gpio: mcp23s08 to support both device tree and platform data

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Device tree is not enabled in some architecture where gpio
driver mcp23s08 is still required.

v2-changes:
- Parse device tree properties into platform data other than
  individual variables.
v3-changes:
- Use of_node in gpio_chip device structure, because the
  struct device * always has an of_node which is NULL when
  OF is not used.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

...

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Sonic Zhang 2014-09-01 11:19:52 +08:00 • committed by Linus Walleij

parent 59e22114b2

commit 3af0dbd592

3 changed files with 52 additions and 31 deletions

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18

include/linux/spi/mcp23s08.h

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