linux-kernel - [PATCH 1/2] platform/x86/intel/pmc: Add Lunar Lake support to Intel PMC SSRAM Telemetry

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Message-ID: <20250610230416.622970-1-xi.pardee@linux.intel.com>
Date: Tue, 10 Jun 2025 16:04:06 -0700
From: Xi Pardee <xi.pardee@...ux.intel.com>
To: xi.pardee@...ux.intel.com,
	irenic.rajneesh@...il.com,
	david.e.box@...ux.intel.com,
	hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH 1/2] platform/x86/intel/pmc: Add Lunar Lake support to Intel PMC SSRAM Telemetry

Add Lunar Lake support to Intel PMC SSRAM Telemetry driver.

Signed-off-by: Xi Pardee <xi.pardee@...ux.intel.com>
---
 drivers/platform/x86/intel/pmc/core.h            | 3 +++
 drivers/platform/x86/intel/pmc/ssram_telemetry.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index e136d18b1d38..c1db41cb8334 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -299,6 +299,9 @@ enum ppfear_regs {
 #define PTL_PCD_PMC_MMIO_REG_LEN		0x31A8
 
 /* SSRAM PMC Device ID */
+/* LNL */
+#define PMC_DEVID_LNL_SOCM	0xa87f
+
 /* ARL */
 #define PMC_DEVID_ARL_SOCM	0x777f
 #define PMC_DEVID_ARL_SOCS	0xae7f
diff --git a/drivers/platform/x86/intel/pmc/ssram_telemetry.c b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
index b207247eb5dd..24d5d01805c8 100644
--- a/drivers/platform/x86/intel/pmc/ssram_telemetry.c
+++ b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
@@ -187,6 +187,7 @@ static const struct pci_device_id intel_pmc_ssram_telemetry_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_MTL_SOCM) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_ARL_SOCS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_ARL_SOCM) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_LNL_SOCM) },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, intel_pmc_ssram_telemetry_pci_ids);
-- 
2.43.0