arm64: dts: imx8mm-venice-gw700x: fix mp5416 pmic config

Fix various MP5416 PMIC configurations:
 - Update regulator names per dt-bindings
 - ensure values fit among valid register values
 - add required regulator-max-microamp property
 - add regulator-always-on prop
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi

@@ -283,65 +283,83 @@ pmic@69 {
 		reg = <0x69>;
 
 		regulators {
+			/* vdd_0p95: DRAM/GPU/VPU */
 			buck1 {
-				regulator-name = "vdd_0p95";
-				regulator-min-microvolt = <805000>;
+				regulator-name = "buck1";
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <1000000>;
-				regulator-max-microamp = <2500000>;
+				regulator-min-microamp  = <3800000>;
+				regulator-max-microamp  = <6800000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* vdd_soc */
 			buck2 {
-				regulator-name = "vdd_soc";
-				regulator-min-microvolt = <805000>;
+				regulator-name = "buck2";
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <900000>;
-				regulator-max-microamp = <1000000>;
+				regulator-min-microamp  = <2200000>;
+				regulator-max-microamp  = <5200000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* vdd_arm */
 			buck3_reg: buck3 {
-				regulator-name = "vdd_arm";
-				regulator-min-microvolt = <805000>;
+				regulator-name = "buck3";
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <1000000>;
-				regulator-max-microamp = <2200000>;
-				regulator-boot-on;
+				regulator-min-microamp  = <3800000>;
+				regulator-max-microamp  = <6800000>;
+				regulator-always-on;
 			};
 
+			/* vdd_1p8 */
 			buck4 {
-				regulator-name = "vdd_1p8";
+				regulator-name = "buck4";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
-				regulator-max-microamp = <500000>;
+				regulator-min-microamp  = <2200000>;
+				regulator-max-microamp  = <5200000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* nvcc_snvs_1p8 */
 			ldo1 {
-				regulator-name = "nvcc_snvs_1p8";
+				regulator-name = "ldo1";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
-				regulator-max-microamp = <300000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* vdd_snvs_0p8 */
 			ldo2 {
-				regulator-name = "vdd_snvs_0p8";
+				regulator-name = "ldo2";
 				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <800000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* vdd_0p9 */
 			ldo3 {
-				regulator-name = "vdd_0p95";
-				regulator-min-microvolt = <800000>;
-				regulator-max-microvolt = <800000>;
+				regulator-name = "ldo3";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
+			/* vdd_1p8 */
 			ldo4 {
-				regulator-name = "vdd_1p8";
+				regulator-name = "ldo4";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 		};
 	};