diff --git a/src/soc/mediatek/common/include/soc/rtc_reg_common.h b/src/soc/mediatek/common/include/soc/rtc_reg_common.h
new file mode 100644
index 0000000000..88a43e35ec
--- /dev/null
+++ b/src/soc/mediatek/common/include/soc/rtc_reg_common.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_RTC_REG_COMMON_H
+#define SOC_MEDIATEK_RTC_REG_COMMON_H
+
+/* RTC registers */
+enum {
+	RTC_BBPU = 0x0588,
+	RTC_IRQ_STA = 0x058A,
+	RTC_IRQ_EN = 0x058C,
+	RTC_CII_EN = 0x058E,
+};
+
+enum {
+	RTC_TC_SEC = 0x0592,
+	RTC_TC_MIN = 0x0594,
+	RTC_TC_HOU = 0x0596,
+	RTC_TC_DOM = 0x0598,
+	RTC_TC_DOW = 0x059A,
+	RTC_TC_MTH = 0x059C,
+	RTC_TC_YEA = 0x059E,
+};
+
+enum {
+	RTC_AL_SEC = 0x05A0,
+	RTC_AL_MIN = 0x05A2,
+	RTC_AL_HOU = 0x05A4,
+	RTC_AL_DOM = 0x05A6,
+	RTC_AL_DOW = 0x05A8,
+	RTC_AL_MTH = 0x05AA,
+	RTC_AL_YEA = 0x05AC,
+	RTC_AL_MASK = 0x0590,
+};
+
+enum {
+	RTC_OSC32CON = 0x05AE,
+	RTC_CON = 0x05C4,
+	RTC_WRTGR = 0x05C2,
+};
+
+enum {
+	RTC_POWERKEY1 = 0x05B0,
+	RTC_POWERKEY2 = 0x05B2,
+};
+
+enum {
+	RTC_PDN1 = 0x05B4,
+	RTC_PDN2 = 0x05B6,
+	RTC_SPAR0 = 0x05B8,
+	RTC_SPAR1 = 0x05BA,
+	RTC_PROT = 0x05BC,
+	RTC_DIFF = 0x05BE,
+	RTC_CALI = 0x05C0,
+};
+
+enum {
+	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
+	RTC_CON_EOSC32_LPEN	= 1U << 1,
+	RTC_CON_XOSC32_LPEN	= 1U << 2,
+	RTC_CON_LPRST		= 1U << 3,
+	RTC_CON_CDBO		= 1U << 4,
+	RTC_CON_F32KOB		= 1U << 5,
+	RTC_CON_GPO		= 1U << 6,
+	RTC_CON_GOE		= 1U << 7,
+	RTC_CON_GSR		= 1U << 8,
+	RTC_CON_GSMT		= 1U << 9,
+	RTC_CON_GPEN		= 1U << 10,
+	RTC_CON_GPU		= 1U << 11,
+	RTC_CON_GE4		= 1U << 12,
+	RTC_CON_GE8		= 1U << 13,
+	RTC_CON_GPI		= 1U << 14,
+	RTC_CON_LPSTA_RAW	= 1U << 15,
+};
+
+enum {
+	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
+	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
+	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
+	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
+	RTC_LPD_OPT_MASK		= 3U << 13,
+};
+
+/* PMIC TOP Register Definition */
+enum {
+	PMIC_RG_SCK_TOP_CON0 = 0x050C,
+};
+
+/* PMIC TOP Register Definition */
+enum {
+	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
+	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
+	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
+	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
+	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
+	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
+	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
+	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
+	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C,
+};
+
+enum {
+	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
+	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11,
+};
+
+enum {
+	PMIC_FQMTR_RST_SHIFT = 8,
+};
+
+enum {
+	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
+	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
+	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
+	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
+	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
+	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
+	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
+	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
+	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
+	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
+	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15,
+};
+
+enum {
+	RTC_FQMTR_LOW_BASE = 794 - 2,
+	RTC_FQMTR_HIGH_BASE = 794 + 2,
+};
+
+enum {
+	RTC_XOSCCALI_START = 0x00,
+	RTC_XOSCCALI_END = 0x1f,
+};
+
+#endif /* SOC_MEDIATEK_RTC_REG_COMMON_H */
diff --git a/src/soc/mediatek/mt8183/include/soc/rtc.h b/src/soc/mediatek/mt8183/include/soc/rtc.h
index 7ca054a940..eb166a32a2 100644
--- a/src/soc/mediatek/mt8183/include/soc/rtc.h
+++ b/src/soc/mediatek/mt8183/include/soc/rtc.h
@@ -5,87 +5,20 @@
 
