watchdog: Add support for Armada 37xx CPU watchdog
This adds support for the CPU watchdog found on Marvell Armada 37xx
SoCs.
There are 4 counters which can be set as CPU watchdog counters.
This driver uses the second counter (ID 1, counting from 0)
(Marvell's Linux also uses second counter by default).
In the future it could be adapted to use other counters, with
definition in the device tree.
Signed-off-by: Marek Behun <marek.behun@nic.cz>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index dca2c90..148c6a0 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -60,6 +60,15 @@
can be probed and supports all of the methods of WDT, but does not
really do anything.
+config WDT_ARMADA_37XX
+ bool "Marvell Armada 37xx watchdog timer support"
+ depends on WDT && ARMADA_3700
+ help
+ Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
+ There are 4 possible clocks which can be used on these SoCs. This
+ driver uses the second clock (ID 1), assuming that so will also
+ Linux's driver.
+
config WDT_ASPEED
bool "Aspeed ast2400/ast2500 watchdog timer support"
depends on WDT