diff --git a/plat/mediatek/drivers/spm/mt8188/mt_spm_cond.h b/plat/mediatek/drivers/spm/mt8188/mt_spm_cond.h
new file mode 100644
index 0000000..afb3fd9
--- /dev/null
+++ b/plat/mediatek/drivers/spm/mt8188/mt_spm_cond.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2023, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_COND_H
+#define MT_SPM_COND_H
+
+#include <lpm/mt_lp_rm.h>
+
+enum plat_spm_cond {
+	PLAT_SPM_COND_MTCMOS1 = 0,
+	PLAT_SPM_COND_MTCMOS2,
+	PLAT_SPM_COND_CG_INFRA_0,
+	PLAT_SPM_COND_CG_INFRA_1,
+	PLAT_SPM_COND_CG_INFRA_2,
+	PLAT_SPM_COND_CG_INFRA_3,
+	PLAT_SPM_COND_CG_INFRA_4,
+	PLAT_SPM_COND_CG_PERI_0,
+	PLAT_SPM_COND_CG_VPPSYS0_0,
+	PLAT_SPM_COND_CG_VPPSYS0_1,
+	PLAT_SPM_COND_CG_VPPSYS1_0,
+	PLAT_SPM_COND_CG_VPPSYS1_1,
+	PLAT_SPM_COND_CG_VDOSYS0_0,
+	PLAT_SPM_COND_CG_VDOSYS0_1,
+	PLAT_SPM_COND_CG_VDOSYS1_0,
+	PLAT_SPM_COND_CG_VDOSYS1_1,
+	PLAT_SPM_COND_CG_VDOSYS1_2,
+	PLAT_SPM_COND_MAX,
+};
+
+/* For PLL id >= PLAT_SPM_COND_PLL_MAX is not checked in idle condition  */
+enum plat_spm_cond_pll {
+	PLAT_SPM_COND_PLL_UNIVPLL = 0,
+	PLAT_SPM_COND_PLL_MFGPLL,
+	PLAT_SPM_COND_PLL_MSDCPLL,
+	PLAT_SPM_COND_PLL_TVDPLL1,
+	PLAT_SPM_COND_PLL_TVDPLL2,
+	PLAT_SPM_COND_PLL_MMPLL,
+	PLAT_SPM_COND_PLL_ETHPLL,
+	PLAT_SPM_COND_PLL_IMGPLL,
+	PLAT_SPM_COND_PLL_APLL1,
+	PLAT_SPM_COND_PLL_APLL2,
+	PLAT_SPM_COND_PLL_APLL3,
+	PLAT_SPM_COND_PLL_APLL4,
+	PLAT_SPM_COND_PLL_APLL5,
+	PLAT_SPM_COND_PLL_MAX,
+};
+
+#define PLL_BIT_MFGPLL	BIT(PLAT_SPM_COND_PLL_MFGPLL)
+#define PLL_BIT_MMPLL	BIT(PLAT_SPM_COND_PLL_MMPLL)
+#define PLL_BIT_UNIVPLL	BIT(PLAT_SPM_COND_PLL_UNIVPLL)
+#define PLL_BIT_MSDCPLL	BIT(PLAT_SPM_COND_PLL_MSDCPLL)
+#define PLL_BIT_TVDPLL1	BIT(PLAT_SPM_COND_PLL_TVDPLL1)
+#define PLL_BIT_TVDPLL2	BIT(PLAT_SPM_COND_PLL_TVDPLL2)
+#define PLL_BIT_ETHPLL	BIT(PLAT_SPM_COND_PLL_ETHPLL)
+#define PLL_BIT_IMGPLL	BIT(PLAT_SPM_COND_PLL_IMGPLL)
+#define PLL_BIT_APLL1	BIT(PLAT_SPM_COND_PLL_APLL1)
+#define PLL_BIT_APLL2	BIT(PLAT_SPM_COND_PLL_APLL2)
+#define PLL_BIT_APLL3   BIT(PLAT_SPM_COND_PLL_APLL3)
+#define PLL_BIT_APLL4	BIT(PLAT_SPM_COND_PLL_APLL4)
+#define PLL_BIT_APLL5	BIT(PLAT_SPM_COND_PLL_APLL5)
+
+/*
+ * Definition about SPM_COND_CHECK_BLOCKED
+ * bit[00:16]: cg blocking index
+ * bit[17:29]: pll blocking index
+ * bit[30]: pll blocking information
+ * bit[31]: idle condition check fail
+ */
+#define SPM_COND_BLOCKED_CG_IDX		(0)
+#define SPM_COND_BLOCKED_PLL_IDX	(17)
+#define SPM_COND_CHECK_BLOCKED_PLL	BIT(30)
+#define SPM_COND_CHECK_FAIL		BIT(31)
+
+struct mt_spm_cond_tables {
+	unsigned int table_cg[PLAT_SPM_COND_MAX];
+	unsigned int table_pll;
+	unsigned int table_all_pll;
+	void *priv;
+};
+
+unsigned int mt_spm_cond_check(const struct mt_spm_cond_tables *src,
+			       const struct mt_spm_cond_tables *dest,
+			       struct mt_spm_cond_tables *res);
+unsigned int mt_spm_dump_all_pll(const struct mt_spm_cond_tables *src,
+				 const struct mt_spm_cond_tables *dest,
+				 struct mt_spm_cond_tables *res);
+int mt_spm_cond_update(struct mt_resource_constraint **con, int stateid, void *priv);
+
+#endif