linux-kernel - Re: [PATCH V2 1/4] regulator: dt-bindings: Add pm8008 regulator bindings

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Date:   Fri, 8 Oct 2021 17:23:36 -0500
From:   Rob Herring <robh@...nel.org>
To:     Satya Priya <skakit@...eaurora.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Das Srinagesh <gurus@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, mka@...omium.org,
        swboyd@...omium.org, collinsd@...eurora.org,
        subbaram@...eaurora.org, kgunda@...eaurora.org
Subject: Re: [PATCH V2 1/4] regulator: dt-bindings: Add pm8008 regulator
 bindings

On Fri, Oct 01, 2021 at 09:30:56AM +0530, Satya Priya wrote:
> Add bindings for pm8008 pmic regulators.
> 
> Signed-off-by: Satya Priya <skakit@...eaurora.org>
> ---
> Changes in V2:
>  - Moved this patch before "mfd: pm8008: Add pm8008 regulator node" to
>    resolve dtschema errors. Removed regulator-min-microvolt and 
>    regulator-max-microvolt properties.
> 
>  .../bindings/regulator/qcom,pm8008-regulator.yaml  | 72 ++++++++++++++++++++++
>  1 file changed, 72 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/qcom,pm8008-regulator.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/qcom,pm8008-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,pm8008-regulator.yaml
> new file mode 100644
> index 0000000..31ac1eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/qcom,pm8008-regulator.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/qcom,pm8008-regulator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. PM8008 Regulator bindings
> +
> +maintainers:
> +  - Satya Priya <skakit@...eaurora.org>
> +
> +description:
> +  Qualcomm Technologies, Inc. PM8008 is an I2C controlled PMIC
> +  containing 7 LDO regulators.
> +
> +properties:
> +  compatible:
> +    const: qcom,pm8008-regulator
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  vdd_l1_l2-supply:
> +    description: Input supply phandle of ldo1 and ldo2 regulators.
> +
> +  vdd_l3_l4-supply:
> +    description: Input supply phandle of ldo3 and ldo4 regulators.
> +
> +  vdd_l5-supply:
> +    description: Input supply phandle of ldo5 regulator.
> +
> +  vdd_l6-supply:
> +    description: Input supply phandle of ldo6 regulator.
> +
> +  vdd_l7-supply:
> +    description: Input supply phandle of ldo7 regulator.
> +
> +patternProperties:
> +  "^regulator@[0-9a-f]+$":
> +    type: object
> +
> +    $ref: "regulator.yaml#"
> +
> +    description: PM8008 regulator peripherals of PM8008 regulator device
> +
> +    properties:
> +      reg:
> +        maxItems: 1

blank line here

What do the reg values represent here? You need to define that since it 
specific to this devices. Some constraints on the values would be nice 
too.

> +      regulator-name: true

blank line.

> +      qcom,min-dropout-voltage:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          Specifies the minimum voltage in microvolts that the parent

Use a standard unit suffix and you can drop the type ref.

> +          supply regulator must output, above the output of this
> +          regulator.
> +
> +    required:
> +      - reg
> +      - regulator-name
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false
> +...
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member 
> of Code Aurora Forum, hosted by The Linux Foundation
> 
>