[PATCH 0/3] gpio/mcp23s08: add support for i2c variants

[Peter Korsgaard]

The Microchip mcp23xxx I/O expanders exists both in variants with SPI
(23S) and I2C (230) interfaces, with either 8 or 16 I/O pins.

Until now the mcp23s08 driver only worked with the SPI variant. Adjust
the driver to work with the I2C ones as well.

 drivers/gpio/Kconfig         |    7 +-
 drivers/gpio/mcp23s08.c      |  260 +++++++++++++++++++++++++++++++++++++-----
 include/linux/spi/mcp23s08.h |    4 +-
 3 files changed, 237 insertions(+), 34 deletions(-)

--
Bye, Peter Korsgaard
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