arm64: dts: rockchip: Sync px30 from linux-next

Sync the px30 devicetree files from linux-next tree.

commit <14ce8069f48b> ("lib/stackdepot: allow optional init and
stack_table allocation by kvmalloc() - fixup3")

Note, this path even sync rk3326 files as it depends on px30.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/px30-engicam-edimm2.2.dtsi b/arch/arm/dts/px30-engicam-edimm2.2.dtsi
index cb00988..449b8eb 100644
--- a/arch/arm/dts/px30-engicam-edimm2.2.dtsi
+++ b/arch/arm/dts/px30-engicam-edimm2.2.dtsi
@@ -5,3 +5,62 @@
  */
 
 #include "px30-engicam-common.dtsi"
+
+/ {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 25000 0>;
+	};
+
+	panel {
+		compatible = "yes-optoelectronics,ytc700tlag-05-201c";
+		backlight = <&backlight>;
+		data-mapping = "vesa-24";
+		power-supply = <&vcc3v3_lcd>;
+
+		port {
+			panel_in_lvds: endpoint {
+				remote-endpoint = <&lvds_out_panel>;
+			};
+		};
+	};
+};
+
+&display_subsystem {
+	status = "okay";
+};
+
+&dsi_dphy {
+	status = "okay";
+};
+
+/* LVDS_B(secondary) */
+&lvds {
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+
+			lvds_out_panel: endpoint {
+				remote-endpoint = <&panel_in_lvds>;
+			};
+		};
+	};
+};
+
+&vopb {
+	status = "okay";
+};
+
+&vopb_mmu {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&vopl_mmu {
+	status = "okay";
+};