Re: [PATCH v3 3/3] regulator: Add TI LM51772 support
From: Mark Brown
Date: Mon Nov 02 2026 - 14:43:35 EST
On Mon, Nov 02, 2026 at 01:23:02PM +0100, Paul Louvel wrote:
> On Fri Oct 30, 2026 at 5:21 PM CET, Mark Brown wrote:
> > It looks like this is an always on load on the output rather than
> > something only enabled when the regulator has been disabled so we'll end
> > up with an extra power drain for no reason. Possibly we should have
> > core support for hardware that needs such manual management, though the
> > datasheet suggests DICHARG_CONFIG0/1 might be more appropriate for what
> > the API is looking for here?
> Yes indeed. I see no reason for the DISCHARGE_CONFIG0/1 to be disabled. At
> first, I thought that the FORCE_DISH was necessary to get the discharge on DVS
> ramp down.
> By manual management, do you mean selecting between those three configuration
> (force discharge, discharge only when disabled, disacharge only when disabled
> and until a certain threshold) ?
I mean hardware that only has force discharge so needs it to be enabled
only when the regulator is off.
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