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i2c: i801: Add support for Intel Diamond Rapids 

Add SMBus PCI ID on Intel Diamond Rapids.

Signed-off-by: Zeng Guang <guang.zeng@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20251021073522.3458383-1-heikki.krogerus@linux.intel.com
pull/1354/merge
Zeng Guang 2025-10-21 09:35:22 +02:00 committed by Andi Shyti
parent b4cc818030
commit 90f690a4f5
3 changed files with 4 additions and 0 deletions
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1
Documentation/i2c/busses/i2c-i801.rst
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@ -51,6 +51,7 @@ Supported adapters:
* Intel Arrow Lake (SOC)
* Intel Panther Lake (SOC)
* Intel Wildcat Lake (SOC)
* Intel Diamond Rapids (SOC)
Datasheets: Publicly available at the Intel website

1
drivers/i2c/busses/Kconfig
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@ -166,6 +166,7 @@ config I2C_I801
Arrow Lake (SOC)
Panther Lake (SOC)
Wildcat Lake (SOC)
Diamond Rapids (SOC)
This driver can also be built as a module. If so, the module
will be called i2c-i801.

2
drivers/i2c/busses/i2c-i801.c
View File

@ -242,6 +242,7 @@
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS 0x51a3
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS 0x54a3
#define PCI_DEVICE_ID_INTEL_BIRCH_STREAM_SMBUS 0x5796
#define PCI_DEVICE_ID_INTEL_DIAMOND_RAPIDS_SMBUS 0x5827
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_ARROW_LAKE_H_SMBUS 0x7722
#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_S_SMBUS 0x7a23
@ -1054,6 +1055,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_SOC_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_PCH_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS, FEATURES_ICH5) },
{ PCI_DEVICE_DATA(INTEL, DIAMOND_RAPIDS_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, ARROW_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },