watchdog: f71808e_wdt: Add Fintek F71869 watchdog

Add Fintek f71869 as a supported watchdog device.

Signed-off-by: Michel Arboi <michel@arboi.fr.eu.org>
Acked-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index f573948998b0..d4d8d1fdccc4 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -53,6 +53,7 @@
 #define SIO_F71808_ID           0x0901  /* Chipset ID */
 #define SIO_F71858_ID           0x0507  /* Chipset ID */
 #define SIO_F71862_ID           0x0601  /* Chipset ID */
+#define SIO_F71869_ID           0x0814  /* Chipset ID */
 #define SIO_F71882_ID           0x0541  /* Chipset ID */
 #define SIO_F71889_ID           0x0723  /* Chipset ID */
 
@@ -108,12 +109,13 @@ module_param(start_withtimeout, uint, 0);
 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, f71882fg, f71889fg };
+enum chips { f71808fg, f71858fg, f71862fg, f71869, f71882fg, f71889fg };
 
 static const char *f71808e_names[] = {
         "f71808fg",
         "f71858fg",
         "f71862fg",
+        "f71869",
         "f71882fg",
         "f71889fg",
 };
@@ -341,6 +343,11 @@ static int watchdog_start(void)
                         goto exit_superio;
                 break;
 
+        case f71869:
+                /* GPIO14 --> WDTRST# */
+                superio_clear_bit(watchdog.sioaddr, SIO_REG_MFUNCT1, 4);
+                break;
+
         case f71882fg:
                 /* Set pin 56 to WDTRST# */
                 superio_set_bit(watchdog.sioaddr, SIO_REG_MFUNCT1, 1);
@@ -753,6 +760,9 @@ static int __init f71808e_find(int sioaddr)
                 watchdog.type = f71862fg;
                 err = f71862fg_pin_configure(0); /* validate module parameter */
                 break;
+        case SIO_F71869_ID:
+                watchdog.type = f71869;
+                break;
         case SIO_F71882_ID:
                 watchdog.type = f71882fg;
                 break;