Re: [PATCH 4/4] arm64: dts: qcom: sc7280: Add pm8008 regulators support for sc7280-idp

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Quoting Satya Priya (2021-09-17 03:45:38)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 52638e2..3b3af49 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -207,6 +207,97 @@
>         };
>  };
>
> +&i2c1 {
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +       status = "okay";
> +
> +       pm8008_chip: pm8008@8 {
> +               compatible = "qcom,pm8008";
> +               reg = <0x8>;
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pm8008_active>;
> +       };
> +
> +       pm8008_ldo: pm8008@9 {
[...]
> +
> +                       pm8008_l7: regulator@4600 {
> +                               reg = <0x4600>;
> +                               regulator-name = "pm8008_l7";
> +                               regulator-min-microvolt = <3000000>;
> +                               regulator-max-microvolt = <3544000>;
> +                               qcom,min-dropout-voltage = <96000>;

Is this headroom? Is it actually configurable or is it merely a property
of the hardware? If it's the latter then it should be in the driver and
not in the DTS.

> +                       };
> +               };
> +       };
> +};
> +
>  &qfprom {
>         vcc-supply = <&vreg_l1c_1p8>;
>  };
> @@ -313,6 +404,18 @@
>
>  /* PINCTRL - additions to nodes defined in sc7280.dtsi */
>
> +&pm8350c_gpios {
> +       pm8008_reset {

Is this a pinctrl node?

> +               pm8008_active: pm8008_active {

Please use dashes in node names wherever an underscore goes.

> +                       pins = "gpio4";
> +                       function = "normal";
> +                       bias-disable;
> +                       output-high;
> +                       power-source = <0>;
> +               };
> +       };
> +};



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