From cea62f9fee0dae304d03def042f8a36f89dd337a Mon Sep 17 00:00:00 2001 From: AaeonIot Date: Wed, 17 Nov 2021 10:40:52 +0800 Subject: [PATCH] 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 Signed-off-by: Chia-Lin Kao (AceLan) Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20211117024052.2427539-1-acelan.kao@canonical.com Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/f71808e_wdt.c | 10 ++++++++-- 1 file 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); -- 2.11.0