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authorMarcus Folkesson <marcus.folkesson@gmail.com>2018-02-11 21:08:42 +0100
committerWim Van Sebroeck <wim@linux-watchdog.org>2018-03-03 17:04:13 +0100
commit1d1dedc2169416198a48cd43cee9bdd1a9c939ac (patch)
tree00faa52edafd88b99478a5170cc2c4879abe3248 /Documentation/devicetree/bindings/watchdog
parentwatchdog: sama5d4: make use of timeout-secs provided in devicetree (diff)
downloadlinux-1d1dedc2169416198a48cd43cee9bdd1a9c939ac.tar.xz
linux-1d1dedc2169416198a48cd43cee9bdd1a9c939ac.zip
watchdog: sunxi: allow setting timeout in devicetree
watchdog_init_timeout() will allways pick timeout_param since it defaults to a valid timeout. By following best practice described in Documentation/watchdog/watchdog-kernel-api.txt, it also let us to set timout-sec property in devicetree. Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
-rw-r--r--Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
index 62dd5baad70e..49900e72f6b1 100644
--- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
@@ -6,9 +6,13 @@ Required properties:
"allwinner,sun6i-a31-wdt"
- reg : Specifies base physical address and size of the registers.
+Optional properties:
+- timeout-sec : Contains the watchdog timeout in seconds
+
Example:
wdt: watchdog@1c20c90 {
compatible = "allwinner,sun4i-a10-wdt";
reg = <0x01c20c90 0x10>;
+ timeout-sec = <10>;
};