ARM: dts: sun7i: Add rtp controller node

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -419,6 +419,12 @@
 			reg = <0x01c23800 0x200>;
 		};
 
+		rtp: rtp@01c25000 {
+			compatible = "allwinner,sun4i-ts";
+			reg = <0x01c25000 0x100>;
+			interrupts = <0 29 4>;
+		};
+
 		uart0: serial@01c28000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28000 0x400>;