spi: atmel: adopt pinctrl support

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Amend the spi atmel pin controller to optionally take a pin control
handle and set the state of the pins to:

- "default" on boot, resume and before performing an spitransfer
- "sleep" on suspend()

This should make it possible to optimize energy usage for the pins
both for the suspend/resume cycle

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

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Wenyou Yang 2014-03-05 09:58:49 +08:00 • committed by Mark Brown

parent ad6f33d22c

commit 5bdfd491a0

1 changed files with 9 additions and 0 deletions

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drivers/spi/spi-atmel.c

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