ARM: dts: imx8mm-verdin: 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.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>

diff --git a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
index fe6bb9b..249b0f8 100644 (file)
--- a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
@@ -2,7 +2,6 @@
 /*
  * Copyright 2020 Toradex
  */
-
 / {
        wdt-reboot {
                compatible = "wdt-reboot";
@@ -90,11 +89,11 @@
        u-boot,dm-spl;
 };
 
-&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b} {
+&{/soc@0/bus@30800000/i2c@30a20000/pmic} {
        u-boot,dm-spl;
 };
 
-&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b/regulators} {
+&{/soc@0/bus@30800000/i2c@30a20000/pmic/regulators} {
        u-boot,dm-spl;
 };
 

diff --git a/arch/arm/dts/imx8mm-verdin.dts b/arch/arm/dts/imx8mm-verdin.dts
index 1c67c08..fb0756d 100644 (file)
--- a/arch/arm/dts/imx8mm-verdin.dts
+++ b/arch/arm/dts/imx8mm-verdin.dts
@@ -203,115 +203,123 @@
        pinctrl-0 = <&pinctrl_i2c1>;
        status = "okay";
 
-       pmic@4b {
-               compatible = "rohm,bd71840", "rohm,bd71837";
-               bd71837,pmic-buck2-uses-i2c-dvs;
-               bd71837,pmic-buck2-dvs-voltage = <1000000>, <900000>, <0>; /* VDD_ARM: Run-Idle */
-               gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>;
-               /* PMIC BD71837 PMIC_nINT GPIO1_IO3 */
+       /* Assembled on V1.1 HW and later */
+       pmic {
+               reg = <0x25>;
+               u-boot,dm-spl;
+               compatible = "nxp,pca9450a";
+               /* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */
                pinctrl-0 = <&pinctrl_pmic>;
-               reg = <0x4b>;
-
-               gpo {
-                       rohm,drv = <0x0C>;      /* 0b0000_1100 all gpos with cmos output mode */
-               };
+               gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>;
 
                regulators {
-                       buck1_reg: BUCK1 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       u-boot,dm-spl;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       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-max-microvolt = <1300000>;
-                               regulator-min-microvolt = <700000>;
-                               regulator-ramp-delay = <1250>;
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <2187500>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                               regulator-ramp-delay = <3125>;
                        };
 
-                       buck2_reg: BUCK2 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       buck2_reg: regulator@1 {
+                               reg = <1>;
                                regulator-compatible = "buck2";
-                               regulator-max-microvolt = <1300000>;
-                               regulator-min-microvolt = <700000>;
-                               regulator-ramp-delay = <1250>;
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <2187500>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                               regulator-ramp-delay = <3125>;
                        };
 
-                       buck5_reg: BUCK5 {
-                               regulator-always-on;
+                       buck3_reg: regulator@2 {
+                               reg = <2>;
+                               regulator-compatible = "buck3";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <2187500>;
                                regulator-boot-on;
-                               regulator-compatible = "buck5";
-                               regulator-max-microvolt = <1350000>;
-                               regulator-min-microvolt = <700000>;
+                               regulator-always-on;
                        };
 
-                       buck6_reg: BUCK6 {
-                               regulator-always-on;
+                       buck4_reg: regulator@3 {
+                               reg = <3>;
+                               regulator-compatible = "buck4";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <3400000>;
                                regulator-boot-on;
-                               regulator-compatible = "buck6";
-                               regulator-max-microvolt = <3300000>;
-                               regulator-min-microvolt = <3000000>;
+                               regulator-always-on;
                        };
 
-                       buck7_reg: BUCK7 {
-                               regulator-always-on;
+                       buck5_reg: regulator@4 {
+                               reg = <4>;
+                               regulator-compatible = "buck5";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <3400000>;
                                regulator-boot-on;
-                               regulator-compatible = "buck7";
-                               regulator-max-microvolt = <1995000>;
-                               regulator-min-microvolt = <1605000>;
+                               regulator-always-on;
                        };
 
-                       buck8_reg: BUCK8 {
-                               regulator-always-on;
+                       buck6_reg: regulator@5 {
+                               reg = <5>;
+                               regulator-compatible = "buck6";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <3400000>;
                                regulator-boot-on;
-                               regulator-compatible = "buck8";
-                               regulator-max-microvolt = <1400000>;
-                               regulator-min-microvolt = <800000>;
+                               regulator-always-on;
                        };
 
-                       ldo1_reg: LDO1 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       ldo1_reg: regulator@6 {
+                               reg = <6>;
                                regulator-compatible = "ldo1";
+                               regulator-min-microvolt = <1600000>;
                                regulator-max-microvolt = <3300000>;
-                               regulator-min-microvolt = <3000000>;
+                               regulator-boot-on;
+                               regulator-always-on;
                        };
 
-                       ldo2_reg: LDO2 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       ldo2_reg: regulator@7 {
+                               reg = <7>;
                                regulator-compatible = "ldo2";
-                               regulator-max-microvolt = <900000>;
-                               regulator-min-microvolt = <900000>;
+                               regulator-min-microvolt = <800000>;
+                               regulator-max-microvolt = <1150000>;
+                               regulator-boot-on;
+                               regulator-always-on;
                        };
 
-                       ldo3_reg: LDO3 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       ldo3_reg: regulator@8 {
+                               reg = <8>;
                                regulator-compatible = "ldo3";
+                               regulator-min-microvolt = <800000>;
                                regulator-max-microvolt = <3300000>;
-                               regulator-min-microvolt = <1800000>;
+                               regulator-boot-on;
+                               regulator-always-on;
                        };
 
-                       ldo4_reg: LDO4 {
-                               regulator-always-on;
-                               regulator-boot-on;
+                       ldo4_reg: regulator@9 {
+                               reg = <9>;
                                regulator-compatible = "ldo4";
-                               regulator-max-microvolt = <1800000>;
-                               regulator-min-microvolt = <900000>;
+                               regulator-min-microvolt = <800000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-boot-on;
+                               regulator-always-on;
                        };
 
-                       ldo5_reg: LDO5 {
+                       ldo5_reg: regulator@10 {
+                               reg = <10>;
                                regulator-compatible = "ldo5";
+                               regulator-min-microvolt = <800000>;
                                regulator-max-microvolt = <3300000>;
-                               regulator-min-microvolt = <3300000>;
                        };
 
-                       ldo6_reg: LDO6 {
-                               regulator-always-on;
-                               regulator-boot-on;
-                               regulator-compatible = "ldo6";
-                               regulator-max-microvolt = <1800000>;
-                               regulator-min-microvolt = <900000>;
-                       };
                };
        };
 
@@ -321,12 +329,6 @@
                reg = <0x32>;
        };
 
-       adc@34 {
-               compatible = "maxim,max11607";
-               reg = <0x34>;
-               vcc-supply = <&ldo5_reg>;
-       };
-
        eeprom_module: eeprom@50 {
                compatible = "st,24c02", "atmel,24c02", "i2c-eeprom";
                pagesize = <16>;