diff --git a/drivers/rtc/rtc-rzn1.c b/drivers/rtc/rtc-rzn1.c
index 906d03c65df3..1e1676a7f3cc 100644
--- a/drivers/rtc/rtc-rzn1.c
+++ b/drivers/rtc/rtc-rzn1.c
@@ -523,11 +523,16 @@ static int rzn1_rtc_probe(struct platform_device *pdev)
 	return devm_rtc_register_device(rtc->rtcdev);
 }
 
+static const struct rzn1_rtc_data rzn1_rtc_rzt2h_data = {
+	.has_subu = false,
+};
+
 static const struct rzn1_rtc_data rzn1_rtc_rzn1_data = {
 	.has_subu = true,
 };
 
 static const struct of_device_id rzn1_rtc_of_match[] = {
+	{ .compatible	= "renesas,r9a09g077-rtc", .data = &rzn1_rtc_rzt2h_data },
 	{ .compatible	= "renesas,rzn1-rtc", .data = &rzn1_rtc_rzn1_data },
 	{ /* sentinel */ }
 };