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[46.116.183.56]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43970bfa1bdsm18713233f8f.3.2026.02.23.06.24.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Feb 2026 06:24:16 -0800 (PST) From: Yedaya Katsman Date: Mon, 23 Feb 2026 16:24:04 +0200 Subject: [PATCH 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: 8bit Message-Id: <20260223-panel-patches-v1-3-7756209477f9@gmail.com> References: <20260223-panel-patches-v1-0-7756209477f9@gmail.com> In-Reply-To: <20260223-panel-patches-v1-0-7756209477f9@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, 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=1771856648; l=3240; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=CzJleqofENKnSdtHil5FSilRw3jXdV+MFbWEBQ/PF4k=; b=zUj0Qz+K/lwWYCkXuLWVaoqbWju0xnDdWN3TE6aNBKe+76amnI84XGVL73nBJ3j1iBB+P4Sgd NA0bUalaWdQDkR+kWvfXdu3ZX8Tr3YAU8o0GpOJfBlfU+IuPMCD47d3 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 panel. The ldo and iovcc pins boot up with a current of 16 mA, but they work fine with 2mA, so I used that. Co-developed-by: Kamil Gołda Signed-off-by: Kamil Gołda 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/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts index 994fb0412fcbdf5466f87a325c48b697a37b514b..10fd01143a644004b807fc455d2235f8e6a9737a 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 +82,32 @@ key-volume-up { }; }; + panel_ldo_supply: panel-ldo-supply { + compatible = "regulator-fixed"; + regulator-name = "panel_ldo_supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + + enable-active-high; + gpio = <&tlmm 26 GPIO_ACTIVE_HIGH>; + pinctrl-0 = <&panel_ldo_en>; + pinctrl-names = "default"; + }; + + panel_iovcc_supply: panel-iovcc-supply { + compatible = "regulator-fixed"; + regulator-name = "panel_iovcc_supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + + enable-active-high; + gpio = <&tlmm 124 GPIO_ACTIVE_HIGH>; + pinctrl-0 = <&panel_iovcc_en>; + pinctrl-names = "default"; + }; + thermal-zones { rf-pa0-thermal { thermal-sensors = <&pm6125_adc_tm 0>; @@ -128,6 +154,46 @@ &hsusb_phy1 { status = "okay"; }; +&mdss { + status = "okay"; +}; + +&mdss_dsi0 { + vdda-supply = <&vreg_l18a>; + + pinctrl-0 = <&mdss_default>; + pinctrl-1 = <&mdss_sleep>; + pinctrl-names = "default", "sleep"; + + status = "okay"; + + panel@0 { + compatible = "samsung,s6e8fco"; + reg = <0>; + + vddio-supply = <&vreg_l9a>; + ldo-supply = <&panel_ldo_supply>; + iovcc-supply = <&panel_iovcc_supply>; + reset-gpios = <&tlmm 90 GPIO_ACTIVE_LOW>; + + port { + panel_in: endpoint { + remote-endpoint = <&mdss_dsi0_out>; + }; + }; + }; +}; + +&mdss_dsi0_out { + data-lanes = <0 1 2 3>; + remote-endpoint = <&panel_in>; +}; + + +&mdss_dsi0_phy { + status = "okay"; +}; + &pm6125_adc { pinctrl-names = "default"; pinctrl-0 = <&camera_flash_therm &emmc_ufs_therm>; @@ -387,6 +453,34 @@ &sdhc_2 { &tlmm { gpio-reserved-ranges = <22 2>, <28 6>; + + panel_ldo_en: panel-ldo-default-state { + pins = "gpio26"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + + mdss_default: mdss-default-state { + pins = "gpio90"; + function = "gpio"; + drive-strength = <8>; + bias-disable; + }; + + mdss_sleep: mdss-sleep-state { + pins = "gpio90"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + panel_iovcc_en: panel-iovcc-default-state { + pins = "gpio124"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; }; &ufs_mem_hc { -- 2.53.0