[WATCHDOG] twl4030 watchdog driver

Implementation of twl4030 watchdog driver.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@nokia.com>
Signed-off-by: Atal Shargorodsky <ext-atal.shargorodsky@nokia.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index cd1008c19cd7..ca54996ffd0e 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -101,6 +101,12 @@
 #define twl_has_usb()   false
 #endif
 
+#if defined(CONFIG_TWL4030_WATCHDOG) || \
+        defined(CONFIG_TWL4030_WATCHDOG_MODULE)
+#define twl_has_watchdog()        true
+#else
+#define twl_has_watchdog()        false
+#endif
 
 /* Triton Core internal information (BEGIN) */
 
@@ -526,6 +532,12 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
                 usb_transceiver = child;
         }
 
+        if (twl_has_watchdog()) {
+                child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0);
+                if (IS_ERR(child))
+                        return PTR_ERR(child);
+        }
+
         if (twl_has_regulator()) {
                 /*
                 child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);