ARM: zynq: Add ISL9305 regulator on Parallella board

There is an ISL9305 regulator on the Parallella board, add it to the DT
along with descriptions of all the supplies.
Signed-off-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-parallella.dts

@@ -51,6 +51,29 @@
 
 &i2c0 {
 	status = "okay";
+
+	isl9305: isl9305@68 {
+		compatible = "isl,isl9305";
+		reg = <0x68>;
+
+		regulators {
+			dcd1 {
+				regulator-name = "VDD_DSP";
+				regulator-always-on;
+			};
+			dcd2 {
+				regulator-name = "1P35V";
+				regulator-always-on;
+			};
+			ldo1 {
+				regulator-name = "VDD_ADJ";
+			};
+			ldo2 {
+				regulator-name = "VDD_GPIO";
+				regulator-always-on;
+			};
+		};
+	};
 };
 
 &sdhci1 {