watchdog: ep93xx: add DT support for Cirrus EP93xx

Add OF ID match table.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index 59dfd7f6bf0ba1ffa9a96755eefbed7e2bd96e11..af89b7bb8f66ee683cf4b130e9931b8bea761f98 100644 (file)
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/watchdog.h>
 #include <linux/io.h>
@@ -127,9 +128,16 @@ static int ep93xx_wdt_probe(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id ep93xx_wdt_of_ids[] = {
+       { .compatible = "cirrus,ep9301-wdt" },
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_wdt_of_ids);
+
 static struct platform_driver ep93xx_wdt_driver = {
        .driver         = {
                .name   = "ep93xx-wdt",
+               .of_match_table = ep93xx_wdt_of_ids,
        },
        .probe          = ep93xx_wdt_probe,
 };