linux-kernel - [PATCH V2 5/7] ARM: dt: add header to define GPIO flags

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Date:	Wed,  3 Apr 2013 17:34:56 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Michal Marek <mmarek@...e.cz>, Grant Likely <glikely@...retlab.ca>,
	Rob Herring <robherring2@...il.com>
Cc:	arm@...nel.org, Shawn Guo <shawn.guo@...aro.org>,
	Hiroshi Doyu <hdoyu@...dia.com>, linux-kbuild@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Stephen Warren <swarren@...dia.com>
Subject: [PATCH V2 5/7] ARM: dt: add header to define GPIO flags

From: Stephen Warren <swarren@...dia.com>

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

Signed-off-by: Stephen Warren <swarren@...dia.com>
---
v2: No change.
v1: Moved header. Added include guard.
    (this patch was previously posted separately, hence there are
    changes in v1!)
---
 include/dt-bindings/gpio/gpio.h |   15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 include/dt-bindings/gpio/gpio.h

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
-- 
1.7.10.4

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