3 files changed, 8 insertions, 3 deletions

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index c31e0291e167..81c0c59a60ea 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -13,8 +13,9 @@ Supported adapters:
   * Intel 631xESB/632xESB (ESB2)
   * Intel 82801H (ICH8)
   * Intel 82801I (ICH9)
-  * Intel Tolapai
-  * Intel ICH10
+  * Intel EP80579 (Tolapai)
+  * Intel 82801JI (ICH10)
+  * Intel PCH
    Datasheets: Publicly available at the Intel website
 
 Authors: 
@@ -32,7 +33,7 @@ Description
 -----------
 
 The ICH (properly known as the 82801AA), ICH0 (82801AB), ICH2 (82801BA),
-ICH3 (82801CA/CAM) and later devices are Intel chips that are a part of
+ICH3 (82801CA/CAM) and later devices (PCH) are Intel chips that are a part of
 Intel's '810' chipset for Celeron-based PCs, '810E' chipset for
 Pentium-based PCs, '815E' chipset, and others.
 
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index acadbc51fc0f..7f95905bbb9d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -97,6 +97,7 @@ config I2C_I801
             ICH9
             Tolapai
             ICH10
+            PCH
 
           This driver can also be built as a module.  If so, the module
           will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index dc7ea32b69a8..5123eb69a971 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -41,6 +41,7 @@
   Tolapai               0x5032     32     hard     yes     yes     yes
   ICH10                 0x3a30     32     hard     yes     yes     yes
   ICH10                 0x3a60     32     hard     yes     yes     yes
+  PCH                   0x3b30     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no
@@ -576,6 +577,7 @@ static struct pci_device_id i801_ids[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TOLAPAI_1) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) },
         { 0, }
 };
 
@@ -599,6 +601,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
         case PCI_DEVICE_ID_INTEL_TOLAPAI_1:
         case PCI_DEVICE_ID_INTEL_ICH10_4:
         case PCI_DEVICE_ID_INTEL_ICH10_5:
+        case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
                 i801_features |= FEATURE_I2C_BLOCK_READ;
                 /* fall through */
         case PCI_DEVICE_ID_INTEL_82801DB_3: