pinctrl: pxa: pxa2xx: add pin configuration support

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Add pin configuration for pxa2xx architectures. PXA doesn't provide any
bias, push, pull capabilities. The only capability is to set a state for
the pins when the platform enter sleep or deep sleep mode.

The state of a pin is set by :
 - whether the GPIO direction was input or output
 - if it is output, a register set programs whether the pin should be
   held to ground or VccIO

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Robert Jarzmik 2015-11-21 19:04:51 +01:00 • committed by Linus Walleij

parent d530ef9b88

commit aedf08b664

1 changed files with 63 additions and 0 deletions

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drivers/pinctrl/pxa/pinctrl-pxa2xx.c

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