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Thu, 19 Feb 2026 22:35:45 -0800 (PST) Received: from hu-botlagun-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3589d83096dsm2007728a91.9.2026.02.19.22.35.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Feb 2026 22:35:45 -0800 (PST) From: Gopi Botlagunta Date: Fri, 20 Feb 2026 12:05:26 +0530 Subject: [PATCH] arm64: dts: qcom: Enable lvds panel-DV215FHM-R01 for monaco-evk Mezzanine 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: <20260220-enable_rb4_lvds-v1-1-c6296ef9ccdb@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIAK0AmGkC/3WQzW6DMBCEXyXyuUb2AjbOKe9RRWht1sUtPw0G1 Cri3WtIe0svK81K+83O3FmkKVBk59OdTbSGGMYhCflyYq7F4Y14aJJmIEAJkIbTgLajerJF3a1 N5I123oDNhS2RpavPiXz4Ooiv14ee6LYk8PxYsp5ixAN8Pv1ihRR5BTIrpDIc+NIn58y1LTV4G WPMbgt2buz7LI3d5AlCCyNMWWZQFKrQgkueTF2NPX604R0vuwqD+yNYjMR3ZJhTWhQVGAMavfW kysKpHMgCaW085tD4CkorFNsDtSHO4/R9NLbKI9G/5awy/QHCSyeN0co8SXPdtu0HpX/i8IYBA AA= X-Change-ID: 20260219-enable_rb4_lvds-d7cf92b30b5a To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com, jessica.zhang@oss.qualcomm.com, Gopi Botlagunta X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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LT9211c is powered by default with reset gpio connected to 66. Signed-off-by: Gopi Botlagunta --- arch/arm64/boot/dts/qcom/monaco-evk-mezzanine.dtso | 117 +++++++++++++++++= ++++ 1 file changed, 117 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk-mezzanine.dtso b/arch/arm6= 4/boot/dts/qcom/monaco-evk-mezzanine.dtso index 701494d4dd7f..2512bdfbadbf 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk-mezzanine.dtso +++ b/arch/arm64/boot/dts/qcom/monaco-evk-mezzanine.dtso @@ -11,6 +11,58 @@ &{/} { model =3D "Qualcomm Technologies, Inc. Monaco-EVK Mezzanine"; =20 + panel_lvds: panel-lvds@0 { + compatible =3D "panel-lvds"; + data-mapping =3D "vesa-24"; + width-mm =3D <476>; + height-mm =3D <268>; + + status =3D "okay"; + + panel-timing { + clock-frequency =3D <148500000>; + hactive =3D <1920>; + vactive =3D <1080>; + hfront-porch =3D <88>; + hback-porch =3D <148>; + hsync-len =3D <44>; + vfront-porch =3D <4>; + vback-porch =3D <36>; + vsync-len =3D <5>; + de-active =3D <1>; + }; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + dual-lvds-odd-pixels; + panel_in_lvds_odd: endpoint { + remote-endpoint =3D <<9211c_out_odd>; + }; + }; + + port@1 { + reg =3D <1>; + dual-lvds-even-pixels; + panel_in_lvds_even: endpoint { + remote-endpoint =3D <<9211c_out_even>; + }; + }; + }; + }; + + lcd_disp_bias: regulator-lcd-disp-bias { + compatible =3D "regulator-fixed"; + regulator-name =3D "lcd_disp_bias"; + regulator-min-microvolt =3D <5500000>; + regulator-max-microvolt =3D <5500000>; + gpio =3D <&expander3 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + vreg_0p9: regulator-vreg-0p9 { compatible =3D "regulator-fixed"; regulator-name =3D "VREG_0P9"; @@ -70,6 +122,51 @@ vreg_sys_pwr: regulator-vreg-sys-pwr { }; }; =20 +&i2c8 { + qcom,load-firmware; + qcom,xfer-mode =3D <1>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&qup_i2c8_data_clk>; + + status =3D "okay"; + + lt9211c_codec: lvds-bridge@2d { + compatible =3D "lontium,lt9211c"; + reg =3D <0x2d>; + reset-gpios =3D <&tlmm 66 GPIO_ACTIVE_HIGH>; + vcc-supply =3D <&vreg_l5a>; + + status =3D "okay"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + lt9211c_in: endpoint { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <&mdss_dsi0_out>; + }; + }; + + port@2 { + reg =3D <2>; + lt9211c_out_odd: endpoint { + remote-endpoint =3D <&panel_in_lvds_odd>; + }; + }; + + port@3 { + reg =3D <3>; + lt9211c_out_even: endpoint { + remote-endpoint =3D <&panel_in_lvds_even>; + }; + }; + }; + }; +}; + &i2c15 { #address-cells =3D <1>; #size-cells =3D <0>; @@ -89,6 +186,26 @@ nvmem-layout { }; }; =20 +&mdss { + status =3D "okay"; +}; + +&mdss_dsi0 { + vdda-supply =3D <&vreg_l5a>; + power-supply =3D <&lcd_disp_bias>; + status =3D "okay"; +}; + +&mdss_dsi0_out { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <<9211c_in>; +}; + +&mdss_dsi0_phy { + vdds-supply =3D <&vreg_l4a>; + status =3D "okay"; +}; + &pcie0 { iommu-map =3D <0x0 &pcie_smmu 0x0 0x1>, <0x100 &pcie_smmu 0x1 0x1>, --- base-commit: 1a0829927afbfe654c632eb2e779fa32df825b06 change-id: 20260219-enable_rb4_lvds-d7cf92b30b5a prerequisite-message-id: 20260210103821.4169-2-umang.chheda@oss.qualcomm.com prerequisite-patch-id: c38266562544ebe10eb4e6d771665c66fd319cab prerequisite-message-id: 20260217090955.2446470-1-quic_amakhija@quicinc.com prerequisite-patch-id: a50422285e837760143af6bdfcc6f64d38525752 prerequisite-patch-id: 7bd948199c6ff8d6feec941e2dd4f4266e5ab39b Best regards, --=20 Gopi Botlagunta