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i2c-eg20t: Support new device ML7223 IOH

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Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Tomoya MORINAGA 2011-05-09 16:32:31 +09:00 • committed by Ben Dooks
parent 9f381a61f5
commit efbe0f27cc
2 changed files with 9 additions and 3 deletions
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10
drivers/i2c/busses/Kconfig
View file

@ -671,15 +671,19 @@ 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 ML7213 IOH" tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223)"
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 supports the ML7213, a companion chip for the This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
Atom E6xx series and compatible with the Intel EG20T PCH. Output Hub), ML7213 and ML7223.
ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
for MP(Media Phone) use.
ML7213/ML7223 is companion chip for Intel Atom E6xx series.
ML7213/ML7223 is completely compatible for Intel EG20T PCH.
comment "External I2C/SMBus adapter drivers" comment "External I2C/SMBus adapter drivers"

2
drivers/i2c/busses/i2c-eg20t.c
View file

@ -182,10 +182,12 @@ static DEFINE_MUTEX(pch_mutex);
/* Definition for ML7213 by OKI SEMICONDUCTOR */ /* Definition for ML7213 by OKI SEMICONDUCTOR */
#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
static struct pci_device_id __devinitdata pch_pcidev_id[] = { static struct pci_device_id __devinitdata 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, },
{0,} {0,}
}; };