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[89.139.129.65]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-486f8b1fe65sm130648835e9.5.2026.03.20.07.41.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 07:41:53 -0700 (PDT) From: Yedaya Katsman Date: Fri, 20 Mar 2026 16:41:40 +0200 Subject: [PATCH v7 3/3] arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: Enable MDSS and add panel 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: <20260320-panel-patches-v7-3-3eaefc4b3878@gmail.com> References: <20260320-panel-patches-v7-0-3eaefc4b3878@gmail.com> In-Reply-To: <20260320-panel-patches-v7-0-3eaefc4b3878@gmail.com> To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Kamil_Go=C5=82da?= , Bjorn Andersson , Konrad Dybcio , Kaustabh Chakraborty Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Yedaya Katsman , Dmitry Baryshkov , Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774017703; l=3473; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=z5cWtDke+sL8Ldiyo6ylOZz0UVt/fRNgwxPdkXOleNc=; b=WHY8+9XaoSxSSE2KQ2TOtpn78+34uCdIC1zeND3T4ovWS7EtUwqQymYR6bvjCFI+7j0eI9ZtF q5GKppG0j2nAzqcPps59vM1DfETVxG+iVYZ/oK+XO4vs6YBnjp05RIn X-Developer-Key: i=yedaya.ka@gmail.com; a=ed25519; pk=CgNmxD3tYSws5dZfpmJfc6re/bV/f47veVijddHLytk= Enable the MDSS nodes and add supplies and bindings for the Samsung S6E8FC0 DSI controller for the M1906F9 panel. The ldo and iovcc gpio pins boot up with a current of 16 mA, but they work fine with 2mA, so I used that. mdss_dsi0_phy is powered by VDD_MX, see power-domains in sm6125.dtsi Co-developed-by: Kamil Go=C5=82da Signed-off-by: Kamil Go=C5=82da Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Yedaya Katsman --- .../boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts | 94 ++++++++++++++++++= ++++ 1 file changed, 94 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts b/arc= h/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts index 994fb0412fcbdf5466f87a325c48b697a37b514b..6eb46967712554929ab68af6f32= 18396b7f0118e 100644 --- a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts +++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts @@ -82,6 +82,33 @@ key-volume-up { }; }; =20 + panel_vdd_1p8: regulator-panel-vdd { + compatible =3D "regulator-fixed"; + regulator-name =3D "panel_vdd_1p8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-boot-on; + vin-supply =3D <&vreg_l9a>; + + enable-active-high; + gpio =3D <&tlmm 26 GPIO_ACTIVE_HIGH>; + pinctrl-0 =3D <&panel_vdd_1p8_en>; + pinctrl-names =3D "default"; + }; + + panel_vci_3p0: regulator-panel-vci { + compatible =3D "regulator-fixed"; + regulator-name =3D "panel_vci_3p0"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-boot-on; + + enable-active-high; + gpio =3D <&tlmm 124 GPIO_ACTIVE_HIGH>; + pinctrl-0 =3D <&panel_vci_3p0_en>; + pinctrl-names =3D "default"; + }; + thermal-zones { rf-pa0-thermal { thermal-sensors =3D <&pm6125_adc_tm 0>; @@ -128,6 +155,45 @@ &hsusb_phy1 { status =3D "okay"; }; =20 +&mdss { + status =3D "okay"; +}; + +&mdss_dsi0 { + vdda-supply =3D <&vreg_l18a>; + status =3D "okay"; + + panel@0 { + compatible =3D "samsung,s6e8fc0-m1906f9"; + reg =3D <0>; + + reset-gpios =3D <&tlmm 90 GPIO_ACTIVE_LOW>; + + pinctrl-0 =3D <&mdss_default>; + pinctrl-1 =3D <&mdss_sleep>; + pinctrl-names =3D "default", "sleep"; + + vdd-supply =3D <&panel_vdd_1p8>; + vci-supply =3D <&panel_vci_3p0>; + + port { + panel_in: endpoint { + remote-endpoint =3D <&mdss_dsi0_out>; + }; + }; + }; +}; + +&mdss_dsi0_out { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <&panel_in>; +}; + + +&mdss_dsi0_phy { + status =3D "okay"; +}; + &pm6125_adc { pinctrl-names =3D "default"; pinctrl-0 =3D <&camera_flash_therm &emmc_ufs_therm>; @@ -387,6 +453,34 @@ &sdhc_2 { =20 &tlmm { gpio-reserved-ranges =3D <22 2>, <28 6>; + + panel_vdd_1p8_en: panel-vdd-default-state { + pins =3D "gpio26"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-up; + }; + + mdss_default: mdss-default-state { + pins =3D "gpio90"; + function =3D "gpio"; + drive-strength =3D <8>; + bias-disable; + }; + + mdss_sleep: mdss-sleep-state { + pins =3D "gpio90"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + panel_vci_3p0_en: panel-vci-default-state { + pins =3D "gpio124"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-up; + }; }; =20 &ufs_mem_hc { --=20 2.53.0