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Box" To: y, Rajneesh Bhardwaj , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Hans de Goede Cc: "David E. Box" , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Xi Pardee , Srinivas Pandruvada Subject: [PATCH v4 16/16] platform/x86/intel/pmc: Add NVL PCI IDs for SSRAM telemetry discovery Date: Thu, 14 May 2026 17:21:23 -0700 Message-ID: <20260515002130.701457-17-david.e.box@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260515002130.701457-1-david.e.box@linux.intel.com> References: <20260515002130.701457-1-david.e.box@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Add Nova Lake S PMC device IDs to enable binding of the SSRAM telemetry driver on NVL platforms, and map them to the ACPI-based discovery policy. Signed-off-by: David E. Box --- V4 - No changes V3 - No changes V2 - No changes drivers/platform/x86/intel/pmc/core.h | 5 +++++ drivers/platform/x86/intel/pmc/ssram_telemetry.c | 16 ++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/i= ntel/pmc/core.h index f458eb908c07..eb2e1030dbf3 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -334,6 +334,11 @@ enum ppfear_regs { #define PMC_DEVID_MTL_IOEP 0x7ecf #define PMC_DEVID_MTL_IOEM 0x7ebf =20 +/* NVL */ +#define PMC_DEVID_NVL_PCDH 0xd37e +#define PMC_DEVID_NVL_PCDS 0xd47e +#define PMC_DEVID_NVL_PCHS 0x6e27 + extern const char *pmc_lpm_modes[]; =20 struct pmc_bit_map { diff --git a/drivers/platform/x86/intel/pmc/ssram_telemetry.c b/drivers/pla= tform/x86/intel/pmc/ssram_telemetry.c index 8a9c947761b1..f8fb39e9f205 100644 --- a/drivers/platform/x86/intel/pmc/ssram_telemetry.c +++ b/drivers/platform/x86/intel/pmc/ssram_telemetry.c @@ -43,6 +43,16 @@ static const struct ssram_type pci_main =3D { .p_index =3D PMC_IDX_MAIN, }; =20 +static const struct ssram_type acpi_main =3D { + .method =3D RES_METHOD_ACPI, + .p_index =3D PMC_IDX_MAIN, +}; + +static const struct ssram_type acpi_pch =3D { + .method =3D RES_METHOD_ACPI, + .p_index =3D PMC_IDX_PCH, +}; + static struct pmc_ssram_telemetry pmc_ssram_telems[MAX_NUM_PMC]; =20 static inline u64 get_base(void __iomem *addr, u32 offset) @@ -301,6 +311,12 @@ static const struct pci_device_id pmc_ssram_telemetry_= pci_ids[] =3D { .driver_data =3D (kernel_ulong_t)&pci_main }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_WCL_PCDN), .driver_data =3D (kernel_ulong_t)&pci_main }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCDH), + .driver_data =3D (kernel_ulong_t)&acpi_main }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCDS), + .driver_data =3D (kernel_ulong_t)&acpi_main }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCHS), + .driver_data =3D (kernel_ulong_t)&acpi_pch }, { } }; MODULE_DEVICE_TABLE(pci, pmc_ssram_telemetry_pci_ids); --=20 2.43.0