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authorKeiji Hayashibara <hayashibara.keiji@socionext.com>2017-06-14 16:53:44 +0900
committerWim Van Sebroeck <wim@iguana.be>2017-07-03 13:58:55 +0200
commite7bf02895f06c0603af800c4bfce3ca4ede9147d (patch)
tree773893c7cac09aefaff992d4e2342616ca26f9db /Documentation/watchdog
parente75bf0ea77e9778e9a1975eb9b38698babcbde63 (diff)
downloadlinux-e7bf02895f06c0603af800c4bfce3ca4ede9147d.tar.bz2
watchdog: uniphier: add UniPhier watchdog driver
Add a watchdog driver for Socionext UniPhier series SoC. Note that the timeout value for this device must be a power of 2 because of the specification. Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'Documentation/watchdog')
-rw-r--r--Documentation/watchdog/watchdog-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt
index 914518aeb972..b3526365ea8e 100644
--- a/Documentation/watchdog/watchdog-parameters.txt
+++ b/Documentation/watchdog/watchdog-parameters.txt
@@ -369,6 +369,12 @@ timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
+uniphier_wdt:
+timeout: Watchdog timeout in power of two seconds.
+ (1 <= timeout <= 128, default=64)
+nowayout: Watchdog cannot be stopped once started
+ (default=kernel config parameter)
+-------------------------------------------------
w83627hf_wdt:
wdt_io: w83627hf/thf WDT io port (default 0x2E)
timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.