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i2c: i801: Add support for Intel Ice Lake 

Intel Ice Lake has the same SMBus host controller than Intel Cannon
Lake. Add the PCI ID to the drivers list of supported devices.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[jarkko.nikula@linux.intel.com: Add entries to Documentation and Kconfig]
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Mika Westerberg 2018-06-28 16:08:24 +03:00 committed by Wolfram Sang
parent 80d943ab19
commit 0bff2a8610
3 changed files with 6 additions and 0 deletions
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1
Documentation/i2c/busses/i2c-i801
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@ -35,6 +35,7 @@ Supported adapters:
* Intel Gemini Lake (SOC)
* Intel Cannon Lake (PCH)
* Intel Cedar Fork (PCH)
* Intel Ice Lake (PCH)
Datasheets: Publicly available at the Intel website
On Intel Patsburg and later chipsets, both the normal host SMBus controller

1
drivers/i2c/busses/Kconfig
View File

@ -130,6 +130,7 @@ config I2C_I801
Gemini Lake (SOC)
Cannon Lake (PCH)
Cedar Fork (PCH)
Ice Lake (PCH)
This driver can also be built as a module. If so, the module
will be called i2c-i801.

4
drivers/i2c/busses/i2c-i801.c
View File

@ -70,6 +70,7 @@
* Cannon Lake-H (PCH) 0xa323 32 hard yes yes yes
* Cannon Lake-LP (PCH) 0x9da3 32 hard yes yes yes
* Cedar Fork (PCH) 0x18df 32 hard yes yes yes
* Ice Lake-LP (PCH) 0x34a3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@ -220,6 +221,7 @@
#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330
#define PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS 0x23b0
#define PCI_DEVICE_ID_INTEL_GEMINILAKE_SMBUS 0x31d4
#define PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS 0x34a3
#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
@ -1034,6 +1036,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) },
{ 0, }
};
@ -1518,6 +1521,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_CDF_SMBUS:
case PCI_DEVICE_ID_INTEL_DNV_SMBUS:
case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:
case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS:
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;
priv->features |= FEATURE_SMBUS_PEC;