watchdog: coh901327: devicetree support
This adds support for probing the COH 901 327 watchdog from
the device tree and also adds associated bindings.
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index b9b8a8b..4bd070f 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -354,9 +354,9 @@
clk_disable(clk);
- if (margin < 1 || margin > 327)
- margin = 60;
- coh901327_wdt.timeout = margin;
+ ret = watchdog_init_timeout(&coh901327_wdt, margin, &pdev->dev);
+ if (ret < 0)
+ coh901327_wdt.timeout = 60;
ret = watchdog_register_device(&coh901327_wdt);
if (ret == 0)
@@ -441,10 +441,16 @@
/* Return and await doom */
}
+static const struct of_device_id coh901327_dt_match[] = {
+ { .compatible = "stericsson,coh901327" },
+ {},
+};
+
static struct platform_driver coh901327_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "coh901327_wdog",
+ .of_match_table = coh901327_dt_match,
},
.remove = __exit_p(coh901327_remove),
.suspend = coh901327_suspend,