watchdog: Add support for sp5100 chipset TCO

This driver adds /dev/watchdog support for the AMD sp5100 aka SB7x0 chipsets.

It follows the same conventions found in other /dev/watchdog drivers.

Signed-off-by: Priyanka Gupta <priyankag@google.com>
Signed-off-by: Mike Waychison <mikew@google.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 3c6607ddcd20..c48faa5ade73 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -418,6 +418,17 @@ config F71808E_WDT
           You can compile this driver directly into the kernel, or use
           it as a module.  The module will be called f71808e_wdt.
 
+config SP5100_TCO
+        tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
+        depends on X86 && PCI
+        ---help---
+          Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
+          (Total Cost of Ownership) timer is a watchdog timer that will reboot
+          the machine after its expiration. The expiration time can be
+          configured with the "heartbeat" parameter.
+
+          To compile this driver as a module, choose M here: the
+          module will be called sp5100_tco.
 
 config GEODE_WDT
         tristate "AMD Geode CS5535/CS5536 Watchdog"