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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch29
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch2 b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch2
index a6ef830069..9176546525 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch2
+++ b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch2
@@ -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