 #include <soc/pmic_wrap_common.h>
 #include <soc/rtc_common.h>
+#include <soc/rtc_reg_common.h>
 #include <stdbool.h>
 
 /* RTC registers */
 enum {
-	RTC_BBPU = 0x0588,
-	RTC_IRQ_STA = 0x058A,
-	RTC_IRQ_EN = 0x058C,
-	RTC_CII_EN = 0x058E
-};
+	RTC_BBPU_PWREN		= 1U << 0,
+	RTC_BBPU_CLR		= 1U << 1,
+	RTC_BBPU_INIT		= 1U << 2,
+	RTC_BBPU_AUTO		= 1U << 3,
+	RTC_BBPU_CLRPKY		= 1U << 4,
+	RTC_BBPU_RELOAD		= 1U << 5,
+	RTC_BBPU_CBUSY		= 1U << 6,
 
-enum {
-	RTC_TC_SEC = 0x0592,
-	RTC_TC_MIN = 0x0594,
-	RTC_TC_HOU = 0x0596,
-	RTC_TC_DOM = 0x0598,
-	RTC_TC_DOW = 0x059A,
-	RTC_TC_MTH = 0x059C,
-	RTC_TC_YEA = 0x059E
-};
-
-enum {
-	RTC_AL_SEC = 0x05A0,
-	RTC_AL_MIN = 0x05A2,
-	RTC_AL_HOU = 0x05A4,
-	RTC_AL_DOM = 0x05A6,
-	RTC_AL_DOW = 0x05A8,
-	RTC_AL_MTH = 0x05AA,
-	RTC_AL_YEA = 0x05AC,
-	RTC_AL_MASK = 0x0590
-};
-
-enum {
-	RTC_OSC32CON = 0x05AE,
-	RTC_CON = 0x05C4,
-	RTC_WRTGR = 0x05C2
-};
-
-enum {
-	RTC_POWERKEY1 = 0x05B0,
-	RTC_POWERKEY2 = 0x05B2
-};
-
-enum {
-	RTC_PDN1 = 0x05B4,
-	RTC_PDN2 = 0x05B6,
-	RTC_SPAR0 = 0x05B8,
-	RTC_SPAR1 = 0x05BA,
-	RTC_PROT = 0x05BC,
-	RTC_DIFF = 0x05BE,
-	RTC_CALI = 0x05C0
-};
-
-enum {
-	RTC_BBPU_PWREN	= 1U << 0,
-	RTC_BBPU_CLR	= 1U << 1,
-	RTC_BBPU_INIT	= 1U << 2,
-	RTC_BBPU_AUTO	= 1U << 3,
-	RTC_BBPU_CLRPKY	= 1U << 4,
-	RTC_BBPU_RELOAD	= 1U << 5,
-	RTC_BBPU_CBUSY	= 1U << 6,
-
-	RTC_CBUSY_TIMEOUT_US = 8000
-};
-
-enum {
-	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
-	RTC_CON_EOSC32_LPEN	= 1U << 1,
-	RTC_CON_XOSC32_LPEN	= 1U << 2,
-	RTC_CON_LPRST		= 1U << 3,
-	RTC_CON_CDBO		= 1U << 4,
-	RTC_CON_F32KOB		= 1U << 5,
-	RTC_CON_GPO		= 1U << 6,
-	RTC_CON_GOE		= 1U << 7,
-	RTC_CON_GSR		= 1U << 8,
-	RTC_CON_GSMT		= 1U << 9,
-	RTC_CON_GPEN		= 1U << 10,
-	RTC_CON_GPU		= 1U << 11,
-	RTC_CON_GE4		= 1U << 12,
-	RTC_CON_GE8		= 1U << 13,
-	RTC_CON_GPI		= 1U << 14,
-	RTC_CON_LPSTA_RAW	= 1U << 15
+	RTC_CBUSY_TIMEOUT_US	= 8000,
 };
 
