From: Zhiwu Song <zhiwu.song@csr.com>
Date: Mon, 13 Feb 2012 09:45:38 +0000 (+0800)
Subject: SPI: add CSR SiRFprimaII SPI controller driver
X-Git-Tag: v3.4-rc1~170^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cc2df9d6f41b689dc9a562a22de87f860ce6be5;p=pandora-kernel.git

SPI: add CSR SiRFprimaII SPI controller driver

CSR SiRFprimaII has two SPIs (SPI0 and SPI1). Features:
* Master and slave modes
* 8-/12-/16-/32-bit data unit
* 256 bytes receive data FIFO and 256 bytes transmit data FIFO
* Multi-unit frame
* Configurable SPI_EN (chip select pin) active state
* Configurable SPI_CLK polarity
* Configurable SPI_CLK phase
* Configurable MSB/LSB first

Signed-off-by: Zhiwu Song <zhiwu.song@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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