From: khilman@baylibre•com (Kevin Hilman)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM64: dts: meson-gxbb: p20x: add card regulator settle times
Date: Tue, 01 Aug 2017 12:49:09 -0700 [thread overview]
Message-ID: <7h1sovysp6.fsf@baylibre.com> (raw)
In-Reply-To: <20170801152224.15754-1-jbrunet@baylibre.com> (Jerome Brunet's message of "Tue, 1 Aug 2017 17:22:24 +0200")
Jerome Brunet <jbrunet@baylibre•com> writes:
> Changing the card voltage on the p200 is not instantaneous, especially
> when switching from 3.3v to 1.8v.
>
> I take at least 70ms for the regulator to go from 3.3v to 1.8v. Add
> margin to that to make sure we don't upset the sdcard during the voltage
> switch
>
> Fixes: ef8d2ffedf18 ("ARM64: dts: meson-gxbb: add MMC support")
> Signed-off-by: Jerome Brunet <jbrunet@baylibre•com>
Applied to v4.14/dt64,
Thanks,
Kevin
prev parent reply other threads:[~2017-08-01 19:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-01 15:22 [PATCH] ARM64: dts: meson-gxbb: p20x: add card regulator settle times Jerome Brunet
2017-08-01 19:49 ` Kevin Hilman [this message]
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