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
--- 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
--- 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>;