[PATCH v2 0/5] Add Intel LJCA device driver

[Ye Xiang <xiang.ye@xxxxxxxxx>]

Add driver for Intel La Jolla Cove Adapter (LJCA) device.
This is a USB-GPIO, USB-I2C and USB-SPI device. We add 4
drivers to support this device: a USB driver, a GPIO chip
driver, a I2C controller driver and a SPI controller driver.

---
v2:
 - ljca: remove reset command.
 - gpio/spi/i2c: add `default MFD_LJCA` in Kconfig.
 - gpio: add "select GPIOLIB_IRQCHIP" in Kconfig.

Ye Xiang (5):
  mfd: Add support for Intel LJCA device
  gpio: Add support for Intel LJCA USB GPIO driver
  i2c: Add support for Intel LJCA USB I2C driver
  spi: Add support for Intel LJCA USB SPI driver
  Documentation: Add ABI doc for attributes of LJCA device

 .../ABI/testing/sysfs-bus-usb-devices-ljca    |  22 +
 drivers/gpio/Kconfig                          |  12 +
 drivers/gpio/Makefile                         |   1 +
 drivers/gpio/gpio-ljca.c                      | 454 ++++++++
 drivers/i2c/busses/Kconfig                    |  11 +
 drivers/i2c/busses/Makefile                   |   1 +
 drivers/i2c/busses/i2c-ljca.c                 | 357 +++++++
 drivers/mfd/Kconfig                           |  13 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/ljca.c                            | 969 ++++++++++++++++++
 drivers/spi/Kconfig                           |  11 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-ljca.c                        | 291 ++++++
 include/linux/mfd/ljca.h                      |  95 ++
 14 files changed, 2239 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-devices-ljca
 create mode 100644 drivers/gpio/gpio-ljca.c
 create mode 100644 drivers/i2c/busses/i2c-ljca.c
 create mode 100644 drivers/mfd/ljca.c
 create mode 100644 drivers/spi/spi-ljca.c
 create mode 100644 include/linux/mfd/ljca.h

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2.34.1