 enum {
@@ -99,58 +32,28 @@ enum {
 	RTC_EMBCK_SRC_SEL	= 1U << 8,
 	RTC_EMBCK_SEL_OPTION	= 1U << 9,
 	RTC_GPS_CKOUT_EN	= 1U << 10,
-	RTC_REG_XOSC32_ENB	= 1U << 15
-};
-
-enum {
-	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
-	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
-	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
-	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
-	RTC_LPD_OPT_MASK		= 3U << 13
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_SCK_TOP_CON0 = 0x050C
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
-	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
-	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
-	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
-	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
-	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
-	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
-	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
-	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C
-};
-
-enum {
-	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
-	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11
+	RTC_REG_XOSC32_ENB	= 1U << 15,
 };
 
 /* PMIC DCXO Register Definition */
 enum {
-	PMIC_RG_DCXO_CW00 = 0x0788,
-	PMIC_RG_DCXO_CW00_CLR = 0x078C,
-	PMIC_RG_DCXO_CW02 = 0x0790,
-	PMIC_RG_DCXO_CW07 = 0x079A,
-	PMIC_RG_DCXO_CW09 = 0x079E,
-	PMIC_RG_DCXO_CW11 = 0x07A2,
-	PMIC_RG_DCXO_CW13 = 0x07AA,
-	PMIC_RG_DCXO_CW15 = 0x07AE,
-	PMIC_RG_DCXO_CW16 = 0x07B0,
-	PMIC_RG_DCXO_CW21 = 0x07BA,
-	PMIC_RG_DCXO_CW23 = 0x07BE,
-	PMIC_RG_DCXO_ELR0 = 0x07C4
+	PMIC_RG_DCXO_CW00	= 0x0788,
+	PMIC_RG_DCXO_CW00_CLR	= 0x078C,
+	PMIC_RG_DCXO_CW02	= 0x0790,
+	PMIC_RG_DCXO_CW03	= 0x0794,
+	PMIC_RG_DCXO_CW07	= 0x079A,
+	PMIC_RG_DCXO_CW09	= 0x079E,
+	PMIC_RG_DCXO_CW11	= 0x07A2,
+	PMIC_RG_DCXO_CW13	= 0x07AA,
+	PMIC_RG_DCXO_CW15	= 0x07AE,
+	PMIC_RG_DCXO_CW16	= 0x07B0,
+	PMIC_RG_DCXO_CW21	= 0x07BA,
+	PMIC_RG_DCXO_CW23	= 0x07BE,
+	PMIC_RG_DCXO_ELR0	= 0x07C4,
 };
 
 enum {
-	PMIC_RG_TOP_TMA_KEY = 0x03A8
+	PMIC_RG_TOP_TMA_KEY	= 0x03A8,
 };
 
 /* PMIC Frequency Meter Definition */
@@ -161,7 +64,7 @@ enum {
 	PMIC_RG_FQMTR_WINSET	= 0x0516,
 	PMIC_RG_FQMTR_DATA	= 0x0518,
 
-	FQMTR_TIMEOUT_US	= 8000
+	FQMTR_TIMEOUT_US	= 8000,
 };
 
 enum {
@@ -172,36 +75,9 @@ enum {
 	PMIC_FQMTR_FIX_CLK_SMPS_CK	= 4U << 0,
 	PMIC_FQMTR_FIX_CLK_TCK_SEC	= 5U << 0,
 	PMIC_FQMTR_FIX_CLK_PMU_75K	= 6U << 0,
-	PMIC_FQMTR_CKSEL_MASK		= 7U << 0
+	PMIC_FQMTR_CKSEL_MASK		= 7U << 0,
 };
 
-enum {
-	PMIC_FQMTR_RST_SHIFT = 8
-};
-
-enum {
-	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
-	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
-	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
-	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
-	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
-	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
-	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
-	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
-	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
-	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
-	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15
-};
-
-enum {
-	RTC_FQMTR_LOW_BASE = 794 - 2,
-	RTC_FQMTR_HIGH_BASE = 794 + 2
-};
-
-enum {
-	RTC_XOSCCALI_START = 0x00,
-	RTC_XOSCCALI_END = 0x1f
-};
 
