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Mon, 06 Oct 2025 06:55:14 -0700 (PDT) From: Neil Armstrong Date: Mon, 06 Oct 2025 15:55:05 +0200 Subject: [PATCH v5 3/3] arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: add HDMI nodes Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251006-topic-x1e80100-hdmi-v5-3-c006311d59d7@linaro.org> References: <20251006-topic-x1e80100-hdmi-v5-0-c006311d59d7@linaro.org> In-Reply-To: <20251006-topic-x1e80100-hdmi-v5-0-c006311d59d7@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 , Konrad Dybcio , Dmitry Baryshkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3047; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=wNTs0h0y/mlTB3wnqH1wfrtLFenOEC7p4UTXqV1uWNo=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBo48o/cUjUsZSkcCG90nIH9ehxl8hxHgXBaT6XRw1k 5q1v1F6JAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCaOPKPwAKCRB33NvayMhJ0dBEEA CfPiVBqXV1xL+f5SfsAoGGO2i4q7aKnPU8RUkMTt9L6vBNedhn3PeLVqNLpR44ALYAM2Bvubvlgaqo GtgOozBI0vTXblBo8Oimsu1HCu/kk5u+6ZWhQBFkIG3S58XnVKlBmtHsKu9QcMMG5peibpLUyYOhuQ GdNU6aeExvaH9de0MMLTXf6pJ5fI7TwCqKYU2mgt3p5KMpBhdopskmbY82LwalytgOBRfu4IBjAUki LFQCo2GISAg1sIqyBThaaZgUvG5s1iDwnhsZ876pFMOqoVpV1pG0dY9TZ802gXv4sXcJlZri8aTbaY Niw62PsoyXhj16YNIv8aHYDt0QmPYcilNQ35Pne/rab1K0BUnNyfYSJh2eCbGGL2WzaUqO4Ewe3dqP EGB42sRL23o1RWLYH1AoL05WxJKQ2GFW9370+W0ZoLmjVDnRN8ymIi7hGr8A/Er3hCwdyQXX2CqmqM 4K8dAGubtt6lsRcvGXFX/Q4UXemzPwhnjiL6vTe2GGI9McmUtGfoveAcH4wDjKQhYK6g0nPbWHBUqu tpV7Z1Pr0XUmmMezMrG6T1dBy41N3TclJD0jeThCa2mBtc6ZkELVvZxAoTrmMzQvuO5z6GzZeGhwGj 60Q2ESqd0wLBhTGl+IgadDRRJp7q0qQj0qJIw+NdM9+pHA7IJSMWTkWvGGSw== 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. Reviewed-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov Signed-off-by: Neil Armstrong --- .../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..7aa7ae66f49a7a179652757fd826e9d11b9b29da 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 { }; }; + hdmi-bridge { + compatible = "realtek,rtd2171"; + + 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>; + }; + }; + }; + pmic-glink { compatible = "qcom,x1e80100-pmic-glink", "qcom,sm8550-pmic-glink", @@ -1028,6 +1067,14 @@ &mdss_dp1_out { 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; @@ -1317,6 +1364,12 @@ eusb6_reset_n: eusb6-reset-n-state { output-low; }; + hdmi_hpd_default: hdmi-hpd-default-state { + pins = "gpio126"; + function = "usb2_dp"; + bias-disable; + }; + tpad_default: tpad-default-state { pins = "gpio3"; function = "gpio"; @@ -1548,6 +1601,34 @@ &usb_1_ss1_qmpphy_out { remote-endpoint = <&retimer_ss1_ss_in>; }; +&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 = <3 2 1 0>; + remote-endpoint = <&hdmi_bridge_dp_in>; + }; + + /* No USB3 lanes connected */ + }; + }; +}; + &usb_2 { status = "okay"; }; -- 2.34.1