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watchdog: driver support for fsl-lsch2

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Support watchdog driver for fsl-lsch2. It's disabled in default.
If you want to use it, please enable CONFIG_IMX_WATCHDOG.
Define CONFIG_WATCHDOG_TIMEOUT_MSECS to set watchdog timeout.

Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
This commit is contained in:
Xiaoliang Yang
2018-10-18 18:27:45 +08:00
committed by Stefano Babic
parent 4dcbccf794
commit 005c1cf888
3 changed files with 18 additions and 0 deletions
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9
arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch2
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@@ -8,3 +8,12 @@ Freescale LayerScape with Chassis Generation 2
This architecture supports Freescale ARMv8 SoCs with Chassis generation 2,
for example LS1043A.
Watchdog support Overview
-------------------
Support watchdog driver for LSCH2. The driver is disabled in default.
You can enable it by setting CONFIG_IMX_WATCHDOG.
Use following config to set watchdog timeout, if this config is not defined,
the default timeout value is 128s which is the maximum. Set 10 seconds for
example:
#define CONFIG_WATCHDOG_TIMEOUT_MSECS 10000