ARM: shmobile: r8a7791: add VIN DT support

Define the generic R8A7791 parts of the VIN[0-2] device nodes. Add aliases for
the VIN[0-2] 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/r8a7791.dtsi

@@ -34,6 +34,9 @@
 		spi1 = &msiof0;
 		spi2 = &msiof1;
 		spi3 = &msiof2;
+		vin0 = &vin0;
+		vin1 = &vin1;
+		vin2 = &vin2;
 	};
 
 	cpus {
@@ -518,6 +521,30 @@
 		status = "disabled";
 	};
 
+	vin0: video@e6ef0000 {
+		compatible = "renesas,vin-r8a7791";
+		clocks = <&mstp8_clks R8A7791_CLK_VIN0>;
+		reg = <0 0xe6ef0000 0 0x1000>;
+		interrupts = <0 188 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	vin1: video@e6ef1000 {
+		compatible = "renesas,vin-r8a7791";
+		clocks = <&mstp8_clks R8A7791_CLK_VIN1>;
+		reg = <0 0xe6ef1000 0 0x1000>;
+		interrupts = <0 189 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	vin2: video@e6ef2000 {
+		compatible = "renesas,vin-r8a7791";
+		clocks = <&mstp8_clks R8A7791_CLK_VIN2>;
+		reg = <0 0xe6ef2000 0 0x1000>;
+		interrupts = <0 190 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
 	clocks {
 		#address-cells = <2>;
 		#size-cells = <2>;