[PATCH v1 1/2] ARM64: dts: qcom: enable eDP panel support for sc7280

From: Sankeerth Billakanti
Date: Mon Jan 24 2022 - 13:15:47 EST


Enable the eDP display panel support with backlight on sc7280 platform.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc7280-crd.dts | 127 ++++++++++++++++++++++++++++++++
1 file changed, 127 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
index cd2755c..fde6f75 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
@@ -64,6 +64,47 @@ ap_ts_pen_1v8: &i2c13 {
};
};

+&mdss {
+ status = "okay";
+};
+
+&mdss_mdp {
+ status = "okay";
+};
+
+&mdss_edp {
+ status = "okay";
+
+ vdda-1p2-supply = <&vreg_l6b_1p2>;
+ vdda-0p9-supply = <&vreg_l10c_0p8>;
+
+ ports {
+ port@1 {
+ reg = <1>;
+ edp_out: endpoint {
+ remote-endpoint = <&edp_panel_in>;
+ };
+ };
+ };
+};
+
+&mdss_edp_phy {
+ status = "okay";
+
+ vdda-1p2-supply = <&vreg_l6b_1p2>;
+ vdda-0p9-supply = <&vreg_l10c_0p8>;
+};
+
+&mdss_dp {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&dp_hot_plug_det>;
+ data-lanes = <0 1>;
+ vdda-1p2-supply = <&vreg_l6b_1p2>;
+ vdda-0p9-supply = <&vreg_l1b_0p8>;
+};
+
&nvme_3v3_regulator {
gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>;
};
@@ -72,7 +113,93 @@ ap_ts_pen_1v8: &i2c13 {
pins = "gpio51";
};

+&pm8350c_pwm{
+ status = "okay";
+};
+
+&pm8350c_gpios {
+ backlight_pwm_default: backlight_pwm_default {
+ pinconf {
+ pins = "gpio8";
+ function = "func1";
+ output-low;
+ bias-disable;
+ power-source = <0>;
+ qcom,drive-strength = <3>;
+ };
+ };
+};
+
+&soc {
+ backlight_power: backlight_power {
+ compatible = "regulator-fixed";
+ regulator-name = "backlight_power";
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ edp_power: edp_power {
+ compatible = "regulator-fixed";
+ regulator-name = "edp_power";
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&tlmm 80 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&edp_panel_power_default>;
+ };
+
+ edp_backlight: edp_backlight {
+ compatible = "pwm-backlight";
+
+ pwms = <&pm8350c_pwm 3 65535>;
+ power-supply = <&backlight_power>;
+ enable-gpio = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&backlight_pwm_default>;
+ };
+
+ edp_panel: edp_panel {
+ compatible = "sharp_lq140m1jw46";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&edp_hot_plug_det>;
+
+ power-supply = <&edp_power>;
+ backlight = <&edp_backlight>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ edp_panel_in: endpoint {
+ remote-endpoint = <&edp_out>;
+ };
+ };
+ };
+ };
+};
+
&tlmm {
+ edp_hot_plug_det: edp-hot-plug-det {
+ pins = "gpio60";
+ function = "edp_hot";
+ bias-pull-down;
+ input-enable;
+ };
+
+ edp_panel_power_default: edp_panel_power_default {
+ pins = "gpio80";
+ function = "gpio";
+ drive-strength = <2>;
+ output-high;
+ };
+
tp_int_odl: tp-int-odl {
pins = "gpio7";
function = "gpio";
--
2.7.4