Commit 332fdaeb authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Wolfram Sang
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i2c: i801: Add support for Intel Alder Lake PCH-S 



Add PCI ID of SMBus controller on Intel Alder Lake PCH-S

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@kernel.org>
parent d0fa235c

Documentation/i2c/busses/i2c-i801.rst

+1 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ Supported adapters: 
  * Intel Tiger Lake (PCH)

  * Intel Jasper Lake (SOC)

  * Intel Emmitsburg (PCH)

  * Intel Alder Lake (PCH)



   Datasheets: Publicly available at the Intel website

drivers/i2c/busses/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ config I2C_I801 
	    Tiger Lake (PCH)

	    Jasper Lake (SOC)

	    Emmitsburg (PCH)

	    Alder 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
@@ -71,6 +71,7 @@ 
 * Tiger Lake-H (PCH)		0x43a3	32	hard	yes	yes	yes

 * Jasper Lake (SOC)		0x4da3	32	hard	yes	yes	yes

 * Comet Lake-V (PCH)		0xa3a3	32	hard	yes	yes	yes

 * Alder Lake-S (PCH)		0x7aa3	32	hard	yes	yes	yes

 *

 * Features supported by this driver:

 * Software PEC				no
@@ -228,6 +229,7 @@ 
#define PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS		0x4b23

#define PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS		0x4da3

#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS		0x5ad4

#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS		0x7aa3

#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS		0x8c22

#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS		0x8ca2

#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS		0x8d22
@@ -1081,6 +1083,7 @@ static const struct pci_device_id i801_ids[] = { 
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS) },

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS) },

	{ 0, }

};
@@ -1758,6 +1761,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	case PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS:

	case PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS:

	case PCI_DEVICE_ID_INTEL_EBG_SMBUS:

	case PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS:

		priv->features |= FEATURE_BLOCK_PROC;

		priv->features |= FEATURE_I2C_BLOCK_READ;

		priv->features |= FEATURE_IRQ;