openharmony/kernel_linux
1
0
Fork 0
mirror of https://gitee.com/openharmony/kernel_linux synced 2025-04-04 08:02:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

i2c-viapro: Add support for the VT8237A and VT8251

Browse Source 
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>
This commit is contained in:
Rudolf Marek 2006-09-03 22:35:21 +02:00 committed by Greg Kroah-Hartman
parent 114fd18397
commit c243353a90
3 changed files with 23 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/i2c/busses/i2c-viapro
View File

@ -7,9 +7,12 @@ Supported adapters:
* VIA Technologies, Inc. VT82C686A/B * VIA Technologies, Inc. VT82C686A/B
Datasheet: Sometimes available at the VIA website 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 Datasheet: available on request from VIA
* VIA Technologies, Inc. VT8235, VT8237R, VT8237A, VT8251
Datasheet: available on request and under NDA from VIA
Authors: Authors:
Kyösti Mälkki <kmalkki@cc.hut.fi>, Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>, 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 1106:8235 (VT8231 function 4)
device 1106:3177 (VT8235) device 1106:3177 (VT8235)
device 1106:3227 (VT8237R) 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 If none of these show up, you should look in the BIOS for settings like
enable ACPI / SMBus or even USB. enable ACPI / SMBus or even USB.

18
drivers/i2c/busses/Kconfig
View File

@ -492,19 +492,19 @@ config I2C_VIA
will be called i2c-via. will be called i2c-via.
config I2C_VIAPRO config I2C_VIAPRO
tristate "VIA 82C596/82C686/823x" tristate "VIA 82C596/82C686/82xx"
depends on I2C && PCI depends on I2C && PCI
help help
If you say yes to this option, support will be included for the VIA 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: chipsets are supported:
82C596A/B VT82C596A/B
82C686A/B VT82C686A/B
8231 VT8231
8233 VT8233/A
8233A VT8235
8235 VT8237R/A
8237 VT8251
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called i2c-viapro. will be called i2c-viapro.

8
drivers/i2c/busses/i2c-viapro.c
View File

@ -34,6 +34,8 @@
VT8233A 0x3147 yes? VT8233A 0x3147 yes?
VT8235 0x3177 yes VT8235 0x3177 yes
VT8237R 0x3227 yes VT8237R 0x3227 yes
VT8237A 0x3337 yes
VT8251 0x3287 yes
Note: we assume there can only be one device, with one SMBus interface. 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); dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
switch (pdev->device) { switch (pdev->device) {
case PCI_DEVICE_ID_VIA_8251:
case PCI_DEVICE_ID_VIA_8237: case PCI_DEVICE_ID_VIA_8237:
case PCI_DEVICE_ID_VIA_8237A:
case PCI_DEVICE_ID_VIA_8235: case PCI_DEVICE_ID_VIA_8235:
case PCI_DEVICE_ID_VIA_8233A: case PCI_DEVICE_ID_VIA_8233A:
case PCI_DEVICE_ID_VIA_8233_0: case PCI_DEVICE_ID_VIA_8233_0:
@ -432,8 +436,12 @@ static struct pci_device_id vt596_ids[] = {
.driver_data = SMBBA3 }, .driver_data = SMBBA3 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237), { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237),
.driver_data = SMBBA3 }, .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), { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4),
.driver_data = SMBBA1 }, .driver_data = SMBBA1 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251),
.driver_data = SMBBA3 },
{ 0, } { 0, }
}; };