rtc: ds1390: Add OF device ID table

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. Worse, the compatible is documented but
doesn't currently match the driver.

Add the proper compatible to the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index aa0d2c6f1edc..4d5b007d7fc6 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -216,9 +216,16 @@ static int ds1390_probe(struct spi_device *spi)
         return res;
 }
 
+static const struct of_device_id ds1390_of_match[] = {
+        { .compatible = "dallas,ds1390" },
+        {}
+};
+MODULE_DEVICE_TABLE(of, ds1390_of_match);
+
 static struct spi_driver ds1390_driver = {
         .driver = {
                 .name   = "rtc-ds1390",
+                .of_match_table = of_match_ptr(ds1390_of_match),
         },
         .probe  = ds1390_probe,
 };