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    SubjectRe: [PATCH] arm64: dts: imx8mn-var-som-symphony: add vcc supply for PCA9534
    From
    On 06/11/2023 19:57, Hugo Villeneuve wrote:
    > From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
    >
    > The following warning is shown when probing device:
    >
    > pca953x 1-0020: supply vcc not found, using dummy regulator
    >
    > Add fixed 3.3v regulator as vcc supply to silence the warning.
    >

    This is not really a warning. It's perfectly fine to use dummy
    regulator. Adding such fixed supply has sense in following cases:
    1. Bindings require the supply,
    2. This is in fact exactly that supply (verified on schematics).

    Best regards,
    Krzysztof

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