ARM: dts: at91: sama5d2: add PTC subsystem device

Add the Atmel Peripheral Touch Controller subsystem.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>

Author: ldesroches

arch/arm/boot/dts/sama5d2.dtsi

@@ -768,6 +768,12 @@
 						atmel,clk-output-range = <0 83000000>;
 					};
 
+					ptc_clk: ptc_clk {
+						#clock-cells = <0>;
+						reg = <58>;
+						atmel,clk-output-range = <0 83000000>;
+					};
+
 					classd_clk: classd_clk {
 						#clock-cells = <0>;
 						reg = <59>;
@@ -1502,6 +1508,16 @@
 				reg = <0xfc05c000 0x20>;
 			};
 
+			ptc@fc060000 {
+				compatible = "atmel,sama5d2-ptc";
+				reg = <0x00800000 0x10000
+				       0xfc060000 0xcf>;
+				interrupts = <58 IRQ_TYPE_LEVEL_HIGH 7>;
+				clocks = <&ptc_clk>, <&main>, <&clk32k>;
+				clock-names = "ptc_clk", "ptc_int_osc", "slow_clk";
+				status = "disabled";
+			};
+
 			chipid@fc069000 {
 				compatible = "atmel,sama5d2-chipid";
 				reg = <0xfc069000 0x8>;