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[89.139.129.65]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439fe22529csm7058657f8f.31.2026.03.12.04.55.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2026 04:55:19 -0700 (PDT) From: Yedaya Katsman Date: Thu, 12 Mar 2026 13:55:10 +0200 Subject: [PATCH v3 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: <20260312-panel-patches-v3-3-6ed8c006d0be@gmail.com> References: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> In-Reply-To: <20260312-panel-patches-v3-0-6ed8c006d0be@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 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 X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773316510; l=3281; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=NMCnP+Vn9CRSuVMeCq9y74f40B8hugn2Hc7oZ++rEeU=; b=zYQWzhpTIbcPuQxsdVMDtlcN2tNPR5qKgoIzLDC0rIWjSAqELBfMLtEVOHPJOL/SQ8qRsoKW9 Smzws947TVODHaZhvs3rlnKeuJQ2+EYh2xyXsAULJ9eu1Q/gv7/D9Q3 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 S6E8FCO 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. Co-developed-by: Kamil Go=C5=82da Signed-off-by: Kamil Go=C5=82da Signed-off-by: Yedaya Katsman Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio --- .../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..878b7cab479fb173bbc01ffb653= e306e52cae54b 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_vddi_1p8: regulator-panel-vddi { + compatible =3D "regulator-fixed"; + regulator-name =3D "panel_vddi_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_vddi_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,s6e8fco-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"; + + vddi-supply =3D <&panel_vddi_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_vddi_1p8_en: panel-vddi-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