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i2c-eg20t: Support new device LAPIS Semiconductor ML7831 IOH

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ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Tomoya MORINAGA
2011-10-28 09:40:10 +09:00
committed by Ben Dooks
parent ff35e8b189
commit c3f4661f55
2 changed files with 10 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/i2c/busses/Kconfig
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@@ -682,19 +682,19 @@ config I2C_XILINX
will be called xilinx_i2c. will be called xilinx_i2c.
config I2C_EG20T config I2C_EG20T
tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223)" tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
depends on PCI depends on PCI
help help
This driver is for PCH(Platform controller Hub) I2C of EG20T which This driver is for PCH(Platform controller Hub) I2C of EG20T which
is an IOH(Input/Output Hub) for x86 embedded processor. is an IOH(Input/Output Hub) for x86 embedded processor.
This driver can access PCH I2C bus device. This driver can access PCH I2C bus device.
This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ This driver also can be used for LAPIS Semiconductor IOH(Input/
Output Hub), ML7213 and ML7223. Output Hub), ML7213, ML7223 and ML7831.
ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
for MP(Media Phone) use. for MP(Media Phone) use and ML7831 IOH is for general purpose use.
ML7213/ML7223 is companion chip for Intel Atom E6xx series. ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
ML7213/ML7223 is completely compatible for Intel EG20T PCH. ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
comment "External I2C/SMBus adapter drivers" comment "External I2C/SMBus adapter drivers"

3
drivers/i2c/busses/i2c-eg20t.c
View File

@@ -137,6 +137,7 @@
Set the number of I2C instance max Set the number of I2C instance max
Intel EG20T PCH : 1ch Intel EG20T PCH : 1ch
OKI SEMICONDUCTOR ML7213 IOH : 2ch OKI SEMICONDUCTOR ML7213 IOH : 2ch
OKI SEMICONDUCTOR ML7831 IOH : 1ch
*/ */
#define PCH_I2C_MAX_DEV 2 #define PCH_I2C_MAX_DEV 2
@@ -184,11 +185,13 @@ static DEFINE_MUTEX(pch_mutex);
#define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_VENDOR_ID_ROHM 0x10DB
#define PCI_DEVICE_ID_ML7213_I2C 0x802D #define PCI_DEVICE_ID_ML7213_I2C 0x802D
#define PCI_DEVICE_ID_ML7223_I2C 0x8010 #define PCI_DEVICE_ID_ML7223_I2C 0x8010
#define PCI_DEVICE_ID_ML7831_I2C 0x8817
static DEFINE_PCI_DEVICE_TABLE(pch_pcidev_id) = { static DEFINE_PCI_DEVICE_TABLE(pch_pcidev_id) = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_I2C), 1, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_I2C), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_I2C), 2, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_I2C), 2, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_I2C), 1, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_I2C), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_I2C), 1, },
{0,} {0,}
}; };