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>
Subject: [PATCH 2/3] dt-bindings: watchdog: sunxi: Add compatible for D1
Date: Sun, 25 Jul 2021 22:51:42 -0500 [thread overview]
Message-ID: <20210726035143.53132-2-samuel@sholland.org> (raw)
In-Reply-To: <20210726035143.53132-1-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.
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
.../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 853ceb1b7c0f..756e6ab99860 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
@@ -59,6 +60,7 @@ if:
compatible:
contains:
enum:
+ - allwinner,sun20i-d1-wdt
- allwinner,sun50i-r329-wdt
then:
--
2.31.1
next prev parent reply other threads:[~2021-07-26 3:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 3:51 [PATCH 1/3] dt-bindings: watchdog: sunxi: Add compatible for R329 Samuel Holland
2021-07-26 3:51 ` Samuel Holland [this message]
2021-07-29 4:24 ` [PATCH 2/3] dt-bindings: watchdog: sunxi: Add compatible for D1 Guenter Roeck
2021-07-29 22:39 ` Rob Herring
2021-07-30 1:14 ` Guenter Roeck
2021-07-29 22:40 ` Rob Herring
2021-07-26 3:51 ` [PATCH 3/3] watchdog: sunxi_wdt: Add support " Samuel Holland
2021-07-29 4:11 ` Guenter Roeck
2021-07-29 12:18 ` [PATCH 1/3] dt-bindings: watchdog: sunxi: Add compatible for R329 Maxime Ripard
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