On Mon, May 13, 2024 at 05:22:54PM +0100, Conor Dooley wrote: > On Fri, May 10, 2024 at 08:06:25PM +0800, Alina Yu wrote: > > + richtek,fixed-microvolt = <1200000>; > > regulator-min-microvolt = <1200000>; > > regulator-max-microvolt = <1200000>; > I'm dumb and this example seemed odd to me. Can you explain to me why > it is not sufficient to set min-microvolt == max-microvolt to achieve > the same thing? This is for a special mode where the voltage being configured is out of the range usually supported by the regulator, requiring a hardware design change to achieve. The separate property is because otherwise we can't distinguish the case where the mode is in use from the case where the constraints are nonsense, and we need to handle setting a fixed voltage on a configurable regulator differently to there being a hardware fixed voltage on a normally configurable regulator.
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