This patch adds Device tree probing support for ARM Mpcore watchdog. Its binding
were already documented in Documentation/devicetree/bindings/arm/twd.txt.
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
drivers/watchdog/mpcore_wdt.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index d7ee4eb..50f5a0b 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -27,6 +27,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/reboot.h>
@@ -403,6 +404,16 @@ static SIMPLE_DEV_PM_OPS(mpcore_wdt_dev_pm_ops, mpcore_wdt_suspend,
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:mpcore_wdt");
+#ifdef CONFIG_OF
+static const struct of_device_id mpcore_wdt_id_table[] = {
+ { .compatible = "arm,cortex-a9-twd-wdt" },
+ { .compatible = "arm,cortex-a5-twd-wdt" },
+ { .compatible = "arm,arm11mp-twd-wdt" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mpcore_wdt_id_table);
+#endif
+
static struct platform_driver mpcore_wdt_driver = {
.probe = mpcore_wdt_probe,
.remove = mpcore_wdt_remove,
@@ -411,6 +422,7 @@ static struct platform_driver mpcore_wdt_driver = {
.owner = THIS_MODULE,
.name = "mpcore_wdt",
.pm = &mpcore_wdt_dev_pm_ops,
+ .of_match_table = of_match_ptr(mpcore_wdt_id_table),
},
};
--
1.7.12.rc2.18.g61b472e
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