On Fri, Feb 04, 2022 at 10:05:47AM -0800, Bjorn Andersson wrote: > On Thu 03 Feb 08:46 PST 2022, Vladimir Zapolskiy wrote: > > +- vbus-supply: > I don't think "vbus" is an appropriate name for his. Perhaps "vddio" or > something like that would be better. > But there's a bigger question here, this is not a supply for the > i2c master, it's simply a supply for pulling up the bus. So it's not > entirely correct to specify it as a supply for the CCI node (which is > also the reason why the name isn't obvious). Does the device (controller?) not have a supply that the I2C bus is referenced to? If so that supply should be named. > Typically we don't don't mention the bus-supply because it happens to be > pulled up either by io-supply for the block, or by some always-on > regulator in the system. If the bus is being pulled up to some supply other than the supply that the bus is referenced to that doesn't sound like the greatest electrical engineering ever... without any context it's hard to comment about this particular system.
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