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>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 52e2900..b02920a 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -346,14 +346,14 @@
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"
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 6a80749..2b1e966 100644
--- 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 @@
{ 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, },
{ }
};