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Commit 051d769f authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Wolfram Sang
Browse files

i2c: i801: Add support for Intel Tiger Lake 



Add SMBUS PCI ID for Intel Tiger Lake -LP.

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 856078bf

Documentation/i2c/busses/i2c-i801

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ Supported adapters: 
  * Intel Ice Lake (PCH)

  * Intel Comet Lake (PCH)

  * Intel Elkhart Lake (PCH)

  * Intel Tiger 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
@@ -144,6 +144,7 @@ config I2C_I801 
	    Ice Lake (PCH)

	    Comet Lake (PCH)

	    Elkhart Lake (PCH)

	    Tiger 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
@@ -73,6 +73,7 @@ 
 * Ice Lake-LP (PCH)		0x34a3	32	hard	yes	yes	yes

 * Comet Lake (PCH)		0x02a3	32	hard	yes	yes	yes

 * Elkhart Lake (PCH)		0x4b23	32	hard	yes	yes	yes

 * Tiger Lake-LP (PCH)		0xa0a3	32	hard	yes	yes	yes

 *

 * Features supported by this driver:

 * Software PEC				no
@@ -241,6 +242,7 @@ 
#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS	0x9ca2

#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS	0x9d23

#define PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS		0x9da3

#define PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS		0xa0a3

#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS	0xa123

#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS		0xa1a3

#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS	0xa223
@@ -1075,6 +1077,7 @@ static const struct pci_device_id i801_ids[] = { 
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS) },

	{ 0, }

};
@@ -1710,6 +1713,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS:

	case PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS:

	case PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS:

	case PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS:

		priv->features |= FEATURE_BLOCK_PROC;

		priv->features |= FEATURE_I2C_BLOCK_READ;

		priv->features |= FEATURE_IRQ;