 /* external API */
 void rtc_bbpu_power_on(void);
diff --git a/src/soc/mediatek/mt8186/include/soc/rtc.h b/src/soc/mediatek/mt8186/include/soc/rtc.h
index a3fb7a099f..914da6ac83 100644
--- a/src/soc/mediatek/mt8186/include/soc/rtc.h
+++ b/src/soc/mediatek/mt8186/include/soc/rtc.h
@@ -10,58 +10,10 @@
 
 #include <soc/pmic_wrap_common.h>
 #include <soc/rtc_common.h>
+#include <soc/rtc_reg_common.h>
 #include <stdbool.h>
 
 /* RTC registers */
-enum {
-	RTC_BBPU	= 0x0588,
-	RTC_IRQ_STA	= 0x058A,
-	RTC_IRQ_EN	= 0x058C,
-	RTC_CII_EN	= 0x058E,
-};
-
-enum {
-	RTC_TC_SEC	= 0x0592,
-	RTC_TC_MIN	= 0x0594,
-	RTC_TC_HOU	= 0x0596,
-	RTC_TC_DOM	= 0x0598,
-	RTC_TC_DOW	= 0x059A,
-	RTC_TC_MTH	= 0x059C,
-	RTC_TC_YEA	= 0x059E,
-};
-
-enum {
-	RTC_AL_SEC	= 0x05A0,
-	RTC_AL_MIN	= 0x05A2,
-	RTC_AL_HOU	= 0x05A4,
-	RTC_AL_DOM	= 0x05A6,
-	RTC_AL_DOW	= 0x05A8,
-	RTC_AL_MTH	= 0x05AA,
-	RTC_AL_YEA	= 0x05AC,
-	RTC_AL_MASK	= 0x0590,
-};
-
-enum {
-	RTC_OSC32CON	= 0x05AE,
-	RTC_CON		= 0x05C4,
-	RTC_WRTGR	= 0x05C2,
-};
-
-enum {
-	RTC_POWERKEY1	= 0x05B0,
-	RTC_POWERKEY2	= 0x05B2,
-};
-
-enum {
-	RTC_PDN1	= 0x05B4,
-	RTC_PDN2	= 0x05B6,
-	RTC_SPAR0	= 0x05B8,
-	RTC_SPAR1	= 0x05BA,
-	RTC_PROT	= 0x05BC,
-	RTC_DIFF	= 0x05BE,
-	RTC_CALI	= 0x05C0,
-};
-
 enum {
 	RTC_BBPU_PWREN		= 1U << 0,
 	RTC_BBPU_CLR		= 1U << 1,
@@ -74,25 +26,6 @@ enum {
 	RTC_CBUSY_TIMEOUT_US	= 8000,
 };
 
-enum {
-	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
-	RTC_CON_EOSC32_LPEN	= 1U << 1,
-	RTC_CON_XOSC32_LPEN	= 1U << 2,
-	RTC_CON_LPRST		= 1U << 3,
-	RTC_CON_CDBO		= 1U << 4,
-	RTC_CON_F32KOB		= 1U << 5,
-	RTC_CON_GPO		= 1U << 6,
-	RTC_CON_GOE		= 1U << 7,
-	RTC_CON_GSR		= 1U << 8,
-	RTC_CON_GSMT		= 1U << 9,
-	RTC_CON_GPEN		= 1U << 10,
-	RTC_CON_GPU		= 1U << 11,
-	RTC_CON_GE4		= 1U << 12,
-	RTC_CON_GE8		= 1U << 13,
-	RTC_CON_GPI		= 1U << 14,
-	RTC_CON_LPSTA_RAW	= 1U << 15,
-};
-
 enum {
 	RTC_XOSCCALI_MASK	= 0x1F << 0,
 	RTC_XOSC32_ENB		= 1U << 5,
@@ -107,37 +40,6 @@ enum {
 	RTC_REG_XOSC32_ENB	= 1U << 15,
 };
 
