diff mbox series

[v1,4/9] ARM: dts: imx8mm-verdin: follow changed pmic

Message ID 20201028095816.23906-4-igor.opaniuk@gmail.com
State Accepted
Commit caafc6c497db9fba3007c537e92cf3b184f8c1e3
Delegated to: Stefano Babic
Headers show
Series [v1,1/9] toradex: tdx-cfg-clock: add new i.mx 8m mini/plus skus | expand

Commit Message

Igor Opaniuk Oct. 28, 2020, 9:58 a.m. UTC
From: Max Krummenacher <max.krummenacher@toradex.com>

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>
---

 arch/arm/dts/imx8mm-verdin-u-boot.dtsi |   5 +-
 arch/arm/dts/imx8mm-verdin.dts         | 154 +++++++++++++------------
 2 files changed, 80 insertions(+), 79 deletions(-)

Comments

Marcel Ziswiler Oct. 29, 2020, 2:43 p.m. UTC | #1
On Wed, 2020-10-28 at 11:58 +0200, Igor Opaniuk wrote:
> From: Max Krummenacher <max.krummenacher@toradex.com>
> 
> 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>

> ---
> 
>  arch/arm/dts/imx8mm-verdin-u-boot.dtsi |   5 +-
>  arch/arm/dts/imx8mm-verdin.dts         | 154 +++++++++++++------------
>  2 files changed, 80 insertions(+), 79 deletions(-)
> 
> diff --git a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
> index fe6bb9bf03..249b0f8f66 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 1c67c08c88..fb0756d6e1 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>;
Oleksandr Suvorov Oct. 29, 2020, 4:19 p.m. UTC | #2
On Thu, Oct 29, 2020 at 4:44 PM Marcel Ziswiler
<marcel.ziswiler@toradex.com> wrote:
>
> On Wed, 2020-10-28 at 11:58 +0200, Igor Opaniuk wrote:
> > From: Max Krummenacher <max.krummenacher@toradex.com>
> >
> > 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>

>
> > ---
> >
> >  arch/arm/dts/imx8mm-verdin-u-boot.dtsi |   5 +-
> >  arch/arm/dts/imx8mm-verdin.dts         | 154 +++++++++++++------------
> >  2 files changed, 80 insertions(+), 79 deletions(-)
> >
> > diff --git a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
> > index fe6bb9bf03..249b0f8f66 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 1c67c08c88..fb0756d6e1 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>;
Stefano Babic Dec. 8, 2020, 7:59 a.m. UTC | #3
> From: Max Krummenacher <max.krummenacher@toradex.com>
> 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>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/arch/arm/dts/imx8mm-verdin-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-u-boot.dtsi
index fe6bb9bf03..249b0f8f66 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 1c67c08c88..fb0756d6e1 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>;