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i2c-viapro: Add VX800/VX820 support

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Thanks to new datasheets published on http://linux.via.com.tw we can now add 
support for VX800/VX820 chipsets.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Rudolf Marek 2008-10-14 17:30:03 +02:00 committed by Jean Delvare
parent 4ad48e6ab1
commit b806a71a0e
3 changed files with 13 additions and 3 deletions
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8
Documentation/i2c/busses/i2c-viapro
View file

@ -16,6 +16,9 @@ Supported adapters:
* VIA Technologies, Inc. CX700
Datasheet: available on request and under NDA from VIA
* VIA Technologies, Inc. VX800/VX820
Datasheet: available on http://linux.via.com.tw
Authors:
Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>,
@ -49,6 +52,7 @@ Your lspci -n listing must show one of these :
device 1106:3372 (VT8237S)
device 1106:3287 (VT8251)
device 1106:8324 (CX700)
device 1106:8353 (VX800/VX820)
If none of these show up, you should look in the BIOS for settings like
enable ACPI / SMBus or even USB.
@ -57,5 +61,5 @@ 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.
The CX700/VX800/VX820 additionally appears to support SMBus PEC, although
this driver doesn't implement it yet.

4
drivers/i2c/busses/Kconfig
View file

@ -209,7 +209,7 @@ config I2C_VIA
will be called i2c-via.
config I2C_VIAPRO
tristate "VIA VT82C596/82C686/82xx and CX700"
tristate "VIA VT82C596/82C686/82xx and CX700/VX800/VX820"
depends on PCI
help
If you say yes to this option, support will be included for the VIA
@ -223,6 +223,8 @@ config I2C_VIAPRO
VT8237R/A/S
VT8251
CX700
VX800
VX820
This driver can also be built as a module. If so, the module
will be called i2c-viapro.

4
drivers/i2c/busses/i2c-viapro.c
View file

@ -36,6 +36,7 @@
VT8237S 0x3372 yes
VT8251 0x3287 yes
CX700 0x8324 yes
VX800/VX820 0x8353 yes
Note: we assume there can only be one device, with one SMBus interface.
*/
@ -396,6 +397,7 @@ found:
switch (pdev->device) {
case PCI_DEVICE_ID_VIA_CX700:
case PCI_DEVICE_ID_VIA_VX800:
case PCI_DEVICE_ID_VIA_8251:
case PCI_DEVICE_ID_VIA_8237:
case PCI_DEVICE_ID_VIA_8237A:
@ -459,6 +461,8 @@ static struct pci_device_id vt596_ids[] = {
.driver_data = SMBBA3 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700),
.driver_data = SMBBA3 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800),
.driver_data = SMBBA3 },
{ 0, }
};