From: Bjorn Andersson <bjorn.anders...@linaro.org>

The SC8280XP CRD has a EDP display on MDSS0 DP3, enable relevant nodes
and link it together with the backlight control.

Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjora...@quicinc.com>
---

Changes since v2:
- New patch on list

 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 49 ++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts 
b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 07e80dfe575d..bc906bcb26a4 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -20,7 +20,7 @@ aliases {
                serial0 = &qup2_uart17;
        };
 
-       backlight {
+       backlight: backlight {
                compatible = "pwm-backlight";
                pwms = <&pmc8280c_lpg 3 1000000>;
                enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
@@ -184,6 +184,53 @@ vreg_l9d: ldo9 {
        };
 };
 
+&dispcc0 {
+       status = "okay";
+};
+
+&mdss0 {
+       status = "okay";
+};
+
+&mdss0_dp3 {
+       compatible = "qcom,sc8280xp-edp";
+       status = "okay";
+
+       data-lanes = <0 1 2 3>;
+
+       aux-bus {
+               panel {
+                       compatible = "edp-panel";
+
+                       backlight = <&backlight>;
+
+                       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 {
+       status = "okay";
+
+       vdda-phy-supply = <&vreg_l6b>;
+       vdda-pll-supply = <&vreg_l3b>;
+};
+
 &pmc8280c_lpg {
        status = "okay";
 };
-- 
2.37.3

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