watchdog: it87_wdt: Add support for IT8728F watchdog.
This works the same way IT8721F works, but it supports WDT_PWROK
(checked on the datasheet).
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0542314..66e77ad 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -596,7 +596,12 @@
depends on X86 && EXPERIMENTAL
---help---
This is the driver for the hardware watchdog on the ITE IT8702,
- IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 Super I/O chips.
+ IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
+ Super I/O chips.
+
+ If the driver does not work, then make sure that the game port in
+ the BIOS is enabled.
+
This watchdog simply watches your kernel to make sure it doesn't
freeze, and if it does, it reboots your computer after a certain
amount of time.
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index 8a741bc..d3dcc69 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -12,7 +12,8 @@
* http://www.ite.com.tw/
*
* Support of the watchdog timers, which are available on
- * IT8702, IT8712, IT8716, IT8718, IT8720, IT8721 and IT8726.
+ * IT8702, IT8712, IT8716, IT8718, IT8720, IT8721, IT8726
+ * and IT8728.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -84,6 +85,7 @@
#define IT8720_ID 0x8720
#define IT8721_ID 0x8721
#define IT8726_ID 0x8726 /* the data sheet suggest wrongly 0x8716 */
+#define IT8728_ID 0x8728
/* GPIO Configuration Registers LDN=0x07 */
#define WDTCTRL 0x71
@@ -95,7 +97,7 @@
#define WDT_CIRINT 0x80
#define WDT_MOUSEINT 0x40
#define WDT_KYBINT 0x20
-#define WDT_GAMEPORT 0x10 /* not in it8718, it8720, it8721 */
+#define WDT_GAMEPORT 0x10 /* not in it8718, it8720, it8721, it8728 */
#define WDT_FORCE 0x02
#define WDT_ZERO 0x01
@@ -616,6 +618,7 @@
case IT8718_ID:
case IT8720_ID:
case IT8721_ID:
+ case IT8728_ID:
max_units = 65535;
try_gameport = 0;
break;