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i2c: Add viperboard i2c master driver

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This adds the mfd cell to use the i2c part of the Nano River Technologies
viperboard as i2c master.

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Lars Poeschel
2012-11-19 16:36:04 +01:00
committed by Samuel Ortiz
parent 9d5b72de0d
commit 174a13aa86
5 changed files with 496 additions and 0 deletions
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2
include/linux/mfd/viperboard.h
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@@ -42,6 +42,8 @@
#define VPRBRD_USB_TYPE_OUT 0x40
#define VPRBRD_USB_TYPE_IN 0xc0
#define VPRBRD_USB_TIMEOUT_MS 100
#define VPRBRD_USB_REQUEST_I2C_FREQ 0xe6
#define VPRBRD_USB_REQUEST_I2C 0xe9
#define VPRBRD_USB_REQUEST_MAJOR 0xea
#define VPRBRD_USB_REQUEST_MINOR 0xeb
#define VPRBRD_USB_REQUEST_GPIOA 0xed