[PATCH v1 4/6] peci: cpu: Add Intel Granite Rapids support

From: Changhuang Liang

Date: Thu Sep 03 2026 - 10:56:31 EST


Add support for detection of Intel Granite Rapids processor based on
CPU model.

Granite Rapids processors with the model set to INTEL_GRANITERAPIDS_X.
The data field for this entry is "gnr".

Tested on JHB100 BMC with Intel Granite Rapids processors.

Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
---
drivers/peci/cpu.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/peci/cpu.c b/drivers/peci/cpu.c
index c9fc06c9ff53..abf004637949 100644
--- a/drivers/peci/cpu.c
+++ b/drivers/peci/cpu.c
@@ -325,6 +325,10 @@ static const struct peci_device_id peci_cpu_device_ids[] = {
.x86_vfm = INTEL_EMERALDRAPIDS_X,
.data = "emr",
},
+ { /* Granite Rapids */
+ .x86_vfm = INTEL_GRANITERAPIDS_X,
+ .data = "gnr",
+ },
{ }
};
MODULE_DEVICE_TABLE(peci, peci_cpu_device_ids);
--
2.25.1