extern const char *soc15_ih_clientid_name[];
 
+/*
+ * soc21 IH clients
+ */
+enum soc21_ih_clientid {
+       SOC21_IH_CLIENTID_IH            = 0x00,
+       SOC21_IH_CLIENTID_ATHUB         = 0x02,
+       SOC21_IH_CLIENTID_BIF           = 0x03,
+       SOC21_IH_CLIENTID_DCN           = 0x04,
+       SOC21_IH_CLIENTID_ISP           = 0x05,
+       SOC21_IH_CLIENTID_MP3           = 0x06,
+       SOC21_IH_CLIENTID_RLC           = 0x07,
+       SOC21_IH_CLIENTID_GFX           = 0x0a,
+       SOC21_IH_CLIENTID_IMU           = 0x0b,
+       SOC21_IH_CLIENTID_VCN1          = 0x0e,
+       SOC21_IH_CLIENTID_THM           = 0x0f,
+       SOC21_IH_CLIENTID_VCN           = 0x10,
+       SOC21_IH_CLIENTID_VMC           = 0x12,
+       SOC21_IH_CLIENTID_GRBM_CP       = 0x14,
+       SOC21_IH_CLIENTID_ROM_SMUIO     = 0x16,
+       SOC21_IH_CLIENTID_DF            = 0x17,
+       SOC21_IH_CLIENTID_PWR           = 0x19,
+       SOC21_IH_CLIENTID_LSDMA         = 0x1a,
+       SOC21_IH_CLIENTID_MP0           = 0x1e,
+       SOC21_IH_CLIENTID_MP1           = 0x1f,
+       SOC21_IH_CLIENTID_MAX,
+};
+
 #endif