Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cb09d943 authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Wolfram Sang
Browse files

i2c: i801: Add support for Intel Cedar Fork 



Add PCI ID for Intel Cedar Fork 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 463a9215

Documentation/i2c/busses/i2c-i801

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

  * Intel Cannon Lake-H (PCH)

  * Intel Cannon Lake-LP (PCH)

  * Intel Cedar Fork (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
@@ -131,6 +131,7 @@ config I2C_I801 
	    Gemini Lake (SOC)

	    Cannon Lake-H (PCH)

	    Cannon Lake-LP (PCH)

	    Cedar Fork (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
@@ -68,6 +68,7 @@ 
 * Gemini Lake (SOC)		0x31d4	32	hard	yes	yes	yes

 * 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

 *

 * Features supported by this driver:

 * Software PEC				no
@@ -204,6 +205,7 @@ 


/* Older devices have their ID defined in <linux/pci_ids.h> */

#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS		0x0f12

#define PCI_DEVICE_ID_INTEL_CDF_SMBUS			0x18df

#define PCI_DEVICE_ID_INTEL_DNV_SMBUS			0x19df

#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS		0x1c22

#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS		0x1d22
@@ -1025,6 +1027,7 @@ static const struct pci_device_id i801_ids[] = { 
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CDF_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) },
@@ -1513,6 +1516,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	case PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS:

	case PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS:

	case PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS:

	case PCI_DEVICE_ID_INTEL_CDF_SMBUS:

	case PCI_DEVICE_ID_INTEL_DNV_SMBUS:

	case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:

		priv->features |= FEATURE_I2C_BLOCK_READ;