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authorXiaoliang Yang <xiaoliang.yang_1@nxp.com>2018-10-18 18:27:45 +0800
committerStefano Babic <sbabic@denx.de>2019-01-01 14:12:18 +0100
commit005c1cf888a7ad72bd0f9ceb6f6b2eee7720f7b0 (patch)
treeee05963d702a2a6fdee4f75992ca417478c3dba9 /arch/arm/cpu
parent4dcbccf794a330895ee2aeba6964a94b33c60eda (diff)
downloadu-boot-005c1cf888a7ad72bd0f9ceb6f6b2eee7720f7b0.tar.gz
watchdog: driver support for fsl-lsch2
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>
Diffstat (limited to 'arch/arm/cpu')
-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