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Commit 5cd1c56c authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Wolfram Sang
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i2c: i801: Add support for Intel Comet Lake 



Add PCI ID for Intel Comet Lake PCH.

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 9e98c678

Documentation/i2c/busses/i2c-i801

+1 −0
Original line number Original line Diff line number Diff line
@@ -36,6 +36,7 @@ Supported adapters: 
  * Intel Cannon Lake (PCH)

  * Intel Cannon Lake (PCH)

  * Intel Cedar Fork (PCH)

  * Intel Cedar Fork (PCH)

  * Intel Ice Lake (PCH)

  * Intel Ice Lake (PCH)

  * Intel Comet Lake (PCH)

   Datasheets: Publicly available at the Intel website

   Datasheets: Publicly available at the Intel website





On Intel Patsburg and later chipsets, both the normal host SMBus controller

On Intel Patsburg and later chipsets, both the normal host SMBus controller

drivers/i2c/busses/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -131,6 +131,7 @@ config I2C_I801 
	    Cannon Lake (PCH)

	    Cannon Lake (PCH)

	    Cedar Fork (PCH)

	    Cedar Fork (PCH)

	    Ice Lake (PCH)

	    Ice Lake (PCH)

	    Comet 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.

drivers/i2c/busses/i2c-i801.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -71,6 +71,7 @@ 
 * Cannon Lake-LP (PCH)		0x9da3	32	hard	yes	yes	yes

 * Cannon Lake-LP (PCH)		0x9da3	32	hard	yes	yes	yes

 * Cedar Fork (PCH)		0x18df	32	hard	yes	yes	yes

 * Cedar Fork (PCH)		0x18df	32	hard	yes	yes	yes

 * Ice Lake-LP (PCH)		0x34a3	32	hard	yes	yes	yes

 * Ice Lake-LP (PCH)		0x34a3	32	hard	yes	yes	yes

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

 *

 *

 * Features supported by this driver:

 * Features supported by this driver:

 * Software PEC				no

 * Software PEC				no
@@ -240,6 +241,7 @@ 
#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS	0xa223

#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS	0xa223

#define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS	0xa2a3

#define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS	0xa2a3

#define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS		0xa323

#define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS		0xa323

#define PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS		0x02a3





struct i801_mux_config {

struct i801_mux_config {

	char *gpio_chip;

	char *gpio_chip;
@@ -1038,6 +1040,7 @@ static const struct pci_device_id i801_ids[] = { 
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_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_CANNONLAKE_LP_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) },

	{ 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) },

	{ 0, }

	{ 0, }

};

};
@@ -1534,6 +1537,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	case PCI_DEVICE_ID_INTEL_DNV_SMBUS:

	case PCI_DEVICE_ID_INTEL_DNV_SMBUS:

	case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:

	case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:

	case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS:

	case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS:

	case PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS:

		priv->features |= FEATURE_I2C_BLOCK_READ;

		priv->features |= FEATURE_I2C_BLOCK_READ;

		priv->features |= FEATURE_IRQ;

		priv->features |= FEATURE_IRQ;

		priv->features |= FEATURE_SMBUS_PEC;

		priv->features |= FEATURE_SMBUS_PEC;