[PATCH v2 0/5] add SPI controller driver for Atheros AR7XXX/AR9XXX SoCs

[Antony Pavlov]

This patchseries adds the SPI controller driver for Atheros AR7XXX/AR9XXX SoCs.
The driver uses bitbang SPI driver infrastructure from linux kernel.

Changes since v1:
  * spi: ath79: fix ath79_spi_setup() return error codes

Antony Pavlov (5):
  spi: import bitbang txrx utility functions from linux
  spi: add controller driver for Atheros AR7XXX/AR9XXX SoCs
  MIPS: ar9331.dtsi: add SPI master
  MIPS: tplink-mr3020.dts: add S25FL032PIF SPI flash chip
  MIPS: tplink-mr3020_defconfig: add SPI support

 arch/mips/configs/tplink-mr3020_defconfig |   7 +-
 arch/mips/dts/ar9331.dtsi                 |   6 +
 arch/mips/dts/tplink-mr3020.dts           |  20 ++
 drivers/spi/Kconfig                       |   4 +
 drivers/spi/Makefile                      |   1 +
 drivers/spi/ath79_spi.c                   | 299 ++++++++++++++++++++++++++++++
 drivers/spi/spi-bitbang-txrx.h            |  95 ++++++++++
 7 files changed, 431 insertions(+), 1 deletion(-)
 create mode 100644 drivers/spi/ath79_spi.c
 create mode 100644 drivers/spi/spi-bitbang-txrx.h

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1.9.0