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authorDavid Woodhouse <dwmw2@infradead.org>2010-10-31 21:07:00 +0100
committerJean Delvare <khali@endymion.delvare>2010-10-31 21:07:00 +0100
commit55fee8d7f7cb011d7f161cf816220ac74e34b6b1 (patch)
treea79b1cd5c7e27cebdbac6524cf7dab4c8ee2ef41
parent0cd96eb0a74791cacb27ace902b991cfd0e72abe (diff)
downloadlinux-linaro-55fee8d7f7cb011d7f161cf816220ac74e34b6b1.tar.gz
i2c-i801: Add PCI idents for Patsburg 'IDF' SMBus controllers
These are the extra 'Integrated Device Function' SMBus controllers found on the Patsburg chipset. Mention the absence of slave mode support. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-rw-r--r--Documentation/i2c/busses/i2c-i8013
-rw-r--r--drivers/i2c/busses/i2c-i801.c12
2 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index a417cb13943..93fe76e5652 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -20,6 +20,9 @@ Supported adapters:
* Intel Patsburg (PCH)
Datasheets: Publicly available at the Intel website
+On Intel Patsburg and later chipsets, both the normal host SMBus controller
+and the additional 'Integrated Device Function' controllers are supported.
+
Authors:
Mark Studebaker <mdsxyz123@yahoo.com>
Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 56883f48c2e..02835ce7ff4 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -46,6 +46,9 @@
5/3400 Series (PCH) 0x3b30 32 hard yes yes yes
Cougar Point (PCH) 0x1c22 32 hard yes yes yes
Patsburg (PCH) 0x1d22 32 hard yes yes yes
+ Patsburg (PCH) IDF 0x1d70 32 hard yes yes yes
+ Patsburg (PCH) IDF 0x1d71 32 hard yes yes yes
+ Patsburg (PCH) IDF 0x1d72 32 hard yes yes yes
Features supported by this driver:
Software PEC no
@@ -53,6 +56,7 @@
Block buffer yes
Block process call transaction no
I2C block read transaction yes (doesn't use the block buffer)
+ Slave mode no
See the file Documentation/i2c/busses/i2c-i801 for details.
*/
@@ -128,6 +132,11 @@
SMBHSTSTS_BUS_ERR | SMBHSTSTS_DEV_ERR | \
SMBHSTSTS_INTR)
+/* Patsburg also has three 'Integrated Device Function' SMBus controllers */
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0 0x1d70
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1 0x1d71
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2 0x1d72
+
struct i801_priv {
struct i2c_adapter adapter;
unsigned long smba;
@@ -608,6 +617,9 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2) },
{ 0, }
};