[PATCH 2/4] arm64: dts: imx8mm-venice-gw700x: fix mp5416 pmic config

Tim Harvey tharvey at gateworks.com
Sat Jul 24 11:19:21 PDT 2021


On Tue, Jun 1, 2021 at 10:49 AM Tim Harvey <tharvey at gateworks.com> wrote:
>
> 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 at gateworks.com>
> ---
>  .../dts/freescale/imx8mm-venice-gw700x.dtsi   | 56 ++++++++++++-------
>  1 file changed, 37 insertions(+), 19 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
> index 512b76cd7c3b..f4eb827baed7 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
> @@ -283,65 +283,83 @@
>                 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;
>                         };
>                 };
>         };
> --
> 2.17.1
>

Shawn,

Is there anything you want changed here?

Best regards,

Tim



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