This driver is an attempt to resolve a dispute about adding "generic"
memory-mapped GPIO support for DT:
http://comments.gmane.org/gmane.linux.kernel.gpio/2

Alexander Shiyan (2):
  GPIO: Add driver for 74xx-ICs with MMIO access
  GPIO: 74xx-mmio: Add DT bindings documentation

 .../devicetree/bindings/gpio/gpio-74xx-mmio.txt    |  30 ++++
 drivers/gpio/Kconfig                               |  14 ++
 drivers/gpio/Makefile                              |   1 +
 drivers/gpio/gpio-74xx-mmio.c                      | 170 +++++++++++++++++++++
 4 files changed, 215 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt
 create mode 100644 drivers/gpio/gpio-74xx-mmio.c

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1.8.5.5