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[5/7] ARM: dt: add header to define GPIO flags

Message ID 1362594183-21523-5-git-send-email-swarren@wwwdotorg.org (mailing list archive)
State New, archived
Headers show

Commit Message

Stephen Warren March 6, 2013, 6:23 p.m. UTC 
From: Stephen Warren <swarren@nvidia.com>

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

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
v2: Moved header. Added include guard.
---
 include/dt-bindings/gpio/gpio.h |   15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 include/dt-bindings/gpio/gpio.h
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Patch

diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
new file mode 100644
index 0000000..e6b1e0a
--- /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