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spi-topcliff-pch: 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: 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
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@ -346,14 +346,14 @@ config SPI_TI_SSP
serial port. serial port.
config SPI_TOPCLIFF_PCH 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 depends on PCI
help help
SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus
used in some x86 embedded processors. used in some x86 embedded processors.
This driver also supports the ML7213, a companion chip for the This driver also supports the ML7213/ML7223/ML7831, a companion chip
Atom E6xx series and compatible with the Intel EG20T PCH. for the Atom E6xx series and compatible with the Intel EG20T PCH.
config SPI_TXX9 config SPI_TXX9
tristate "Toshiba TXx9 SPI controller" 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_CLOCK_HZ 50000000
#define PCH_MAX_SPBR 1023 #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_VENDOR_ID_ROHM 0x10DB
#define PCI_DEVICE_ID_ML7213_SPI 0x802c #define PCI_DEVICE_ID_ML7213_SPI 0x802c
#define PCI_DEVICE_ID_ML7223_SPI 0x800F #define PCI_DEVICE_ID_ML7223_SPI 0x800F
#define PCI_DEVICE_ID_ML7831_SPI 0x8816
/* /*
* Set the number of SPI instance max * Set the number of SPI instance max
* Intel EG20T PCH : 1ch * Intel EG20T PCH : 1ch
* OKI SEMICONDUCTOR ML7213 IOH : 2ch * OKI SEMICONDUCTOR ML7213 IOH : 2ch
* OKI SEMICONDUCTOR ML7223 IOH : 1ch * OKI SEMICONDUCTOR ML7223 IOH : 1ch
* OKI SEMICONDUCTOR ML7831 IOH : 1ch
*/ */
#define PCH_SPI_MAX_DEV 2 #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(INTEL, PCI_DEVICE_ID_GE_SPI), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_SPI), 1, },
{ } { }
}; };