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ARM: dt: add header to define GPIO flags 

Many GPIO device tree bindings use the same flags. Create a header to
define those.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Stephen Warren 2013-02-12 17:22:36 -07:00
parent b40b25fff8
commit 71fab21fee
1 changed files with 15 additions and 0 deletions
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15
include/dt-bindings/gpio/gpio.h Normal file
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/*
* This header provides constants for most GPIO bindings.
*
* Most GPIO bindings include a flags cell as part of the GPIO specifier.
* In most cases, the format of the flags cell uses the standard values
* defined in this header.
*/
#ifndef _DT_BINDINGS_GPIO_GPIO_H
#define _DT_BINDINGS_GPIO_GPIO_H
#define GPIO_ACTIVE_HIGH 0
#define GPIO_ACTIVE_LOW 1
#endif