linux-kernel - Re: [PATCH] ASoC: dt-bindings: wlf,wm8994: Convert to dtschema

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Date:   Wed, 8 Feb 2023 17:39:19 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        - <patches@...nsource.cirrus.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dt-bindings: wlf,wm8994: Convert to dtschema

On Wed, Feb 08, 2023 at 06:25:52PM +0100, Krzysztof Kozlowski wrote:
> Convert the Wolfson WM1811/WM8994/WM8958 audio codecs bindings to DT
> schema.

> Changes against original binding:
> 1. Add missing LDO1VDD-supply for WM1811.

Both LDOs are present on all variants.

> 2. Use "gpios" suffix for wlf,ldo1ena and wlf,ldo2ena (Linux kernel's
>    gpiolib already looks for both variants).
> 3. Do not require AVDD1-supply and DCVDD-supply, because at least on
>    Arndale board with Exynos5250 these are grounded.

Are you *sure* they are grounded and not supplied from the LDOs?

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