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Subject[PATCH RFC 0/1] Convert mcp23s08 to DT usage
From: Lars Poeschel <>

I wanted to use mcp23s08 driver with a device that boots using device tree.
Therefore I had to modify the driver to be able to take it's platform_data
from the device tree.
I am using a mcp23017 (I2C) device successfully with the patch booted over
device tree. I am not sure if I did this right and I am not able to test the
SPI part of the driver, so I am requesting for comments.

Thank you,

Lars Poeschel (1):
gpio: mcp23s08: convert driver to DT

.../devicetree/bindings/gpio/gpio-mcp23s08.txt | 27 ++++++
drivers/gpio/gpio-mcp23s08.c | 93 +++++++++++++++++++-
include/linux/spi/mcp23s08.h | 1 +
3 files changed, 117 insertions(+), 4 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt


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