ARM: dts: imx8mm-verdin: v1.1: follow changed pmic

The used PMIC has been changed from RHOM BD71837 to NXP PCA9450A.
Adjust the device tree accordingly.
Remove the old ADC node as the ADC has been changed and has no longer
a separate power rail.

Related-to: ELB-3130
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

2 files changed, 53 insertions, 69 deletions

diff --git a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
index 53c3f640c9..c2705f5d81 100644
--- a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
@@ -111,11 +111,11 @@
 	u-boot,dm-spl;
 };
 
-&{/soc@0/bus@30800000/i2c@30a20000/bd71837@4b} {
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25} {
 	u-boot,dm-spl;
 };
 
-&{/soc@0/bus@30800000/i2c@30a20000/bd71837@4b/regulators} {
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25/regulators} {
 	u-boot,dm-spl;
 };
 
diff --git a/arch/arm/dts/imx8mm-verdin.dts b/arch/arm/dts/imx8mm-verdin.dts
index 033ef998c6..e134a13fb9 100644
--- a/arch/arm/dts/imx8mm-verdin.dts
+++ b/arch/arm/dts/imx8mm-verdin.dts
@@ -136,131 +136,121 @@
 	pinctrl-0 = <&pinctrl_i2c1>;
 	status = "okay";
 
-	pmic: bd71837@4b {
-		reg = <0x4b>;
-		compatible = "rohm,bd71840", "rohm,bd71837";
-		/* PMIC BD71837 PMIC_nINT GPIO1_IO3 */
+	/* Assembled on V1.1 HW and later */
+	pmic: pca9450@25 {
+		reg = <0x25>;
+		compatible = "nxp,pca9450a";
+		/* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */
 		pinctrl-0 = <&pinctrl_pmic>;
 		gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>;
 
-		gpo {
-			rohm,drv = <0x0C>;	/* 0b0000_1100 all gpos with cmos output mode */
-		};
-
 		regulators {
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-			bd71837,pmic-buck2-uses-i2c-dvs;
-			bd71837,pmic-buck2-dvs-voltage = <1000000>, <900000>, <0>; /* VDD_ARM: Run-Idle */
+			pca9450,pmic-buck2-uses-i2c-dvs;
+			/* Run/Standby voltage */
+			pca9450,pmic-buck2-dvs-voltage = <950000>, <850000>;
 
 			buck1_reg: regulator@0 {
 				reg = <0>;
 				regulator-compatible = "buck1";
-				regulator-min-microvolt = <700000>;
-				regulator-max-microvolt = <1300000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
 				regulator-boot-on;
 				regulator-always-on;
-				regulator-ramp-delay = <1250>;
+				regulator-ramp-delay = <3125>;
 			};
 
 			buck2_reg: regulator@1 {
 				reg = <1>;
 				regulator-compatible = "buck2";
-				regulator-min-microvolt = <700000>;
-				regulator-max-microvolt = <1300000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
 				regulator-boot-on;
 				regulator-always-on;
-				regulator-ramp-delay = <1250>;
+				regulator-ramp-delay = <3125>;
 			};
 
-			buck5_reg: regulator@4 {
-				reg = <4>;
-				regulator-compatible = "buck5";
-				regulator-min-microvolt = <700000>;
-				regulator-max-microvolt = <1350000>;
+			buck3_reg: regulator@2 {
+				reg = <2>;
+				regulator-compatible = "buck3";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			buck6_reg: regulator@5 {
-				reg = <5>;
-				regulator-compatible = "buck6";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3300000>;
+			buck4_reg: regulator@3 {
+				reg = <3>;
+				regulator-compatible = "buck4";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			buck7_reg: regulator@6 {
-				reg = <6>;
-				regulator-compatible = "buck7";
-				regulator-min-microvolt = <1605000>;
-				regulator-max-microvolt = <1995000>;
+			buck5_reg: regulator@4 {
+				reg = <4>;
+				regulator-compatible = "buck5";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			buck8_reg: regulator@7 {
-				reg = <7>;
-				regulator-compatible = "buck8";
-				regulator-min-microvolt = <800000>;
-				regulator-max-microvolt = <1400000>;
+			buck6_reg: regulator@5 {
+				reg = <5>;
+				regulator-compatible = "buck6";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			ldo1_reg: regulator@8 {
-				reg = <8>;
+			ldo1_reg: regulator@6 {
+				reg = <6>;
 				regulator-compatible = "ldo1";
-				regulator-min-microvolt = <3000000>;
+				regulator-min-microvolt = <1600000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			ldo2_reg: regulator@9 {
-				reg = <9>;
+			ldo2_reg: regulator@7 {
+				reg = <7>;
 				regulator-compatible = "ldo2";
-				regulator-min-microvolt = <900000>;
-				regulator-max-microvolt = <900000>;
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1150000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			ldo3_reg: regulator@10 {
-				reg = <10>;
+			ldo3_reg: regulator@8 {
+				reg = <8>;
 				regulator-compatible = "ldo3";
-				regulator-min-microvolt = <1800000>;
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			ldo4_reg: regulator@11 {
-				reg = <11>;
+			ldo4_reg: regulator@9 {
+				reg = <9>;
 				regulator-compatible = "ldo4";
-				regulator-min-microvolt = <900000>;
-				regulator-max-microvolt = <1800000>;
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
-			ldo5_reg: regulator@12 {
-				reg = <12>;
+			ldo5_reg: regulator@10 {
+				reg = <10>;
 				regulator-compatible = "ldo5";
-				regulator-min-microvolt = <3300000>;
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <3300000>;
 			};
 
-			ldo6_reg: regulator@13 {
-				reg = <13>;
-				regulator-compatible = "ldo6";
-				regulator-min-microvolt = <900000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-boot-on;
-				regulator-always-on;
-			};
 		};
 	};
 
@@ -270,12 +260,6 @@
 		reg = <0x32>;
 	};
 
-	adc: max11607@34 {
-		compatible = "maxim,max11607";
-		reg = <0x34>;
-		vcc-supply = <&ldo5_reg>;
-	};
-
 	eeprom_module: eeprom@50 {
 		compatible = "st,24c02", "atmel,24c02", "i2c-eeprom";
 		pagesize = <16>;