[RESEND/PATCH v4 0/9] Watchdog support for Armada 375/38x SoC
Jason Cooper
jason at lakedaemon.net
Wed Apr 23 21:51:53 PDT 2014
On Mon, Apr 14, 2014 at 10:23:24AM -0300, Ezequiel Garcia wrote:
> Here's the fourth round of the patchset adding support for watchdog
> on Armada 375 and Armada 38x SoCs, rebased on v3.15-rc1 and with
> collected Tested-by's.
>
> The new Armada 375/385 SoCs have two registers for the watchdog RSTOUT:
>
> 1. It has a dedicated register (similar to the one in A370/XP)
> 2. Also has a bit in a shared RSTOUT register.
>
> Therefore, in order to support this two-folded RSTOUT, we extend the 'reg'
> property in the watchdog devicetree and require a new pair of cells to specify
> the shared RSTOUT.
>
> On the driver side, we need to implement per-SoC stop() and enabled()
> functions. Such somewhat complex infrastructure is needed to ensure the driver
> performs proper reset of the watchdog timer, by masking and disabling the
> RSTOUT before the interrupt is enabled.
>
> Tested on A375-DB, A385-DB, A370-RD and Dove Cubox. Sebastian did more tests
> on Dove, and Jason Gunthorpe on Kirkwood.
Applied patches 7 and 8 to mvebu/dt. For the rest,
Acked-by: Jason Cooper <jason at lakedaemon.net>
thx,
Jason.
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