Re: [PATCH] regulator: qcom-rpmh: Add support for regulator-off-on-delay-us

[Mark Brown]

On Tue, Jan 27, 2026 at 11:13:45PM +0530, Saikiran B wrote:

> > What exactly are we talking about in terms of the actual configuration here...

> These are LDOs (LDO1, LDO3 and LDO7) powering camera sensors on the
> Lenovo Yoga Slim 7x.
> The issue is platform-specific: this board has large bulk capacitors
> on the camera rails. When the LDO is disabled, the voltage decays very
> slowly (passive discharge), taking some time (Still testing various
> timings) to reach a safe reset level. If we re-enable the rail before
> this discharge completes, the sensor experiences a brownout and fails
> to initialize.

OK, that makes sense - please include this description in the commit
log.

> > This would at a minimum need the bindings for the regulators on the affected platforms to be updated.

> Understood. I missed the binding update. I will prepare a patch to
> update Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.yaml
> to allow this property.

Great, sounds good.

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