[PATCH v2 0/3] xtensa xtfpga SPI controller driver

[Max Filippov]

Hello,

this series adds driver for SPI controller used on xtfpga xtensa platform,
device tree binding documentation and an entry to MAINTAINERS.

Changes v1 -> v2:
- support 8 bit transfers;
- busy-wait for maximum 100 usec (instead of 100 msec) polling BUSY register;
- use chipselect callback to check transfer size.

Max Filippov (3):
  spi: add xtfpga SPI controller driver
  spi/xtensa-xtfpga: add DT binding documentation
  MAINTAINERS: add xtfpga platform section

 .../devicetree/bindings/spi/spi-xtensa-xtfpga.txt  |   9 +
 MAINTAINERS                                        |   6 +
 drivers/spi/Kconfig                                |  13 ++
 drivers/spi/Makefile                               |   1 +
 drivers/spi/spi-xtensa-xtfpga.c                    | 187 +++++++++++++++++++++
 5 files changed, 216 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
 create mode 100644 drivers/spi/spi-xtensa-xtfpga.c

-- 
1.8.1.4

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