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Commit c3f4661f authored by Tomoya MORINAGA's avatar Tomoya MORINAGA Committed by Ben Dooks
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i2c-eg20t: Support new device LAPIS Semiconductor ML7831 IOH 



ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: default avatarTomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent ff35e8b1

drivers/i2c/busses/Kconfig

+7 −7
Original line number Original line Diff line number Diff line
@@ -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"

drivers/i2c/busses/i2c-eg20t.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -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,}

};

};