aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/i2c/busses/i2c-viapro7
-rw-r--r--drivers/i2c/busses/Kconfig5
-rw-r--r--drivers/i2c/busses/i2c-viapro.c6
3 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro
index 25680346e0a..775f489e86f 100644
--- a/Documentation/i2c/busses/i2c-viapro
+++ b/Documentation/i2c/busses/i2c-viapro
@@ -13,6 +13,9 @@ Supported adapters:
* VIA Technologies, Inc. VT8235, VT8237R, VT8237A, VT8251
Datasheet: available on request and under NDA from VIA
+ * VIA Technologies, Inc. CX700
+ Datasheet: available on request and under NDA from VIA
+
Authors:
Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>,
@@ -44,6 +47,7 @@ Your lspci -n listing must show one of these :
device 1106:3227 (VT8237R)
device 1106:3337 (VT8237A)
device 1106:3287 (VT8251)
+ device 1106:8324 (CX700)
If none of these show up, you should look in the BIOS for settings like
enable ACPI / SMBus or even USB.
@@ -51,3 +55,6 @@ enable ACPI / SMBus or even USB.
Except for the oldest chips (VT82C596A/B, VT82C686A and most probably
VT8231), this driver supports I2C block transactions. Such transactions
are mainly useful to read from and write to EEPROMs.
+
+The CX700 additionally appears to support SMBus PEC, although this driver
+doesn't implement it yet.
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index f2894dec51a..25d52e0eec2 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -500,11 +500,11 @@ config I2C_VIA
will be called i2c-via.
config I2C_VIAPRO
- tristate "VIA 82C596/82C686/82xx"
+ tristate "VIA VT82C596/82C686/82xx and CX700"
depends on I2C && PCI
help
If you say yes to this option, support will be included for the VIA
- 82C596/82C686/82xx I2C interfaces. Specifically, the following
+ VT82C596 and later SMBus interface. Specifically, the following
chipsets are supported:
VT82C596A/B
VT82C686A/B
@@ -513,6 +513,7 @@ config I2C_VIAPRO
VT8235
VT8237R/A
VT8251
+ CX700
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 43a081f1655..03c5fc86854 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -4,7 +4,7 @@
Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>, Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>
- Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
+ Copyright (C) 2005 - 2007 Jean Delvare <khali@linux-fr.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -36,6 +36,7 @@
VT8237R 0x3227 yes
VT8237A 0x3337 yes
VT8251 0x3287 yes
+ CX700 0x8324 yes
Note: we assume there can only be one device, with one SMBus interface.
*/
@@ -384,6 +385,7 @@ found:
dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
switch (pdev->device) {
+ case PCI_DEVICE_ID_VIA_CX700:
case PCI_DEVICE_ID_VIA_8251:
case PCI_DEVICE_ID_VIA_8237:
case PCI_DEVICE_ID_VIA_8237A:
@@ -443,6 +445,8 @@ static struct pci_device_id vt596_ids[] = {
.driver_data = SMBBA1 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251),
.driver_data = SMBBA3 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700),
+ .driver_data = SMBBA3 },
{ 0, }
};