From: Rob Herring <robh@kernel.org>
To: Samuel Holland <samuel@sholland.org>
Cc: linux-sunxi@lists.linux.dev, Chen-Yu Tsai <wens@csie.org>,
linux-arm-kernel@lists.infradead.org,
Maxime Ripard <mripard@kernel.org>,
linux-watchdog@vger.kernel.org,
Wim Van Sebroeck <wim@linux-watchdog.org>,
linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>,
devicetree@vger.kernel.org,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Icenowy Zheng <icenowy@aosc.io>, Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v3 2/3] dt-bindings: watchdog: sunxi: Add compatibles for D1
Date: Tue, 7 Sep 2021 14:09:08 -0500 [thread overview]
Message-ID: <YTe41ClZvYS/llHF@robh.at.kernel.org> (raw)
In-Reply-To: <20210902225750.29313-3-samuel@sholland.org>
On Thu, 02 Sep 2021 17:57:49 -0500, Samuel Holland wrote:
> D1 keeps the same register layout and clock sources as the R329, but it
> adds a key field which must be set to update the watchdog's "CFG" and
> "MODE" registers. Therefore it is not backward-compatible.
>
> Similarly to the R329, the D1 has three watchdog instances, and only one
> of them has the "soft reset" registers. So that instance needs an extra
> compatible string.
>
> Signed-off-by: Samuel Holland <samuel@sholland.org>
> ---
> Changes v2 to v3:
> - Add additional allwinner,sun20i-d1-wdt-reset compatible
> Changes v1 to v2:
> - None
>
> .../bindings/watchdog/allwinner,sun4i-a10-wdt.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2021-09-07 19:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 22:57 [PATCH v3 0/3] Allwinner R329 and D1 watchdog support Samuel Holland
2021-09-02 22:57 ` [PATCH v3 1/3] dt-bindings: watchdog: sunxi: Add compatibles for R329 Samuel Holland
2021-09-03 9:30 ` Maxime Ripard
2021-09-03 16:07 ` Rob Herring
2021-09-04 15:10 ` Guenter Roeck
2021-09-02 22:57 ` [PATCH v3 2/3] dt-bindings: watchdog: sunxi: Add compatibles for D1 Samuel Holland
2021-09-03 9:30 ` Maxime Ripard
2021-09-04 15:11 ` Guenter Roeck
2021-09-07 19:09 ` Rob Herring [this message]
2021-09-02 22:57 ` [PATCH v3 3/3] watchdog: sunxi_wdt: Add support " Samuel Holland
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