Re: [PATCH v4 09/11] ARM: tegra: add support for warm reset GPIO

From: Andrew Bresticker
Date: Wed Feb 11 2015 - 12:17:52 EST


Hi Tomeu,

On Wed, Feb 11, 2015 at 7:06 AM, Tomeu Vizoso
<tomeu.vizoso@xxxxxxxxxxxxx> wrote:
> From: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
>
> Allow for a warm reset GPIO to be passed to the PMC driver via DT
> which will be used to reset the system instead of writing to PMC_CTRL.
> The GPIO will be asserted at reset time and, if this fails to reset
> the system, we'll fall back to using PMC_CTRL.
>
> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
> [tomeu.vizoso@xxxxxxxxxxxxx: Rebased]
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>

There's actually gpio-restart driver now, which I think is what you
want instead of this. See drivers/power/reset/gpio-restart.c.
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