diff --git a/src/soc/mediatek/mt8189/Makefile.mk b/src/soc/mediatek/mt8189/Makefile.mk
index c0501d45a1..915728ba1a 100644
--- a/src/soc/mediatek/mt8189/Makefile.mk
+++ b/src/soc/mediatek/mt8189/Makefile.mk
@@ -27,6 +27,7 @@ romstage-y += ../common/pll.c pll.c
 romstage-y += ../common/pmif.c ../common/pmif_clk.c ../common/pmif_init.c pmif_clk.c
 romstage-y += ../common/pmif_spi.c pmif_spi.c
 romstage-y += ../common/pmif_spmi.c pmif_spmi.c
+romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c
 
 ramstage-$(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) += ../common/bl31.c
 ramstage-y += ../common/dramc_info.c
@@ -39,6 +40,7 @@ ramstage-y += ../common/mtcmos.c mtcmos.c
 ramstage-y += ../common/pmif.c ../common/pmif_clk.c ../common/pmif_init.c pmif_clk.c
 ramstage-y += ../common/pmif_spi.c pmif_spi.c
 ramstage-y += ../common/pmif_spmi.c pmif_spmi.c
+ramstage-y += ../common/rtc.c ../common/rtc_mt6359p.c ../common/rtc_osc_init.c
 ramstage-y += soc.c
 ramstage-y += ../common/usb.c usb.c
 
diff --git a/src/soc/mediatek/mt8189/include/soc/rtc.h b/src/soc/mediatek/mt8189/include/soc/rtc.h
new file mode 100644
index 0000000000..28464a90af
--- /dev/null
+++ b/src/soc/mediatek/mt8189/include/soc/rtc.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
+
+#ifndef __SOC_MEDIATEK_MT8189_INCLUDE_SOC_RTC_H__
+#define __SOC_MEDIATEK_MT8189_INCLUDE_SOC_RTC_H__
+
+#include <soc/pmif.h>
+#include <soc/rtc_common.h>
+#include <soc/rtc_mt6359p.h>
+#include <soc/rtc_reg_common.h>
+#include <stdbool.h>
+
+#endif /* __SOC_MEDIATEK_MT8189_INCLUDE_SOC_RTC_H__ */