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authorStephen Warren <swarren@nvidia.com>2013-02-13 12:50:11 -0700
committerStephen Warren <swarren@nvidia.com>2013-04-05 12:23:19 -0600
commit840ef8b7cc584a23c4f9d05352f4dbaf8e56e5ab (patch)
tree2086135eb8ced7d1a87b294c5f13b449886634f4 /include/dt-bindings
parent71fab21fee07fd6d5f1a984db387cc5e4596f3fa (diff)
downloadvexpress-lsk-840ef8b7cc584a23c4f9d05352f4dbaf8e56e5ab.tar.gz
ARM: dt: add header to define IRQ flags
Many IRQ device tree bindings use the same flags. Create a header to define those. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/interrupt-controller/irq.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/dt-bindings/interrupt-controller/irq.h b/include/dt-bindings/interrupt-controller/irq.h
new file mode 100644
index 00000000000..33a1003c55a
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/irq.h
@@ -0,0 +1,19 @@
+/*
+ * This header provides constants for most IRQ bindings.
+ *
+ * Most IRQ bindings include a flags cell as part of the IRQ specifier.
+ * In most cases, the format of the flags cell uses the standard values
+ * defined in this header.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+
+#define IRQ_TYPE_NONE 0
+#define IRQ_TYPE_EDGE_RISING 1
+#define IRQ_TYPE_EDGE_FALLING 2
+#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH 4
+#define IRQ_TYPE_LEVEL_LOW 8
+
+#endif