ARM: shmobile: r8a7778: Add TMU nodes

This describes all of the TMU hardware of the r8a7778.
Each node is disabled and may be enabled as necessary
by board DTS files.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7778.dtsi

@@ -162,6 +162,42 @@ i2c3: i2c@ffc73000 {
 		status = "disabled";
 	};
 
+	tmu0: timer@ffd80000 {
+		compatible = "renesas,tmu";
+		reg = <0xffd80000 0x30>;
+		interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 33 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 34 IRQ_TYPE_LEVEL_HIGH>;
+
+		#renesas,channels = <3>;
+
+		status = "disabled";
+	};
+
+	tmu1: timer@ffd81000 {
+		compatible = "renesas,tmu";
+		reg = <0xffd81000 0x30>;
+		interrupts = <0 36 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 37 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 38 IRQ_TYPE_LEVEL_HIGH>;
+
+		#renesas,channels = <3>;
+
+		status = "disabled";
+	};
+
+	tmu2: timer@ffd82000 {
+		compatible = "renesas,tmu";
+		reg = <0xffd82000 0x30>;
+		interrupts = <0 40 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 41 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 42 IRQ_TYPE_LEVEL_HIGH>;
+
+		#renesas,channels = <3>;
+
+		status = "disabled";
+	};
+
 	scif0: serial@ffe40000 {
 		compatible = "renesas,scif-r8a7778", "renesas,scif";
 		reg = <0xffe40000 0x100>;