watchdog: new driver for VIA chipsets

New driver for the hardware watchdog timer on VIA chipsets.
This driver uses the new watchdog framework.
PnP must be enabled in BIOS to get full control of watchdog registers.
The timer code has been added by Wim Van Sebroeck.
Tested on a Artigo A1100, VX855 chipset.

Signed-off-by: Marc Vertes <marc.vertes@sigfox.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 79fd606b7cd5..877b107f77a7 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -772,6 +772,19 @@ config SMSC37B787_WDT
 
           Most people will say N.
 
+config VIA_WDT
+        tristate "VIA Watchdog Timer"
+        depends on X86
+        select WATCHDOG_CORE
+        ---help---
+        This is the driver for the hardware watchdog timer on VIA
+        southbridge chipset CX700, VX800/VX820 or VX855/VX875.
+
+        To compile this driver as a module, choose M here; the module
+        will be called via_wdt.
+
+        Most people will say N.
+
 config W83627HF_WDT
         tristate "W83627HF/W83627DHG Watchdog Timer"
         depends on X86