arm64: dts: qcom: msm8916-samsung-a3u: add nodes for display panel

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

Signed-off-by: Michael Srba <michael.srba@seznam.cz>
Link: https://lore.kernel.org/r/20200514170129.10902-1-michael.srba@seznam.cz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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 8b5060f..86f28f3 100644 (file)
--- 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 @@
                        };
                };
 
+               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";
                };
@@ -197,6 +215,32 @@
                        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 d10f7ac..b46c872 100644 (file)
--- 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;
+               };
+       };
 };