Re: [PATCH 1/9] ARM: dt: add header to define GPIO flags
From: Hiroshi Doyu <hidden>
Date: 2013-02-14 20:48:16
Also in:
linux-arm-kernel, linux-tegra
Stephen Warren [off-list ref] wrote @ Wed, 13 Feb 2013 22:33:10 +0100:
quoted hunk
From: Stephen Warren <redacted> Many GPIO device tree bindings use the same flags. Create a header to define those. Signed-off-by: Stephen Warren <redacted> --- arch/arm/boot/dts/gpio.h | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 arch/arm/boot/dts/gpio.hdiff --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?