iio: magnetometer: mmc35240: Add DT binding

Signed-off-by: Jandy Gou <qingsong.gou@ck-telecom.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/magnetometer/mmc35240.c

@@ -550,6 +550,12 @@ static const struct dev_pm_ops mmc35240_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(mmc35240_suspend, mmc35240_resume)
 };
 
+static const struct of_device_id mmc35240_of_match[] = {
+	{ .compatible = "memsic,mmc35240", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, mmc35240_of_match);
+
 static const struct acpi_device_id mmc35240_acpi_match[] = {
 	{"MMC35240", 0},
 	{ },
@@ -565,6 +571,7 @@ MODULE_DEVICE_TABLE(i2c, mmc35240_id);
 static struct i2c_driver mmc35240_driver = {
 	.driver = {
 		.name = MMC35240_DRV_NAME,
+		.of_match_table = mmc35240_of_match,
 		.pm = &mmc35240_pm_ops,
 		.acpi_match_table = ACPI_PTR(mmc35240_acpi_match),
 	},