watchdog: add MT7621 watchdog support

This patch adds support for the watchdog core found on newer MediaTek Wifi
SoCs MT7621 and MT7628. There is no symbol for MT7628 as it is a subtype of
MT7620 so we depend on that instead.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index afb7f91795cb..4f0e7be0da34 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1403,6 +1403,13 @@ config RALINK_WDT
         help
           Hardware driver for the Ralink SoC Watchdog Timer.
 
+config MT7621_WDT
+        tristate "Mediatek SoC watchdog"
+        select WATCHDOG_CORE
+        depends on SOC_MT7620 || SOC_MT7621
+        help
+          Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
+
 # PARISC Architecture
 
 # POWERPC Architecture