From: Mark Brown <broonie@kernel.org>
To: Fabio Estevam <fabio.estevam@nxp.com>
Cc: festevam@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] regulator: pfuze100: Allow pfuze3000 to not go to low power mode
Date: Wed, 17 Aug 2016 16:41:20 +0100 [thread overview]
Message-ID: <20160817154120.GL9347@sirena.org.uk> (raw)
In-Reply-To: <1471437381-1752-1-git-send-email-fabio.estevam@nxp.com>
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On Wed, Aug 17, 2016 at 09:36:21AM -0300, Fabio Estevam wrote:
> On a imx6ul-pico board, after issuing a "echo mem > /sys/power/state"
> the board goes trough a POR reset instead of going into suspend.
> This happens because the pfuze3000 goes to low power by default when the
> system goes to suspend.
> This behaviour is controlled by the STBY_LOWPOWER_B bit of register
> LDOGCTL as explained in the pfuze3000 datasheet:
> "When STBY_LOWPOWER_B bit is set to 1, the front-end LDO does not enter
> in low-power mode during IC standby mode."
> Introduce a "fsl,low-power-mode-disabled" property that allows the
> pfuze3000 to not enter low-power mode during system standby.
We already have suspend mode configuration for regulators, shouldn't
this just be done via that interface?
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prev parent reply other threads:[~2016-08-17 15:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-17 12:36 Fabio Estevam
2016-08-17 15:41 ` Mark Brown [this message]
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