ARM: dts: am437x: cm-t43: add PMIC support.

Add PMIC support for CompuLab cm-t43 module. For now we keep all regulators
enabled until this could be refined with power management support.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am437x-cm-t43.dts

@@ -52,6 +52,69 @@ &i2c0 {
 	pinctrl-0 = <&i2c0_pins>;
 	clock-frequency = <100000>;
 
+	tps65218: tps65218@24 {
+		compatible = "ti,tps65218";
+		reg = <0x24>;
+		interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */
+		interrupt-parent = <&gic>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		dcdc1: regulator-dcdc1 {
+			compatible = "ti,tps65218-dcdc1";
+			regulator-name = "vdd_core";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <1144000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc2: regulator-dcdc2 {
+			compatible = "ti,tps65218-dcdc2";
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <1378000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc3: regulator-dcdc3 {
+			compatible = "ti,tps65218-dcdc3";
+			regulator-name = "vdcdc3";
+			regulator-suspend-enable;
+			regulator-min-microvolt = <1500000>;
+			regulator-max-microvolt = <1500000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc5: regulator-dcdc5 {
+			compatible = "ti,tps65218-dcdc5";
+			regulator-name = "v1_0bat";
+			regulator-min-microvolt = <1000000>;
+			regulator-max-microvolt = <1000000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc6: regulator-dcdc6 {
+			compatible = "ti,tps65218-dcdc6";
+			regulator-name = "v1_8bat";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo1: regulator-ldo1 {
+			compatible = "ti,tps65218-ldo1";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+	};
+
 	eeprom_module: at24@50 {
 		compatible = "atmel,24c02";
 		reg = <0x50>;
@@ -88,6 +151,7 @@ &uart0 {
 };
 
 &cpu {
+	cpu0-supply = <&dcdc2>;
 	operating-points = <1000000 1330000>,
 			   <800000 1260000>,
 			   <720000 1200000>,