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i2c: i801: Add support for Intel Nova Lake-S

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Add SMBus PCI IDs on Intel Nova Lake-S.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.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/20251124132816.470599-1-heikki.krogerus@linux.intel.com
This commit is contained in:
Jarkko Nikula
2025-11-24 14:28:15 +01:00
committed by Andi Shyti
parent d9b85d296f
commit dde7e21311
3 changed files with 5 additions and 0 deletions
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1
Documentation/i2c/busses/i2c-i801.rst
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@@ -52,6 +52,7 @@ Supported adapters:
* Intel Panther Lake (SOC) * Intel Panther Lake (SOC)
* Intel Wildcat Lake (SOC) * Intel Wildcat Lake (SOC)
* Intel Diamond Rapids (SOC) * Intel Diamond Rapids (SOC)
* Intel Nova Lake (PCH)
Datasheets: Publicly available at the Intel website Datasheets: Publicly available at the Intel website

1
drivers/i2c/busses/Kconfig
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@@ -167,6 +167,7 @@ config I2C_I801
Panther Lake (SOC) Panther Lake (SOC)
Wildcat Lake (SOC) Wildcat Lake (SOC)
Diamond Rapids (SOC) Diamond Rapids (SOC)
Nova Lake (PCH)
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called i2c-i801. will be called i2c-i801.

3
drivers/i2c/busses/i2c-i801.c
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@@ -85,6 +85,7 @@
* Panther Lake-P (SOC) 0xe422 32 hard yes yes yes * Panther Lake-P (SOC) 0xe422 32 hard yes yes yes
* Wildcat Lake-U (SOC) 0x4d22 32 hard yes yes yes * Wildcat Lake-U (SOC) 0x4d22 32 hard yes yes yes
* Diamond Rapids (SOC) 0x5827 32 hard yes yes yes * Diamond Rapids (SOC) 0x5827 32 hard yes yes yes
* Nova Lake-S (PCH) 0x6e23 32 hard yes yes yes
* *
* Features supported by this driver: * Features supported by this driver:
* Software PEC no * Software PEC no
@@ -245,6 +246,7 @@
#define PCI_DEVICE_ID_INTEL_BIRCH_STREAM_SMBUS 0x5796 #define PCI_DEVICE_ID_INTEL_BIRCH_STREAM_SMBUS 0x5796
#define PCI_DEVICE_ID_INTEL_DIAMOND_RAPIDS_SMBUS 0x5827 #define PCI_DEVICE_ID_INTEL_DIAMOND_RAPIDS_SMBUS 0x5827
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4 #define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_NOVA_LAKE_S_SMBUS 0x6e23
#define PCI_DEVICE_ID_INTEL_ARROW_LAKE_H_SMBUS 0x7722 #define PCI_DEVICE_ID_INTEL_ARROW_LAKE_H_SMBUS 0x7722
#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_S_SMBUS 0x7a23 #define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_S_SMBUS 0x7a23
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS 0x7aa3 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS 0x7aa3
@@ -1061,6 +1063,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE_DATA(INTEL, PANTHER_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) }, { PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, WILDCAT_LAKE_U_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) }, { PCI_DEVICE_DATA(INTEL, WILDCAT_LAKE_U_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, NOVA_LAKE_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ 0, } { 0, }
}; };