From: Francesco Dolcini <francesco@dolcini.it>
To: Stefan Eichenberger <eichest@gmail.com>
Cc: robh@kernel.org, krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
francesco.dolcini@toradex.com, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Stefan Eichenberger <stefan.eichenberger@toradex.com>
Subject: Re: [PATCH v1 3/4] arm64: dts: freescale: imx8mm-verdin: replace sleep-moci hog with regulator
Date: Fri, 5 Apr 2024 18:48:16 +0200 [thread overview]
Message-ID: <20240405164816.GC5994@francesco-nb> (raw)
In-Reply-To: <20240405160720.5977-4-eichest@gmail.com>
On Fri, Apr 05, 2024 at 06:07:19PM +0200, Stefan Eichenberger wrote:
> From: Stefan Eichenberger <stefan.eichenberger@toradex.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@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
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next prev parent reply other threads:[~2024-04-05 16:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-05 16:07 [PATCH v1 0/4] arm64: dts: freescale: verdin-imx8mm/imx8mp: add sleep-moci support Stefan Eichenberger
2024-04-05 16:07 ` [PATCH v1 1/4] arm64: dts: freescale: imx8mp-verdin: replace sleep-moci hog with regulator Stefan Eichenberger
2024-04-05 16:48 ` Francesco Dolcini
2024-04-05 16:07 ` [PATCH v1 2/4] arm64: dts: freescale: imx8mp-verdin-dahlia: support sleep-moci Stefan Eichenberger
2024-04-05 16:48 ` Francesco Dolcini
2024-04-05 16:07 ` [PATCH v1 3/4] arm64: dts: freescale: imx8mm-verdin: replace sleep-moci hog with regulator Stefan Eichenberger
2024-04-05 16:48 ` Francesco Dolcini [this message]
2024-04-05 16:07 ` [PATCH v1 4/4] arm64: dts: freescale: imx8mm-verdin-dahlia: support sleep-moci Stefan Eichenberger
2024-04-05 16:48 ` Francesco Dolcini
2024-04-22 4:37 ` [PATCH v1 0/4] arm64: dts: freescale: verdin-imx8mm/imx8mp: add sleep-moci support Shawn Guo
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