ARM: shmobile: r8a7740: Add TPU node to the device tree

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7740.dtsi

@@ -144,4 +144,11 @@
 			      0 72 0x4
 			      0 73 0x4>;
 	};
+
+	tpu: pwm@e6600000 {
+		compatible = "renesas,tpu-r8a7740", "renesas,tpu";
+		reg = <0xe6600000 0x100>;
+		status = "disabled";
+		#pwm-cells = <3>;
+	};
 };