linux-kernel - Re: [PATCH v1 1/2] arm64: dts: ti: k3-am62-verdin: replace sleep-moci hog with regulator

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Message-ID: <20240301090007.GA6605@francesco-nb>
Date: Fri, 1 Mar 2024 10:00:07 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Stefan Eichenberger <eichest@...il.com>
Cc: nm@...com, vigneshr@...com, kristo@...nel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, francesco.dolcini@...adex.com,
	Stefan Eichenberger <stefan.eichenberger@...adex.com>
Subject: Re: [PATCH v1 1/2] arm64: dts: ti: k3-am62-verdin: replace
 sleep-moci hog with regulator

On Fri, Mar 01, 2024 at 09:49:00AM +0100, Stefan Eichenberger wrote:
> From: Stefan Eichenberger <stefan.eichenberger@...adex.com>
> 
> The Verdin family has a signal called sleep-moci which can be used to
> turn off peripherals on the carrier board when the SoM goes into
> suspend. So far we have hogged this signal, which means the peripherals
> are always on and it is not possible to add peripherals that depend on
> the sleep-moci to be on. With this change, we replace the hog with a
> regulator so that peripherals can add their own regulators that use the
> same gpio. Carrier boards that allow peripherals to be powered off in
> suspend can disable this regulator and implement their own regulator to
> control the sleep-moci.
> 
> Signed-off-by: Stefan Eichenberger <stefan.eichenberger@...adex.com>

Reviewed-by: Francesco Dolcini <francesco.dolcini@...adex.com>