[ 61/68] spi-topcliff-pch: Support new device LAPIS SemiconductorML7831 IOH

From: Greg KH
Date: Thu Apr 19 2012 - 17:20:42 EST


3.2-stable review patch. If anyone has any objections, please let me know.

------------------

From: Tomoya MORINAGA <tomoya-linux@xxxxxxxxxxxxxxxxxx>

commit 92b3a5c1bc3c7da1ae4675d014124f4a97ddb632 upstream.

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/spi/Kconfig | 6 +++---
drivers/spi/spi-topcliff-pch.c | 5 ++++-
2 files changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -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"
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -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_pcid
{ 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, },
{ }
};



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