Mark Brown <broonie@xxxxxxxxxx> 於 2021年10月5日 週二 下午8:29寫道： > > On Tue, Oct 05, 2021 at 08:25:43PM +0800, ChiYuan Huang wrote: > > Mark Brown <broonie@xxxxxxxxxx> 於 2021年10月5日 週二 下午7:49寫道： > > > On Tue, Oct 05, 2021 at 09:16:54AM +0800, cy_huang wrote: > > > > > + richtek,use-dvdd-1p8v: > > > > + description: Indicate DVDD 1P8V is used, default for 3P3V or 5V design > > > > + type: boolean > > > > I would expect this to be done through the regulator bindings, they > > > would allow the driver to query the supply voltage. > > > It's more like as the I/O pad voltage. > > Must be the same as I2C and I2S signal high level. > > It depends on the application SOC design. > > From my understanding, not all application SOC I/O voltage uses > > regulator interface. > > It doesn't really matter what the SoC is doing here, you can always add > regulator support to your device - you'd be requesting the supplies to > your device, if the SoC doesn't request the supplies that go to it that > doesn't really make a difference to what your driver does. > > Please don't take things off-list unless there is a really strong reason > to do so. Sending things to the list ensures that everyone gets a > chance to read and comment on things. Sorry, my fault. I just noticed the mail not reply all. Loop all again.
