diff options
| author | Stephen Warren <swarren@nvidia.com> | 2013-02-13 04:22:36 +0400 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2013-04-05 22:23:14 +0400 |
| commit | 71fab21fee07fd6d5f1a984db387cc5e4596f3fa (patch) | |
| tree | 1c8a05c4eb2799b05498002002ef0a9590c08bf4 /include/dt-bindings/gpio | |
| parent | b40b25fff8205dd18124d8fc87b2c9c57f269b5f (diff) | |
| download | linux-71fab21fee07fd6d5f1a984db387cc5e4596f3fa.tar.xz | |
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>
Diffstat (limited to 'include/dt-bindings/gpio')
| -rw-r--r-- | include/dt-bindings/gpio/gpio.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h new file mode 100644 index 000000000000..e6b1e0a808ae --- /dev/null +++ b/include/dt-bindings/gpio/gpio.h @@ -0,0 +1,15 @@ +/* + * 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 |