D "gpio"; @@ -1487,6 +1541,34 @@ &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 <0 1 2 3>; + 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