linux-kernel - [PATCH 1/2] spi-topcliff-pch: Support new device LAPIS Semiconductor ML7831 IOH

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Date:	Fri, 28 Oct 2011 09:35:21 +0900
From:	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Cc:	qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com,
	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
Subject: [PATCH 1/2] 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@....lapis-semi.com>
---
 drivers/spi/Kconfig            |    6 +++---
 drivers/spi/spi-topcliff-pch.c |    5 ++++-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a1fd73d..6168516 100644
--- 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"
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 @@ 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, },
 	{ }
 };
 
-- 
1.7.4.4

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