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Wed, 19 Nov 2025 00:45:46 -0800 (PST) From: Neil Armstrong Date: Wed, 19 Nov 2025 09:45:42 +0100 Subject: [PATCH v7 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: <20251119-topic-x1e80100-hdmi-v7-3-2bee0e66cc1b@linaro.org> References: <20251119-topic-x1e80100-hdmi-v7-0-2bee0e66cc1b@linaro.org> In-Reply-To: <20251119-topic-x1e80100-hdmi-v7-0-2bee0e66cc1b@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 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2991; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=EQkZbUbehBlz9QkQWwXWXJ+x8l8K74TOqrJoFoU/WoQ=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBpHYO3mRlyFCY2y0BUwQ9IwLf0oNuk+8Tqj1ybUEh0 qyU4SqSJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCaR2DtwAKCRB33NvayMhJ0anJD/ 4p0T2A2uDd0U4as/4N4EIjglgXQq+XBwwKEa7Ru3Yvjum9pzQjEzKozeTiO9PJWQLKYtvEGQm6x5VN FzG1fdYUJf5jpErnRnhSi6VPnu+wiayQ8QBM7bzhYCINTjTXLajqXZBoG75EfC+CdRoan/Obexvpgt fA/5gH+Y5jN77sM2zL48BT25RhGZ8E/lkUHNk1JWoAFB0KoJ1tYuzzg4lzgpAAfHlxECsbiX+Y0ndc vq4iW4EIVE0CUZydCJWLf3mroRJSKnYhhtOTb628q5C55wgCiUrXMFre1CsyVmpqoABk4LPCGZ8vQP KRDuxnGyoGZUnfvCDtP7si3KHRKDwGYT0hSfZNFuaUQBgQOaqBFEHrGSiRisrrhHl0oC2Izh3yWjxh +xdKplM5PNl9F0zbCdrR4+tWXeF3l9dYVq3s9Zgh4sxANz1yy3ukQJQ9I4ptZKmmHULKL7wEZzm7GZ Tgq4YiStBPduK7W9MrpB4DF0+wlwgVaDJi1pHRsQsfoXTYm3E+Bj3ieqoq4GjfH4R81hWhGHGQUrVL RCbAMgWjJILDHWEBwiUS+vT0m6s5NnUivfCJKEzzouVI5FZOtJTUV4Hoo4tEerFAcczFm0OZA8qXQZ GMEM52qg8QOvdi3/YFHwIvPhleV2M0FQrXLuB+HwA/UPEeFfZYfQLn/PbMhg== 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 80ece9db875a..5009898313f4 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"; @@ -1548,6 +1601,34 @@ &usb_1_ss1_qmpphy_out { remote-endpoint =3D <&retimer_ss1_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_2 { status =3D "okay"; }; --=20 2.34.1