Define the generic R8A77970 part of the DU device node.
Based on the original (and large) patch by Daisuke Matsushita
<daisuke.matsushita.ns@hitachi.com>.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
                        resets = <&cpg 623>;
                        renesas,fcp = <&fcpvd0>;
                };
+
+               du: display@feb00000 {
+                       compatible = "renesas,du-r8a77970";
+                       reg = <0 0xfeb00000 0 0x80000>;
+                       interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 724>;
+                       clock-names = "du.0";
+                       power-domains = <&sysc R8A77970_PD_ALWAYS_ON>;
+                       resets = <&cpg 724>;
+                       vsps = <&vspd0>;
+                       status = "disabled";
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+                                       du_out_rgb: endpoint {
+                                       };
+                               };
+
+                               port@1 {
+                                       reg = <1>;
+                                       du_out_lvds0: endpoint {
+                                       };
+                               };
+                       };
+               };
        };
 
        timer {