On Tue, 24 Feb 2026 at 04:46, Dmitry Baryshkov <[email protected]> wrote: > > On Mon, Feb 23, 2026 at 04:24:04PM +0200, Yedaya Katsman wrote: > > 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 <[email protected]> > > Signed-off-by: Kamil Gołda <[email protected]> > > Signed-off-by: Yedaya Katsman <[email protected]> > > --- > > .../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 { > > regulator-foo-bar-baz Will change > > > + compatible = "regulator-fixed"; > > + regulator-name = "panel_ldo_supply"; > > Is it an actual name (e.g. from schematics)? In the downstream dts it's called "panel_ldo-gpio-supply". [0]
[0] https://github.com/MiCode/Xiaomi_Kernel_OpenSource/blob/d3766fc8cda2d96de2850faa9ce58e5a37ea9f9c/arch/arm64/boot/dts/qcom/trinket-sde-display.dtsi#L28 > > + 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"; > > Missing vdds-supply. Will add > > +}; > > + > > &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 > > > > -- > With best wishes > Dmitry
