linux-kernel - Re: [PATCH] dt-bindings: power: supply: expect specific type for monitored-battery

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Date:   Mon, 31 Oct 2022 14:26:17 -0500
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Pali Rohár <pali@...nel.org>,
        "Andrew F. Davis" <afd@...com>,
        Artur Rojek <contact@...ur-rojek.eu>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Markus Laine <markus.laine@...rohmeurope.com>,
        Mikko Mutanen <mikko.mutanen@...rohmeurope.com>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: power: supply: expect specific type for
 monitored-battery

On Fri, Oct 28, 2022 at 07:12:55PM -0400, Krzysztof Kozlowski wrote:
> Core schema does not define type of monitored-battery, so the schemas
> are expected to reference proper type.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  Documentation/devicetree/bindings/power/supply/bq27xxx.yaml    | 2 +-
>  .../devicetree/bindings/power/supply/ingenic,battery.yaml      | 1 +
>  .../devicetree/bindings/power/supply/rohm,bd99954.yaml         | 1 +
>  .../devicetree/bindings/power/supply/sc2731-charger.yaml       | 2 +-
>  Documentation/devicetree/bindings/power/supply/sc27xx-fg.yaml  | 3 ++-
>  5 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml b/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
> index 65fc6049efc1..b04c86ed0f58 100644
> --- a/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
> +++ b/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
> @@ -59,6 +59,7 @@ properties:
>      description: integer, I2C address of the fuel gauge.
>  
>    monitored-battery:
> +    $ref: /schemas/types.yaml#/definitions/phandle
>      description: |
>         phandle of battery characteristics node.
>         The fuel gauge uses the following battery properties:
> @@ -66,7 +67,6 @@ properties:
>         - charge-full-design-microamp-hours
>         - voltage-min-design-microvolt
>         Both or neither of the *-full-design-*-hours properties must be set.
> -       See Documentation/devicetree/bindings/power/supply/battery.yaml
>  
>    power-supplies: true
>  
> diff --git a/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml b/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
> index 46527038bf22..8bdacc30e9d8 100644
> --- a/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
> +++ b/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
> @@ -27,6 +27,7 @@ properties:
>      const: battery
>  
>    monitored-battery:
> +    $ref: /schemas/types.yaml#/definitions/phandle

We should not have a type definition multiple times for the same 
property. We need to add a common schema defining the type instead.

Rob