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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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