ARM: dts: renesas: r8a7794: Add FDP1 instances

The r8a7794 has one FDP1 instance.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7794.dtsi

@@ -1323,6 +1323,15 @@ vsp@fe930000 {
 			resets = <&cpg 128>;
 		};
 
+		fdp1@fe940000 {
+			compatible = "renesas,fdp1";
+			reg = <0 0xfe940000 0 0x2400>;
+			interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 119>;
+			power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
+			resets = <&cpg 119>;
+		};
+
 		du: display@feb00000 {
 			compatible = "renesas,du-r8a7794";
 			reg = <0 0xfeb00000 0 0x40000>;