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authorAaeonIot <sophiehu@aaeon.com.tw>2021-11-17 03:40:52 +0100
committerWim Van Sebroeck <wim@linux-watchdog.org>2021-12-28 13:59:00 +0100
commitcea62f9fee0dae304d03def042f8a36f89dd337a (patch)
treec94bbb5255f6006068fa3e407753d8fd5bbf10e1 /drivers/watchdog/f71808e_wdt.c
parentwatchdog: Kconfig: enable MTK watchdog (diff)
downloadlinux-cea62f9fee0dae304d03def042f8a36f89dd337a.tar.xz
linux-cea62f9fee0dae304d03def042f8a36f89dd337a.zip
watchdog: f71808e_wdt: Add F81966 support
This adds watchdog support the Fintek F81966 Super I/O chip. Testing was done on the Aaeon SSE-OPTI Signed-off-by: AaeonIot <sophiehu@aaeon.com.tw> Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20211117024052.2427539-1-acelan.kao@canonical.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog/f71808e_wdt.c')
-rw-r--r--drivers/watchdog/f71808e_wdt.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index ee90c5f943f9..7f59c680de25 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -49,6 +49,7 @@
#define SIO_F81803_ID 0x1210 /* Chipset ID */
#define SIO_F81865_ID 0x0704 /* Chipset ID */
#define SIO_F81866_ID 0x1010 /* Chipset ID */
+#define SIO_F81966_ID 0x1502 /* F81804 chipset ID, same for f81966 */
#define F71808FG_REG_WDO_CONF 0xf0
#define F71808FG_REG_WDT_CONF 0xf5
@@ -105,7 +106,7 @@ MODULE_PARM_DESC(start_withtimeout, "Start watchdog timer on module load with"
" given initial timeout. Zero (default) disables this feature.");
enum chips { f71808fg, f71858fg, f71862fg, f71868, f71869, f71882fg, f71889fg,
- f81803, f81865, f81866};
+ f81803, f81865, f81866, f81966};
static const char * const fintek_wdt_names[] = {
"f71808fg",
@@ -118,6 +119,7 @@ static const char * const fintek_wdt_names[] = {
"f81803",
"f81865",
"f81866",
+ "f81966"
};
/* Super-I/O Function prototypes */
@@ -347,6 +349,7 @@ static int fintek_wdt_start(struct watchdog_device *wdd)
break;
case f81866:
+ case f81966:
/*
* GPIO1 Control Register when 27h BIT3:2 = 01 & BIT0 = 0.
* The PIN 70(GPIO15/WDTRST) is controlled by 2Ch:
@@ -373,7 +376,7 @@ static int fintek_wdt_start(struct watchdog_device *wdd)
superio_select(wd->sioaddr, SIO_F71808FG_LD_WDT);
superio_set_bit(wd->sioaddr, SIO_REG_ENABLE, 0);
- if (wd->type == f81865 || wd->type == f81866)
+ if (wd->type == f81865 || wd->type == f81866 || wd->type == f81966)
superio_set_bit(wd->sioaddr, F81865_REG_WDO_CONF,
F81865_FLAG_WDOUT_EN);
else
@@ -580,6 +583,9 @@ static int __init fintek_wdt_find(int sioaddr)
case SIO_F81866_ID:
type = f81866;
break;
+ case SIO_F81966_ID:
+ type = f81966;
+ break;
default:
pr_info("Unrecognized Fintek device: %04x\n",
(unsigned int)devid);