From 198ca0153412a97e968b5deb67d789000faef129 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.eu> Date: Wed, 14 Mar 2012 20:49:04 +0100 Subject: [PATCH] watchdog: it87_wdt: Add support for IT8728F watchdog. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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> --- drivers/watchdog/Kconfig | 7 ++++++- drivers/watchdog/it87_wdt.c | 7 +++++-- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 0542314e1510..66e77ad5ad6f 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -596,7 +596,12 @@ config IT87_WDT 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 8a741bcb5124..d3dcc6988b5f 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 @@ static int __init it87_wdt_init(void) case IT8718_ID: case IT8720_ID: case IT8721_ID: + case IT8728_ID: max_units = 65535; try_gameport = 0; break; -- 2.34.1