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Date:   Fri, 20 Nov 2020 14:47:42 +0100
From:   Vincent Whitchurch <vincent.whitchurch@...s.com>
To:     Adam Ward <adam.ward@...semi.com>
CC:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/9] regulator: Update DA9121 dt-bindings

On Fri, Nov 20, 2020 at 01:14:50PM +0100, Adam Ward wrote:
> Update bindings for the Dialog Semiconductor DA9121 voltage regulator to add device variants.
> 
> Signed-off-by: Adam Ward <Adam.Ward.opensource@...semi.com>
> ---
>  .../devicetree/bindings/regulator/dlg,da9121.yaml  | 177 +++++++++++++++++++--
>  MAINTAINERS                                        |   2 +
>  .../dt-bindings/regulator/dlg,da9121-regulator.h   |  22 +++
>  3 files changed, 185 insertions(+), 16 deletions(-)
>  create mode 100644 include/dt-bindings/regulator/dlg,da9121-regulator.h
> 
> diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
> index cde0d82..1bd177d 100644
> --- a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
> +++ b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
> @@ -8,40 +8,185 @@ title: Dialog Semiconductor DA9121 voltage regulator
>  
>  maintainers:
>    - Vincent Whitchurch <vincent.whitchurch@...s.com>
> +  - Adam Ward <adam.ward@...asemi.com>

I'm quite happy to have myself removed from the list instead.  You are
in a much better position to maintain the bindings for these chips.

> -  buck1:
> -    description:
> -      Initial data for the Buck1 regulator.
> -    $ref: "regulator.yaml#"
> +  interrupt-parent:
> +    maxItems: 1
> +    description: Specifies the reference to the interrupt controller.
> +
> +  interrupts:
> +    maxItems: 1
> +    description: IRQ line information.
> +
> +  dlg,irq-polling-delay-passive:
> +    maxItems: 1
> +    description: |
> +      Specify the polling period, measured in milliseconds, between interrupt status
> +      update checks. Range 1000-10000 ms.
> +
> +  regulators:
>      type: object
> +    $ref: regulator.yaml#
> +    description: |
> +      This node defines the settings for the BUCK. The content of the
> +      sub-node is defined by the standard binding for regulators; see regulator.yaml.
> +      The DA9121 regulator is bound using their names listed below
> +      buck1 - BUCK1
> +      buck2 - BUCK2       //DA9122, DA9220, DA9131, DA9132 only

This move to a sub-node means that older devicetrees won't work. I
assume that's fine since the driver is only in linux-next at the moment,
but perhaps it's worth mentioning this in the commit message?

> +
> +    patternProperties:
> +      "^buck([0-1])$":
> +        type: object
> +        $ref: regulator.yaml#
> +
> +    properties:
> +      regulator-mode:
> +        maxItems: 1
> +        description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
> +
> +      regulator-initial-mode:
> +        maxItems: 1
> +        description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
>  
> -unevaluatedProperties: false

I think my s/unevaluatedProperties/additionalProperties/ fix is already
in linux-next, so this looks like it needs rebasing.

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