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[Intel][6.6] SPI and SMBus driver support on DMR #152

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[Intel][6.6] SPI and SMBus driver support on DMR #152

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54e7357
spi: intel: Add support for Oak Stream SPI serial flash
Oct 29, 2025
d0e4d56
i2c: i801: Add support for Intel Diamond Rapids
arthurzeng19 Oct 21, 2025
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1 change: 1 addition & 0 deletions Documentation/i2c/busses/i2c-i801.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ Supported adapters:
* Intel Birch Stream (SOC)
* Intel Arrow Lake (SOC)
* Intel Panther Lake (SOC)
* Intel Diamond Rapids (SOC)

Datasheets: Publicly available at the Intel website

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1 change: 1 addition & 0 deletions drivers/i2c/busses/Kconfig
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Expand Up @@ -161,6 +161,7 @@ config I2C_I801
Birch Stream (SOC)
Arrow Lake (SOC)
Panther Lake (SOC)
Diamond Rapids (SOC)

This driver can also be built as a module. If so, the module
will be called i2c-i801.
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2 changes: 2 additions & 0 deletions drivers/i2c/busses/i2c-i801.c
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Expand Up @@ -236,6 +236,7 @@
#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
Expand Down Expand Up @@ -1052,6 +1053,7 @@ 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) },
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1 change: 1 addition & 0 deletions drivers/spi/spi-intel-pci.c
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Expand Up @@ -73,6 +73,7 @@ static const struct pci_device_id intel_spi_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0x51a4), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x54a4), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x5794), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x5825), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x7a24), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x7aa4), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x7e23), (unsigned long)&cnl_info },
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