[PATCH 0/2 v4] SPI: spi-pxa2xx: Add support for Intel Quark X1000 SPI controller

[Weike Chen <alvin.chen@xxxxxxxxx>]

Hi,
Intel Quark X1000 consists of two SPI controllers which can be PCI enumerated.
SPI-PXA2XX PCI layer doesn't support it. Thus, we add support for Intel Quark
X1000 SPI as well.

---
v4:
[PATCH 1/2]
* No changes.
[PATCH 2/2]
* Move all Quark specific macros out of #ifdef 'CONFIG_ARCH_PXA'.

v3:
[PATCH 1/2]
* Improve the commit message.
* A couple of minor fixes.
[PATCH 2/2]
* Set '.num_chipselect' to '1' instead of '4'.
* A couple of minor fixes.

v2:
  Split into two patches: one is for helper functions,
  and another is for quark supporting.

[PATCH 1/2]
* Add helper functions to access registers.
* Use 'switch' instead of 'if-else'.
[PATCH 2/2]
* Use 'switch' instead of 'if-else'.
* Add comments for the 'dds'&'clk_div' caculation.
* A couple of minor fixes.

Weike Chen (2):
  SPI: spi-pxa2xx: Add helpers for regiseters' accessing
  SPI: spi-pxa2xx: SPI support for Intel Quark X1000

 drivers/spi/spi-pxa2xx-pci.c |    8 ++
 drivers/spi/spi-pxa2xx.c     |  304 ++++++++++++++++++++++++++++++++++++------
 drivers/spi/spi-pxa2xx.h     |   16 ++-
 include/linux/pxa2xx_ssp.h   |   20 +++
 4 files changed, 303 insertions(+), 45 deletions(-)

-- 
1.7.9.5

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