On Fri, Oct 27, 2023 at 04:24:40PM -0500, Rob Herring wrote: > On Thu, Oct 26, 2023 at 04:48:22PM +0200, Oleksij Rempel wrote: > > In certain projects, the main system regulator, composed of simple > > components including an under-voltage detector and capacitors, can be > > aptly described as a fixed regulator in the device tree. To cater to > > such use cases, this patch extends the fixed regulator binding to > > support the 'system-critical-regulator' property. This property > > signifies that the fixed-regulator is vital for system stability. > There is no programming interface for fixed-regulators, so how do you > know an under/over voltage condition? There's support for interrupts now - it's a just a simple signal so if the interrupt is asserted you know there's an error but that's all you know.
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