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From: Samuel Holland <samuel@sholland.org>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>,
	Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-watchdog@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Samuel Holland <samuel@sholland.org>,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v2 2/3] dt-bindings: watchdog: sunxi: Add compatible for D1
Date: Wed,  4 Aug 2021 23:57:15 -0500	[thread overview]
Message-ID: <20210805045716.46141-2-samuel@sholland.org> (raw)
In-Reply-To: <20210805045716.46141-1-samuel@sholland.org>

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.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
Changes v1 to v2:
 - None.

 .../devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
index 8fa5b0d32381..6ef5e7caae80 100644
--- a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
@@ -29,6 +29,7 @@ properties:
       - items:
           - const: allwinner,suniv-f1c100s-wdt
           - const: allwinner,sun4i-a10-wdt
+      - const: allwinner,sun20i-d1-wdt
 
   reg:
     maxItems: 1
@@ -61,6 +62,7 @@ if:
     compatible:
       contains:
         enum:
+          - allwinner,sun20i-d1-wdt
           - allwinner,sun50i-r329-wdt
 
 then:
-- 
2.31.1


  reply	other threads:[~2021-08-05  4:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05  4:57 [PATCH v2 1/3] dt-bindings: watchdog: sunxi: Add compatible for R329 Samuel Holland
2021-08-05  4:57 ` Samuel Holland [this message]
2021-08-18  9:07   ` [PATCH v2 2/3] dt-bindings: watchdog: sunxi: Add compatible for D1 Maxime Ripard
2021-08-28 16:23   ` Guenter Roeck
2021-08-05  4:57 ` [PATCH v2 3/3] watchdog: sunxi_wdt: Add support " Samuel Holland
2021-08-18  9:08   ` Maxime Ripard
2021-08-13 17:46 ` [PATCH v2 1/3] dt-bindings: watchdog: sunxi: Add compatible for R329 Rob Herring
2021-08-18  9:07 ` Maxime Ripard
2021-08-20  4:04   ` Samuel Holland

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