ARM: dts: at91: sama5d2_icp: add PMIC bindings

This patch adds the PMIC bindings for the ICP board.

Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
[razvan.stefanescu@microchip.com Updated title, set lpm gpio to low]
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>

Author: Andrei Stefanescu

arch/arm/boot/dts/at91-sama5d2_icp.dts

@@ -254,6 +254,122 @@
 					pinctrl-0 = <&pinctrl_flx4_default>;
 					atmel,fifo-size = <16>;
 					status = "okay";
+
+					mcp16502@5b {
+						compatible = "microchip,mcp16502";
+						reg = <0x5b>;
+						status = "okay";
+						lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>;
+
+						regulators {
+							VDD_IO {
+								regulator-name = "VDD_IO";
+								regulator-min-microvolt = <1200000>;
+								regulator-max-microvolt = <3700000>;
+								regulator-initial-mode = <2>;
+								regulator-allowed-modes = <2>, <4>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+									regulator-mode = <4>;
+								};
+
+								regulator-state-mem {
+									regulator-off-in-suspend;
+									regulator-mode = <4>;
+								};
+							};
+
+							VDD_DDR {
+								regulator-name = "VDD_DDR";
+								regulator-min-microvolt = <600000>;
+								regulator-max-microvolt = <1850000>;
+								regulator-initial-mode = <2>;
+								regulator-allowed-modes = <2>, <4>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+									regulator-mode = <4>;
+								};
+
+								regulator-state-mem {
+									regulator-on-in-suspend;
+									regulator-mode = <4>;
+								};
+							};
+
+							VDD_CORE {
+								regulator-name = "VDD_CORE";
+								regulator-min-microvolt = <600000>;
+								regulator-max-microvolt = <1850000>;
+								regulator-initial-mode = <2>;
+								regulator-allowed-modes = <2>, <4>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+									regulator-mode = <4>;
+								};
+
+								regulator-state-mem {
+									regulator-off-in-suspend;
+									regulator-mode = <4>;
+								};
+							};
+
+							VDD_OTHER {
+								regulator-name = "VDD_OTHER";
+								regulator-min-microvolt = <600000>;
+								regulator-max-microvolt = <1850000>;
+								regulator-initial-mode = <2>;
+								regulator-allowed-modes = <2>, <4>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+									regulator-mode = <4>;
+								};
+
+								regulator-state-mem {
+									regulator-off-in-suspend;
+									regulator-mode = <4>;
+								};
+							};
+
+							LDO1 {
+								regulator-name = "LDO1";
+								regulator-min-microvolt = <1200000>;
+								regulator-max-microvolt = <3700000>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+								};
+
+								regulator-state-mem {
+									regulator-off-in-suspend;
+								};
+							};
+
+							LDO2 {
+								regulator-name = "LDO2";
+								regulator-min-microvolt = <1200000>;
+								regulator-max-microvolt = <3700000>;
+								regulator-always-on;
+
+								regulator-state-standby {
+									regulator-on-in-suspend;
+								};
+
+								regulator-state-mem {
+									regulator-off-in-suspend;
+								};
+							};
+
+						};
+					};
 				};
 			};