-enum {
-	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
-	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
-	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
-	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
-	RTC_LPD_OPT_MASK		= 3U << 13,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_SCK_TOP_CON0	= 0x050C,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_TOP_CKPDN_CON0		= 0x010C,
-	PMIC_RG_TOP_CKPDN_CON0_SET	= 0x010E,
-	PMIC_RG_TOP_CKPDN_CON0_CLR	= 0x0110,
-	PMIC_RG_TOP_CKPDN_CON1		= 0x0112,
-	PMIC_RG_TOP_CKPDN_CON1_SET	= 0x0114,
-	PMIC_RG_TOP_CKPDN_CON1_CLR	= 0x0116,
-	PMIC_RG_TOP_CKSEL_CON0		= 0x0118,
-	PMIC_RG_TOP_CKSEL_CON0_SET	= 0x011A,
-	PMIC_RG_TOP_CKSEL_CON0_CLR	= 0x011C,
-};
-
-enum {
-	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT	= 10,
-	PMIC_RG_FQMTR_CK_PDN_SHIFT	= 11,
-};
-
 /* PMIC DCXO Register Definition */
 enum {
 	PMIC_RG_DCXO_CW00	= 0x0788,
@@ -181,33 +83,6 @@ enum {
 	PMIC_FQMTR_CKSEL_MASK		= 7U << 0,
 };
 
-enum {
-	PMIC_FQMTR_RST_SHIFT = 8
-};
-
-enum {
-	PMIC_FQMTR_CON0_XOSC32_CK		= 0U << 0,
-	PMIC_FQMTR_CON0_DCXO_F32K_CK		= 1U << 0,
-	PMIC_FQMTR_CON0_EOSC32_CK		= 2U << 0,
-	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON	= 3U << 0,
-	PMIC_FQMTR_CON0_FQM26M_CK		= 4U << 0,
-	PMIC_FQMTR_CON0_FQM32k_CK		= 5U << 0,
-	PMIC_FQMTR_CON0_TEST_CK			= 6U << 0,
-	PMIC_FQMTR_CON0_TCKSEL_MASK		= 7U << 0,
-	PMIC_FQMTR_CON0_BUSY			= 1U << 3,
-	PMIC_FQMTR_CON0_DCXO26M_EN		= 1U << 4,
-	PMIC_FQMTR_CON0_FQMTR_EN		= 1U << 15,
-};
-
-enum {
-	RTC_FQMTR_LOW_BASE	= 794 - 2,
-	RTC_FQMTR_HIGH_BASE	= 794 + 2,
-};
-
-enum {
-	RTC_XOSCCALI_START	= 0x00,
-	RTC_XOSCCALI_END	= 0x1f,
-};
 
 /* external API */
 void rtc_bbpu_power_on(void);
diff --git a/src/soc/mediatek/mt8192/include/soc/rtc.h b/src/soc/mediatek/mt8192/include/soc/rtc.h
index 46c06f4a52..f8543ab45d 100644
--- a/src/soc/mediatek/mt8192/include/soc/rtc.h
+++ b/src/soc/mediatek/mt8192/include/soc/rtc.h
@@ -4,58 +4,10 @@
 #define SOC_MEDIATEK_MT8192_RTC_H
 
 #include <soc/pmif.h>
+#include <soc/rtc_reg_common.h>
 #include <stdbool.h>
 
 /* RTC registers */
-enum {
-	RTC_BBPU = 0x0588,
-	RTC_IRQ_STA = 0x058A,
-	RTC_IRQ_EN = 0x058C,
-	RTC_CII_EN = 0x058E,
-};
-
-enum {
-	RTC_TC_SEC = 0x0592,
-	RTC_TC_MIN = 0x0594,
-	RTC_TC_HOU = 0x0596,
-	RTC_TC_DOM = 0x0598,
-	RTC_TC_DOW = 0x059A,
-	RTC_TC_MTH = 0x059C,
-	RTC_TC_YEA = 0x059E,
-};
-
-enum {
-	RTC_AL_SEC = 0x05A0,
-	RTC_AL_MIN = 0x05A2,
-	RTC_AL_HOU = 0x05A4,
-	RTC_AL_DOM = 0x05A6,
-	RTC_AL_DOW = 0x05A8,
-	RTC_AL_MTH = 0x05AA,
-	RTC_AL_YEA = 0x05AC,
-	RTC_AL_MASK = 0x0590,
-};
-
-enum {
-	RTC_OSC32CON = 0x05AE,
-	RTC_CON = 0x05C4,
-	RTC_WRTGR = 0x05C2,
-};
-
-enum {
-	RTC_POWERKEY1 = 0x05B0,
-	RTC_POWERKEY2 = 0x05B2,
-};
-
-enum {
-	RTC_PDN1 = 0x05B4,
-	RTC_PDN2 = 0x05B6,
-	RTC_SPAR0 = 0x05B8,
-	RTC_SPAR1 = 0x05BA,
-	RTC_PROT = 0x05BC,
-	RTC_DIFF = 0x05BE,
-	RTC_CALI = 0x05C0,
-};
-
 enum {
 	RTC_BBPU_ENABLE_ALARM	= 1U << 0,
 	RTC_BBPU_SPAR_SW	= 1U << 1,
@@ -67,25 +19,6 @@ enum {
 	RTC_CBUSY_TIMEOUT_US = 1000000,
 };
 
