dts: atmel: sam0: dac: enable dac driver for SAMC21

This is only present in the SAMC21 soc

Signed-off-by: Stefan Giroux <[email protected]>

Author: sgfeniex

dts/arm/atmel/samc21.dtsi

@@ -83,5 +83,18 @@
 			bosch,mram-cfg = <0x0 28 8 3 3 0 1 1>;
 			divider = <1>;
 		};
+
+		dac: dac@42005400 {
+			compatible = "atmel,sam0-dac";
+			reg = <0x42005400 0x10>;
+			interrupts = <28 0>;
+			status = "disabled";
+
+			#io-channel-cells = <0>;
+			clocks = <&gclk 36>, <&mclk 0x1c 21>;
+			clock-names = "GCLK", "MCLK";
+			atmel,assigned-clocks = <&gclk 0>;
+			atmel,assigned-clock-names = "GCLK";
+		};
 	};
 };