linux-kernel - Re: [PATCH 2/4] dt-bindings: mfd: x-powers,axp152: document AXP717

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Date: Mon, 11 Mar 2024 17:20:50 -0500
From: Samuel Holland <samuel@...lland.org>
To: Andre Przywara <andre.przywara@....com>
Cc: devicetree@...r.kernel.org, Jernej Skrabec <jernej.skrabec@...il.com>,
 Chris Morgan <macromorgan@...mail.com>, linux-kernel@...r.kernel.org,
 linux-sunxi@...ts.linux.dev, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
 Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH 2/4] dt-bindings: mfd: x-powers,axp152: document AXP717

Hi Andre,

On 3/9/24 19:02, Andre Przywara wrote:
> The X-Powers AXP717 is a PMIC used on some newer Allwinner devices.
> Among quite some regulators it features the usual ADC/IRQ/power key
> parts, plus a battery charger circuit, and some newly introduced USB
> type-C circuitry.

Do you plan to put the Type-C logic under a subnode, or should the
Type-C connector node go directly under the PMIC node? Either way, the
binding probably needs to be updated for that.

> Like two other recent PMICs, it lacks the DC/DC converter PWM frequency
> control register, that rate is fixed here as well.
> 
> Add the new compatible string, and add that to the list of PMICs without
> the PWM frequency property.
> 
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> ---
>  Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> index 06f1779835a1e..b8e8db0d58e9c 100644
> --- a/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> +++ b/Documentation/devicetree/bindings/mfd/x-powers,axp152.yaml
> @@ -83,6 +83,7 @@ allOf:
>              enum:
>                - x-powers,axp313a
>                - x-powers,axp15060
> +              - x-powers,axp717
>  
>      then:
>        properties:
> @@ -99,6 +100,7 @@ properties:
>            - x-powers,axp221
>            - x-powers,axp223
>            - x-powers,axp313a
> +          - x-powers,axp717
>            - x-powers,axp803
>            - x-powers,axp806
>            - x-powers,axp809

The regulators patternProperties needs to be updated for the new boost
regulator.

Regards,
Samuel