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spi-topcliff-pch: Support new device LAPIS Semiconductor ML7831 IOH 

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Tomoya MORINAGA 2011-10-28 09:35:21 +09:00 committed by Grant Likely
parent 39f1b56593
commit 92b3a5c1bc
2 changed files with 7 additions and 4 deletions
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6
drivers/spi/Kconfig
View File

@ -346,14 +346,14 @@ config SPI_TI_SSP
serial port.
config SPI_TOPCLIFF_PCH
tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH SPI controller"
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI"
depends on PCI
help
SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus
used in some x86 embedded processors.
This driver also supports the ML7213, a companion chip for the
Atom E6xx series and compatible with the Intel EG20T PCH.
This driver also supports the ML7213/ML7223/ML7831, a companion chip
for the Atom E6xx series and compatible with the Intel EG20T PCH.
config SPI_TXX9
tristate "Toshiba TXx9 SPI controller"

5
drivers/spi/spi-topcliff-pch.c
View File

@ -95,16 +95,18 @@
#define PCH_CLOCK_HZ 50000000
#define PCH_MAX_SPBR 1023
/* Definition for ML7213 by OKI SEMICONDUCTOR */
/* Definition for ML7213/ML7831 by OKI SEMICONDUCTOR */
#define PCI_VENDOR_ID_ROHM 0x10DB
#define PCI_DEVICE_ID_ML7213_SPI 0x802c
#define PCI_DEVICE_ID_ML7223_SPI 0x800F
#define PCI_DEVICE_ID_ML7831_SPI 0x8816
/*
* Set the number of SPI instance max
* Intel EG20T PCH : 1ch
* OKI SEMICONDUCTOR ML7213 IOH : 2ch
* OKI SEMICONDUCTOR ML7223 IOH : 1ch
* OKI SEMICONDUCTOR ML7831 IOH : 1ch
*/
#define PCH_SPI_MAX_DEV 2
@ -218,6 +220,7 @@ static struct pci_device_id pch_spi_pcidev_id[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_GE_SPI), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_SPI), 1, },
{ }
};