return "AUX_E_XELPD";
        case POWER_DOMAIN_AUX_IO_A:
                return "AUX_IO_A";
-       case POWER_DOMAIN_AUX_TBT_C:
-               return "AUX_TBT_C";
-       case POWER_DOMAIN_AUX_TBT_D:
-               return "AUX_TBT_D";
-       case POWER_DOMAIN_AUX_TBT_E:
-               return "AUX_TBT_E";
-       case POWER_DOMAIN_AUX_TBT_F:
-               return "AUX_TBT_F";
        case POWER_DOMAIN_AUX_TBT1:
                return "AUX_TBT1";
        case POWER_DOMAIN_AUX_TBT2:
                .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_C,
                .ddi_io = POWER_DOMAIN_PORT_DDI_IO_C,
                .aux_legacy_usbc = POWER_DOMAIN_AUX_C,
-               .aux_tbt = POWER_DOMAIN_AUX_TBT_C,
+               .aux_tbt = POWER_DOMAIN_AUX_TBT1,
        },
 };
 
 
        POWER_DOMAIN_AUX_E_XELPD,
 
        POWER_DOMAIN_AUX_IO_A,
-       POWER_DOMAIN_AUX_TBT_C,
-       POWER_DOMAIN_AUX_TBT_D,
-       POWER_DOMAIN_AUX_TBT_E,
-       POWER_DOMAIN_AUX_TBT_F,
 
        POWER_DOMAIN_AUX_TBT1,
        POWER_DOMAIN_AUX_TBT2,
 
        POWER_DOMAIN_AUX_D, \
        POWER_DOMAIN_AUX_E, \
        POWER_DOMAIN_AUX_F, \
-       POWER_DOMAIN_AUX_TBT_C, \
-       POWER_DOMAIN_AUX_TBT_D, \
-       POWER_DOMAIN_AUX_TBT_E, \
-       POWER_DOMAIN_AUX_TBT_F
+       POWER_DOMAIN_AUX_TBT1, \
+       POWER_DOMAIN_AUX_TBT2, \
+       POWER_DOMAIN_AUX_TBT3, \
+       POWER_DOMAIN_AUX_TBT4
 
 I915_DECL_PW_DOMAINS(icl_pwdoms_pw_3,
        ICL_PW_3_POWER_DOMAINS,
 I915_DECL_PW_DOMAINS(icl_pwdoms_aux_d,         POWER_DOMAIN_AUX_D);
 I915_DECL_PW_DOMAINS(icl_pwdoms_aux_e,         POWER_DOMAIN_AUX_E);
 I915_DECL_PW_DOMAINS(icl_pwdoms_aux_f,         POWER_DOMAIN_AUX_F);
-I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt1,      POWER_DOMAIN_AUX_TBT_C);
-I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt2,      POWER_DOMAIN_AUX_TBT_D);
-I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt3,      POWER_DOMAIN_AUX_TBT_E);
-I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt4,      POWER_DOMAIN_AUX_TBT_F);
+I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt1,      POWER_DOMAIN_AUX_TBT1);
+I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt2,      POWER_DOMAIN_AUX_TBT2);
+I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt3,      POWER_DOMAIN_AUX_TBT3);
+I915_DECL_PW_DOMAINS(icl_pwdoms_aux_tbt4,      POWER_DOMAIN_AUX_TBT4);
 
 static const struct i915_power_well_desc icl_power_wells_pw_1[] = {
        {