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Date:   Thu, 11 Apr 2019 17:39:53 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Icenowy Zheng <icenowy@...c.io>
Cc:     devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-sunxi@...glegroups.com,
        Clément Péron <peron.clem@...il.com>
Subject: Re: [PATCH v2 0/3] Add Watchdog for H6

On Thu, 11 Apr 2019 at 17:34, Clément Péron <peron.clem@...il.com> wrote:
>
> Hi,
>
> Allwinner H6 SoC has two watchdogs. The documented watchdog is identicaly
> the same reading the user manual as the one used in the A64.
>
> After investigation it seems that on some SoC the first watchdog doesn't
> make the board reboot.
> Some tests has been performed and it seems that first H6 version aren't
> affected only the latest one.
>
> Chen-Yu Tsai's boards:
> Pine H64 - H6 V200-AWIN H6448BA 7782 => OK
> OrangePi Lite 2 - H6 V200-AWIN H8068BA 61C2 => KO
>
> Clément Péron's board:
> Beelink GS1 - H6 V200-AWIN H7309BA 6842 => KO
>
> I think it could good to add it with a comment anyway.
> In case a user want to activate it and isn't aware of this issue.
>
> The r_watchdog is still available and usable on all the H6 boards.

Changes since v1:
 - Use A64 compatible instead of H6
 - Remove dt-bindings patch
 - Change watchdog status to disabled
 - Add r_watchdog node patch
 - Add enable sunxi watchdog patch

>
> Thanks,
> Clément
>
> Clément Péron (3):
>   arm64: dts: allwinner: h6: add watchdog node
>   arm64: dts: allwinner: h6: add r_watchog node
>   arm64: defconfig: Enable Sunxi watchdog
>
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 16 ++++++++++++++++
>  arch/arm64/configs/defconfig                 |  1 +
>  2 files changed, 17 insertions(+)
>
> --
> 2.17.1
>

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