From: Rob Herring <robh@kernel.org>
To: Elad Nachman <enachman@marvell.com>
Cc: wim@linux-watchdog.org, linux@roeck-us.net,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
gregory.clement@bootlin.com, chris.packham@alliedtelesis.co.nz,
andrew@lunn.ch, fu.wei@linaro.org, Suravee.Suthikulpanit@amd.com,
al.stone@linaro.org, timur@codeaurora.org,
linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, cyuval@marvell.com
Subject: Re: [PATCH 0/3] watchdog: sbsa_gwdt: add support for Marvell ac5
Date: Fri, 15 Dec 2023 11:48:26 -0600 [thread overview]
Message-ID: <20231215174826.GA52386-robh@kernel.org> (raw)
In-Reply-To: <20231214150414.1849058-1-enachman@marvell.com>
On Thu, Dec 14, 2023 at 05:04:11PM +0200, Elad Nachman wrote:
> From: Elad Nachman <enachman@marvell.com>
>
> Add support for Marvell ac5/x variant of the ARM
> sbsa global watchdog. This watchdog deviates from
> the standard driver by the following items:
>
> 1. Registers reside in secure register section.
> hence access is only possible via SMC calls to ATF.
Oops.
> 2. There are couple more registers which reside in
> other register areas, which needs to be configured
> in order for the watchdog to properly generate
> reset through the SOC.
Your firmware should configure these.
>
> The new Marvell compatibility string differentiates between
> the original sbsa mode of operation and the Marvell mode of
> operation.
>
>
> Elad Nachman (3):
> dt-bindings: watchdog: add Marvell AC5 watchdog
> arm64: dts: ac5: add watchdog nodes
> watchdog: sbsa_gwdt: add support for Marvell ac5
>
> .../bindings/watchdog/arm,sbsa-gwdt.yaml | 52 +++-
> arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 14 +
> arch/arm64/boot/dts/marvell/ac5-98dx35xx.dtsi | 8 +
> drivers/watchdog/sbsa_gwdt.c | 247 ++++++++++++++++--
> 4 files changed, 298 insertions(+), 23 deletions(-)
>
> --
> 2.25.1
>
prev parent reply other threads:[~2023-12-15 17:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 15:04 [PATCH 0/3] watchdog: sbsa_gwdt: add support for Marvell ac5 Elad Nachman
2023-12-14 15:04 ` [PATCH 1/3] dt-bindings: watchdog: add Marvell AC5 watchdog Elad Nachman
2023-12-14 15:13 ` Krzysztof Kozlowski
2023-12-14 15:04 ` [PATCH 2/3] arm64: dts: ac5: add watchdog nodes Elad Nachman
2023-12-14 15:15 ` Krzysztof Kozlowski
2023-12-14 15:04 ` [PATCH 3/3] watchdog: sbsa_gwdt: add support for Marvell ac5 Elad Nachman
2023-12-14 15:16 ` Krzysztof Kozlowski
2023-12-15 1:08 ` kernel test robot
2023-12-15 18:01 ` Rob Herring
2023-12-15 19:12 ` Guenter Roeck
2023-12-15 22:35 ` kernel test robot
2023-12-17 3:08 ` kernel test robot
2023-12-20 14:03 ` Rob Herring
2023-12-15 4:21 ` [PATCH 0/3] " Chris Packham
2023-12-15 17:48 ` Rob Herring [this message]
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