ARM: shmobile: r8a7794: add VIN DT support

Define the generic R8A7794 part of the VIN[01] device nodes. Add aliases for
the VIN[01] device nodes.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7794.dtsi

@@ -27,6 +27,8 @@ aliases {
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		spi0 = &qspi;
+		vin0 = &vin0;
+		vin1 = &vin1;
 	};
 
 	cpus {
@@ -628,6 +630,24 @@ qspi: spi@e6b10000 {
 		status = "disabled";
 	};
 
+	vin0: video@e6ef0000 {
+		compatible = "renesas,vin-r8a7794";
+		reg = <0 0xe6ef0000 0 0x1000>;
+		interrupts = <0 188 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp8_clks R8A7794_CLK_VIN0>;
+		power-domains = <&cpg_clocks>;
+		status = "disabled";
+	};
+
+	vin1: video@e6ef1000 {
+		compatible = "renesas,vin-r8a7794";
+		reg = <0 0xe6ef1000 0 0x1000>;
+		interrupts = <0 189 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp8_clks R8A7794_CLK_VIN1>;
+		power-domains = <&cpg_clocks>;
+		status = "disabled";
+	};
+
 	clocks {
 		#address-cells = <2>;
 		#size-cells = <2>;