Re: [PATCH v2 1/3] dt-bindings: i2c: gpio: Add 'transition-delay-us' property

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Hi!

2024-05-29 at 11:17, Bastien Curutchet wrote:
> I2C MUXes described by the i2c-gpio-mux sometimes need a significant
> amount of time to switch from a bus to another. When a new bus is
> selected, the first I2C transfer can fail if it occurs too early. There
> is no way to describe this transition delay that has to be waited before
> starting the first I2C transfer.
> 
> Add a 'transition-delay-us' property that indicates the delay to be
> respected before doing the first i2c transfer.

The io-channel-mux has a property with very similar intent named
settle-time-us [1]. I think we should use the same name here.

[1] Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml

Cheers,
Peter




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