[PATCH v2 06/15] dt: binding: add binding for ImgTec IR block

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Add device tree binding for ImgTec Consumer Infrared block, specifically
major revision 1 of the hardware.

Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: Rob Landley <rob@xxxxxxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx>
---
v2:
- Future proof compatible string from "img,ir" to "img,ir1", where the 1
  corresponds to the major revision number of the hardware (Tomasz
  Figa).
- Added clock-names property and three specific clock names described in
  the manual, only one of which is used by the current driver (Tomasz
  Figa).
---
 .../devicetree/bindings/media/img-ir1.txt          | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/img-ir1.txt

diff --git a/Documentation/devicetree/bindings/media/img-ir1.txt b/Documentation/devicetree/bindings/media/img-ir1.txt
new file mode 100644
index 0000000..ace5fd9
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/img-ir1.txt
@@ -0,0 +1,30 @@
+* ImgTec Infrared (IR) decoder version 1
+
+This binding is for Imagination Technologies' Infrared decoder block,
+specifically major revision 1.
+
+Required properties:
+- compatible:		Should be "img,ir1"
+- reg:			Physical base address of the controller and length of
+			memory mapped region.
+- interrupts:		The interrupt specifier to the cpu.
+
+Optional properties:
+- clocks:		List of clock specifiers as described in standard
+			clock bindings.
+- clock-names:		List of clock names corresponding to the clocks
+			specified in the clocks property.
+			Accepted clock names are:
+			"core":	Core clock (defaults to 32.768KHz if omitted).
+			"sys":	System side (fast) clock.
+			"mod":	Power modulation clock.
+
+Example:
+
+	ir@02006200 {
+		compatible = "img,ir1";
+		reg = <0x02006200 0x100>;
+		interrupts = <29 4>;
+		clocks = <&clk_32khz>;
+		clock-names =  "core";
+	};
-- 
1.8.3.2


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