-enum {
-	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
-	RTC_CON_EOSC32_LPEN	= 1U << 1,
-	RTC_CON_XOSC32_LPEN	= 1U << 2,
-	RTC_CON_LPRST		= 1U << 3,
-	RTC_CON_CDBO		= 1U << 4,
-	RTC_CON_F32KOB		= 1U << 5,
-	RTC_CON_GPO		= 1U << 6,
-	RTC_CON_GOE		= 1U << 7,
-	RTC_CON_GSR		= 1U << 8,
-	RTC_CON_GSMT		= 1U << 9,
-	RTC_CON_GPEN		= 1U << 10,
-	RTC_CON_GPU		= 1U << 11,
-	RTC_CON_GE4		= 1U << 12,
-	RTC_CON_GE8		= 1U << 13,
-	RTC_CON_GPI		= 1U << 14,
-	RTC_CON_LPSTA_RAW	= 1U << 15,
-};
-
 enum {
 	RTC_XOSCCALI_MASK	= 0x1F << 0,
 	RTC_XOSC32_ENB		= 1U << 5,
@@ -109,37 +42,6 @@ enum {
 		RTC_EMB_K_EOSC32_MODE,
 };
 
-enum {
-	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
-	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
-	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
-	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
-	RTC_LPD_OPT_MASK		= 3U << 13,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_SCK_TOP_CON0 = 0x050C,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
-	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
-	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
-	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
-	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
-	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
-	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
-	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
-	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C,
-};
-
-enum {
-	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
-	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11,
-};
-
 enum {
 	PMIC_RG_BANK_FQMTR_RST = 0x522,
 };
@@ -170,33 +72,6 @@ enum {
 	PMIC_FQMTR_CKSEL_MASK		= 7U << 0,
 };
 
-enum {
-	PMIC_FQMTR_RST_SHIFT = 8,
-};
-
-enum {
-	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
-	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
-	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
-	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
-	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
-	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
-	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
-	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
-	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
-	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
-	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15,
-};
-
-enum {
-	RTC_FQMTR_LOW_BASE = 794 - 2,
-	RTC_FQMTR_HIGH_BASE = 794 + 2,
-};
-
-enum {
-	RTC_XOSCCALI_START = 0x00,
-	RTC_XOSCCALI_END = 0x1f,
-};
 
 enum {
 	RTC_TC_MTH_MASK = 0xf,
diff --git a/src/soc/mediatek/mt8195/include/soc/rtc.h b/src/soc/mediatek/mt8195/include/soc/rtc.h
index 908473166e..6656d313e3 100644
--- a/src/soc/mediatek/mt8195/include/soc/rtc.h
+++ b/src/soc/mediatek/mt8195/include/soc/rtc.h
@@ -4,58 +4,10 @@
 #define SOC_MEDIATEK_MT8195_RTC_H
 
