[PATCH v2] hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models

From: Avadhut Naik
Date: Mon Jul 28 2025 - 20:17:09 EST


Add thermal info support for newer AMD Family 1Ah-based models.

Signed-off-by: Avadhut Naik <avadhut.naik@xxxxxxx>
---
Changes in v2:
1. Move PCI IDs definitions from include/linux/pci_ids.h to the k10temp
driver since they are not shared.
---
drivers/hwmon/k10temp.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index babf2413d666..2f90a2e9ad49 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -84,6 +84,13 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
*/
#define AMD_I3255_STR "3255"

+/*
+ * PCI Device IDs for AMD's Family 1Ah-based SOCs.
+ * Defining locally as IDs are not shared.
+ */
+#define PCI_DEVICE_ID_AMD_1AH_M50H_DF_F3 0x12cb
+#define PCI_DEVICE_ID_AMD_1AH_M90H_DF_F3 0x127b
+
struct k10temp_data {
struct pci_dev *pdev;
void (*read_htcreg)(struct pci_dev *pdev, u32 *regval);
@@ -556,7 +563,9 @@ static const struct pci_device_id k10temp_id_table[] = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M78H_DF_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3) },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M50H_DF_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M60H_DF_F3) },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M90H_DF_F3) },
{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
{}
};

base-commit: de1fffd88600c5ee1c095c84b86484cd0329a9e8
--
2.43.0