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    Subject[PATCH] arm64: dts: qcom: msm8916-samsung-a3u: add nodes for display panel
    Date
    From: Michael Srba <michael.srba@seznam.cz>

    This patch wires up display support on Samsung Galaxy A3 2015.

    Signed-off-by: Michael Srba <michael.srba@seznam.cz>

    ---
    .../qcom/msm8916-samsung-a2015-common.dtsi | 44 +++++++++++++++
    .../boot/dts/qcom/msm8916-samsung-a3u-eur.dts | 54 +++++++++++++++++++
    2 files changed, 98 insertions(+)

    diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
    index af812f76e8be..2a64aa269f52 100644
    --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
    +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
    @@ -72,6 +72,24 @@ phy {
    };
    };

    + mdss@1a00000 {
    + dsi@1a98000 {
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + vdda-supply = <&pm8916_l2>;
    + vddio-supply = <&pm8916_l6>;
    +
    + pinctrl-names = "default", "sleep";
    + pinctrl-0 = <&mdss_default>;
    + pinctrl-1 = <&mdss_sleep>;
    + };
    +
    + dsi-phy@1a98300 {
    + vddio-supply = <&pm8916_l6>;
    + };
    + };
    +
    wcnss@a21b000 {
    status = "okay";
    };
    @@ -172,6 +190,32 @@ pinconf {
    bias-disable;
    };
    };
    +
    + pmx-mdss {
    + mdss_default: mdss-default {
    + pinmux {
    + function = "gpio";
    + pins = "gpio25";
    + };
    + pinconf {
    + pins = "gpio25";
    + drive-strength = <8>;
    + bias-disable;
    + };
    + };
    +
    + mdss_sleep: mdss-sleep {
    + pinmux {
    + function = "gpio";
    + pins = "gpio25";
    + };
    + pinconf {
    + pins = "gpio25";
    + drive-strength = <2>;
    + bias-pull-down;
    + };
    + };
    + };
    };

    &smd_rpm_regulators {
    diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
    index d10f7ac5089f..b46c87289033 100644
    --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
    +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a3u-eur.dts
    @@ -7,4 +7,58 @@
    / {
    model = "Samsung Galaxy A3U (EUR)";
    compatible = "samsung,a3u-eur", "qcom,msm8916";
    +
    + reg_panel_vdd3: regulator-panel-vdd3 {
    + compatible = "regulator-fixed";
    + regulator-name = "panel_vdd3";
    + regulator-min-microvolt = <1800000>;
    + regulator-max-microvolt = <1800000>;
    +
    + gpio = <&msmgpio 9 GPIO_ACTIVE_HIGH>;
    + enable-active-high;
    +
    + pinctrl-names = "default";
    + pinctrl-0 = <&panel_vdd3_default>;
    + };
    +};
    +
    +&dsi0 {
    + panel@0 {
    + reg = <0>;
    +
    + compatible = "samsung,s6e88a0-ams452ef01";
    +
    + vdd3-supply = <&reg_panel_vdd3>;
    + vci-supply = <&pm8916_l17>;
    + reset-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>;
    +
    + port {
    + panel_in: endpoint {
    + remote-endpoint = <&dsi0_out>;
    + };
    + };
    + };
    +
    + ports {
    + port@1 {
    + dsi0_out: endpoint {
    + remote-endpoint = <&panel_in>;
    + data-lanes = <0 1>;
    + };
    + };
    + };
    +};
    +
    +&msmgpio {
    + panel_vdd3_default: panel-vdd3-default {
    + pinmux {
    + function = "gpio";
    + pins = "gpio9";
    + };
    + pinconf {
    + pins = "gpio9";
    + drive-strength = <2>;
    + bias-disable;
    + };
    + };
    };
    --
    2.24.0
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