diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index abf5e7873a18..ef773db080e9 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -918,7 +918,11 @@ static const struct platform_device_id sh_cmt_id_table[] = {
 MODULE_DEVICE_TABLE(platform, sh_cmt_id_table);
 
 static const struct of_device_id sh_cmt_of_table[] __maybe_unused = {
-	{ .compatible = "renesas,cmt-48", .data = &sh_cmt_info[SH_CMT_48BIT] },
+	{
+		/* deprecated, preserved for backward compatibility */
+		.compatible = "renesas,cmt-48",
+		.data = &sh_cmt_info[SH_CMT_48BIT]
+	},
 	{
 		/* deprecated, preserved for backward compatibility */
 		.compatible = "renesas,cmt-48-gen2",