Patchwork [2/9] ARM: dt: add header to define IRQ flags

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Submitter Stephen Warren
Date Feb. 13, 2013, 9:33 p.m.
Message ID <1360791198-29462-3-git-send-email-swarren@wwwdotorg.org>
Download mbox | patch
Permalink /patch/220255/
State Superseded, archived
Headers show

Comments

Stephen Warren - Feb. 13, 2013, 9:33 p.m.
From: Stephen Warren <swarren@nvidia.com>

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

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 arch/arm/boot/dts/irq.h |   14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 arch/arm/boot/dts/irq.h

Patch

diff --git a/arch/arm/boot/dts/irq.h b/arch/arm/boot/dts/irq.h
new file mode 100644
index 0000000..165d039
--- /dev/null
+++ b/arch/arm/boot/dts/irq.h
@@ -0,0 +1,14 @@ 
+/*
+ * 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.
+ */
+
+#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