From: "Ivan T. Ivanov" <redacted>

Hi, 

Following two patches are adding initial support for SPI controller
available in Qualcomm SoC's.

Controller initialization is based on spi_qsd driver available in
CAF repository. 

Controller supports SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP modes, 
up to 3 CS's and from 4 to 32 bits per word. SPI_LOOP mode is limited 
to input FIFO buffer size.

Currently driver support only PIO mode, I am hopping to add also DMA
mode support with dmaengine patches developed by Andy.

Regards,
Ivan

Ivan T. Ivanov (2):
  spi: qup: Add device tree bindings information
  spi: Add Qualcomm QUP SPI controller support

 .../devicetree/bindings/spi/qcom,spi-qup.txt       |   86 ++
 drivers/spi/Kconfig                                |   14 +
 drivers/spi/Makefile                               |    1 +
 drivers/spi/spi-qup.c                              |  898 ++++++++++++++++++++
 4 files changed, 999 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qup.txt
 create mode 100644 drivers/spi/spi-qup.c

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1.7.9.5