Enable the eDP display on MDSS0 DP3, including backlight control. Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> --- This one depends on the sc8280xp display patches: https://lore.kernel.org/lkml/20230111035906.2975494-1-quic_bjorande@xxxxxxxxxxx/T/#mbcdfc826df6683a71d80bab5d86645ba81b02d52 Johan .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 75 ++++++++++++++++++- 1 file changed, 73 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index 23c1ca44ec11..ef17ef90d1f0 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -47,7 +47,7 @@ wcd938x: audio-codec { #sound-dai-cells = <1>; }; - backlight { + backlight: backlight { compatible = "pwm-backlight"; pwms = <&pmc8280c_lpg 3 1000000>; enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>; @@ -72,6 +72,22 @@ switch-lid { }; }; + vreg_edp_3p3: regulator-edp-3p3 { + compatible = "regulator-fixed"; + + regulator-name = "VCC3LCD"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_reg_en>; + + regulator-boot-on; + }; + vreg_edp_bl: regulator-edp-bl { compatible = "regulator-fixed"; @@ -259,7 +275,6 @@ vreg_l6b: ldo6 { regulator-max-microvolt = <880000>; regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; regulator-boot-on; - regulator-always-on; /* FIXME: VDD_A_EDP_0_0P9 */ }; }; @@ -340,6 +355,55 @@ vreg_l9d: ldo9 { }; }; +&dispcc0 { + status = "okay"; +}; + +&mdss0 { + status = "okay"; +}; + +&mdss0_dp3 { + compatible = "qcom,sc8280xp-edp"; + + data-lanes = <0 1 2 3>; + + status = "okay"; + + aux-bus { + panel { + compatible = "edp-panel"; + + backlight = <&backlight>; + power-supply = <&vreg_edp_3p3>; + + ports { + port { + edp_panel_in: endpoint { + remote-endpoint = <&mdss0_dp3_out>; + }; + }; + }; + }; + }; + + ports { + port@1 { + reg = <1>; + mdss0_dp3_out: endpoint { + remote-endpoint = <&edp_panel_in>; + }; + }; + }; +}; + +&mdss0_dp3_phy { + vdda-phy-supply = <&vreg_l6b>; + vdda-pll-supply = <&vreg_l3b>; + + status = "okay"; +}; + &pcie2a { perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; @@ -902,6 +966,13 @@ hastings_reg_en: hastings-reg-en-state { &tlmm { gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>; + edp_reg_en: edp-reg-en-state { + pins = "gpio25"; + function = "gpio"; + drive-strength = <16>; + bias-disable; + }; + hall_int_n_default: hall-int-n-state { pins = "gpio107"; function = "gpio"; -- 2.38.2