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Commit 0bff2a86 authored by Mika Westerberg's avatar Mika Westerberg Committed by Wolfram Sang
Browse files

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: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
[jarkko.nikula@linux.intel.com: Add entries to Documentation and Kconfig]
Signed-off-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: default avatarJean Delvare <jdelvare@suse.de>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 80d943ab

Documentation/i2c/busses/i2c-i801

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/i2c/busses/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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.

drivers/i2c/busses/i2c-i801.c

+4 −0
Original line number Diff line number Diff line
@@ -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;