#define AMD_CPU_ID_CZN                 AMD_CPU_ID_RN
 #define AMD_CPU_ID_YC                  0x14B5
 #define AMD_CPU_ID_CB                  0x14D8
+#define AMD_CPU_ID_PS                  0x14E8
 
 #define PMC_MSG_DELAY_MIN_US           50
 #define RESPONSE_REGISTER_LOOP_MAX     20000
                break;
        case AMD_CPU_ID_YC:
        case AMD_CPU_ID_CB:
+       case AMD_CPU_ID_PS:
                val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
                break;
        default:
                            &amd_pmc_idlemask_fops);
        /* Enable STB only when the module_param is set */
        if (enable_stb) {
-               if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)
+               if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB ||
+                   dev->cpu_id == AMD_CPU_ID_PS)
                        debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev,
                                            &amd_pmc_stb_debugfs_fops_v2);
                else
        case AMD_CPU_ID_RN:
        case AMD_CPU_ID_YC:
        case AMD_CPU_ID_CB:
+       case AMD_CPU_ID_PS:
                return MSG_OS_HINT_RN;
        }
        return -EINVAL;
 #endif
 
 static const struct pci_device_id pmc_pci_ids[] = {
+       { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PS) },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CB) },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) },