i2c-viapro: Add support for the VT8237A and VT8251

i2c-viapro: Add support for the VT8237A and VT8251

Documentation update included. Compile tested.

Signed-off-by: Rudolf Marek <r.marek@sh.cvut.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 23 insertions, 10 deletions

diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro
index 16775663b9f5..25680346e0ac 100644
--- a/Documentation/i2c/busses/i2c-viapro
+++ b/Documentation/i2c/busses/i2c-viapro
@@ -7,9 +7,12 @@ Supported adapters:
   * VIA Technologies, Inc. VT82C686A/B
     Datasheet: Sometimes available at the VIA website
 
-  * VIA Technologies, Inc. VT8231, VT8233, VT8233A, VT8235, VT8237R
+  * VIA Technologies, Inc. VT8231, VT8233, VT8233A
     Datasheet: available on request from VIA
 
+  * VIA Technologies, Inc. VT8235, VT8237R, VT8237A, VT8251
+    Datasheet: available on request and under NDA from VIA
+
 Authors:
         Kyösti Mälkki <kmalkki@cc.hut.fi>,
         Mark D. Studebaker <mdsxyz123@yahoo.com>,
@@ -39,6 +42,8 @@ Your lspci -n listing must show one of these :
  device 1106:8235   (VT8231 function 4)
  device 1106:3177   (VT8235)
  device 1106:3227   (VT8237R)
+ device 1106:3337   (VT8237A)
+ device 1106:3287   (VT8251)
 
 If none of these show up, you should look in the BIOS for settings like
 enable ACPI / SMBus or even USB.
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 1df3bd97cb15..9e56c3989d68 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -492,19 +492,19 @@ config I2C_VIA
           will be called i2c-via.
 
 config I2C_VIAPRO
-        tristate "VIA 82C596/82C686/823x"
+        tristate "VIA 82C596/82C686/82xx"
         depends on I2C && PCI
         help
           If you say yes to this option, support will be included for the VIA
-          82C596/82C686/823x I2C interfaces.  Specifically, the following 
+          82C596/82C686/82xx I2C interfaces.  Specifically, the following
           chipsets are supported:
-          82C596A/B
-          82C686A/B
-          8231
-          8233
-          8233A
-          8235
-          8237
+            VT82C596A/B
+            VT82C686A/B
+            VT8231
+            VT8233/A
+            VT8235
+            VT8237R/A
+            VT8251
 
           This driver can also be built as a module.  If so, the module
           will be called i2c-viapro.
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 47e52bf2c5ec..1ccc0fbc5947 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -34,6 +34,8 @@
    VT8233A            0x3147             yes?
    VT8235             0x3177             yes
    VT8237R            0x3227             yes
+   VT8237A            0x3337             yes
+   VT8251             0x3287             yes
 
    Note: we assume there can only be one device, with one SMBus interface.
 */
@@ -381,7 +383,9 @@ found:
         dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
 
         switch (pdev->device) {
+        case PCI_DEVICE_ID_VIA_8251:
         case PCI_DEVICE_ID_VIA_8237:
+        case PCI_DEVICE_ID_VIA_8237A:
         case PCI_DEVICE_ID_VIA_8235:
         case PCI_DEVICE_ID_VIA_8233A:
         case PCI_DEVICE_ID_VIA_8233_0:
@@ -432,8 +436,12 @@ static struct pci_device_id vt596_ids[] = {
           .driver_data = SMBBA3 },
         { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237),
           .driver_data = SMBBA3 },
+        { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237A),
+          .driver_data = SMBBA3 },
         { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4),
           .driver_data = SMBBA1 },
+        { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251),
+          .driver_data = SMBBA3 },
         { 0, }
 };