linux-kernel - Re: [PATCH RESEND v2 7/7] arm64: dts: mediatek: mt6358: Merge ldo_vcn33

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Date:   Fri, 21 Jul 2023 10:53:45 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Chen-Yu Tsai <wenst@...omium.org>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v2 7/7] arm64: dts: mediatek: mt6358: Merge
 ldo_vcn33_* regulators

Il 21/07/23 10:28, Chen-Yu Tsai ha scritto:
> The ldo_vcn33_bt and ldo_vcn33_wifi regulators are actually the same
> regulator, having the same voltage setting and output pin. There are
> simply two enable bits that are ORed together to enable the regulator.
> 
> Having two regulators representing the same output pin is misleading
> from a design matching standpoint, and also error-prone in driver
> implementations.
> 
> Now that the bindings have these two merged, merge them in the device
> tree as well. Neither vcn33 regulators are referenced in upstream
> device trees. As far as hardware designs go, none of the Chromebooks
> using MT8183 w/ MT6358 use this output.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>