[PATCH 1/9] ARM: dt: add header to define GPIO flags

[Stephen Warren]

From: Stephen Warren <swarren at nvidia.com>

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

Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
 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.
+ */
+
+#define GPIO_ACTIVE_HIGH 0
+#define GPIO_ACTIVE_LOW 1
-- 
1.7.10.4