 #include <soc/pmif.h>
+#include <soc/rtc_reg_common.h>
 #include <stdbool.h>
 
 /* RTC registers */
-enum {
-	RTC_BBPU = 0x0588,
-	RTC_IRQ_STA = 0x058A,
-	RTC_IRQ_EN = 0x058C,
-	RTC_CII_EN = 0x058E,
-};
-
-enum {
-	RTC_TC_SEC = 0x0592,
-	RTC_TC_MIN = 0x0594,
-	RTC_TC_HOU = 0x0596,
-	RTC_TC_DOM = 0x0598,
-	RTC_TC_DOW = 0x059A,
-	RTC_TC_MTH = 0x059C,
-	RTC_TC_YEA = 0x059E,
-};
-
-enum {
-	RTC_AL_SEC = 0x05A0,
-	RTC_AL_MIN = 0x05A2,
-	RTC_AL_HOU = 0x05A4,
-	RTC_AL_DOM = 0x05A6,
-	RTC_AL_DOW = 0x05A8,
-	RTC_AL_MTH = 0x05AA,
-	RTC_AL_YEA = 0x05AC,
-	RTC_AL_MASK = 0x0590,
-};
-
-enum {
-	RTC_OSC32CON = 0x05AE,
-	RTC_CON = 0x05C4,
-	RTC_WRTGR = 0x05C2,
-};
-
-enum {
-	RTC_POWERKEY1 = 0x05B0,
-	RTC_POWERKEY2 = 0x05B2,
-};
-
-enum {
-	RTC_PDN1 = 0x05B4,
-	RTC_PDN2 = 0x05B6,
-	RTC_SPAR0 = 0x05B8,
-	RTC_SPAR1 = 0x05BA,
-	RTC_PROT = 0x05BC,
-	RTC_DIFF = 0x05BE,
-	RTC_CALI = 0x05C0,
-};
-
 enum {
 	RTC_BBPU_ENABLE_ALARM	= 1U << 0,
 	RTC_BBPU_SPAR_SW	= 1U << 1,
@@ -67,25 +19,6 @@ enum {
 	RTC_CBUSY_TIMEOUT_US = 1000000,
 };
 
-enum {
-	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
-	RTC_CON_EOSC32_LPEN	= 1U << 1,
-	RTC_CON_XOSC32_LPEN	= 1U << 2,
-	RTC_CON_LPRST		= 1U << 3,
-	RTC_CON_CDBO		= 1U << 4,
-	RTC_CON_F32KOB		= 1U << 5,
-	RTC_CON_GPO		= 1U << 6,
-	RTC_CON_GOE		= 1U << 7,
-	RTC_CON_GSR		= 1U << 8,
-	RTC_CON_GSMT		= 1U << 9,
-	RTC_CON_GPEN		= 1U << 10,
-	RTC_CON_GPU		= 1U << 11,
-	RTC_CON_GE4		= 1U << 12,
-	RTC_CON_GE8		= 1U << 13,
-	RTC_CON_GPI		= 1U << 14,
-	RTC_CON_LPSTA_RAW	= 1U << 15,
-};
-
 enum {
 	RTC_XOSCCALI_MASK	= 0x1F << 0,
 	RTC_XOSC32_ENB		= 1U << 5,
@@ -109,37 +42,6 @@ enum {
 		RTC_EMB_K_EOSC32_MODE,
 };
 
-enum {
-	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
-	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
-	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
-	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
-	RTC_LPD_OPT_MASK		= 3U << 13,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_SCK_TOP_CON0 = 0x050C,
-};
-
-/* PMIC TOP Register Definition */
-enum {
-	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
-	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
-	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
-	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
-	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
-	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
-	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
-	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
-	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C,
-};
-
-enum {
-	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
-	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11,
-};
-
 enum {
 	PMIC_RG_BANK_FQMTR_RST = 0x522,
 };
@@ -170,33 +72,6 @@ enum {
 	PMIC_FQMTR_CKSEL_MASK		= 7U << 0,
 };
 
-enum {
-	PMIC_FQMTR_RST_SHIFT = 8,
-};
-
-enum {
-	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
-	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
-	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
-	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
-	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
-	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
-	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
-	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
-	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
-	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
-	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15,
-};
-
-enum {
-	RTC_FQMTR_LOW_BASE = 794 - 2,
-	RTC_FQMTR_HIGH_BASE = 794 + 2,
-};
-
-enum {
-	RTC_XOSCCALI_START = 0x00,
-	RTC_XOSCCALI_END = 0x1f,
-};
 
 enum {
 	RTC_TC_MTH_MASK = 0xf,