Stephen Warren <[email protected]> wrote @ Wed, 13 Feb 2013 22:33:10 +0100:
> From: Stephen Warren <[email protected]> > > Many GPIO device tree bindings use the same flags. Create a header to > define those. > > Signed-off-by: Stephen Warren <[email protected]> > --- > arch/arm/boot/dts/gpio.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > create mode 100644 arch/arm/boot/dts/gpio.h > > diff --git a/arch/arm/boot/dts/gpio.h b/arch/arm/boot/dts/gpio.h > new file mode 100644 > index 0000000..4c9da69 > --- /dev/null > +++ b/arch/arm/boot/dts/gpio.h > @@ -0,0 +1,10 @@ > +/* > + * 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. > + */ #ifdef _DTS_GPIO_H #define _DTS_GPIO_H > + > +#define GPIO_ACTIVE_HIGH 0 > +#define GPIO_ACTIVE_LOW 1 #endif /* _DTS_GPIO_H */ To avoid multple inclusion problems, do we want the above ifdef/define/endif for other DT header files as well? _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
