[PATCH 1/3] Documentation: devicetree: add Freescale RNGC binding

[Steffen Trumtrar <s.trumtrar-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

Add binding documentation for the Freescale RNGC found on
some i.MX2/3/5 SoCs.

Signed-off-by: Steffen Trumtrar <s.trumtrar-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
---
 Documentation/devicetree/bindings/rng/mxc_rngc.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/mxc_rngc.txt

diff --git a/Documentation/devicetree/bindings/rng/mxc_rngc.txt b/Documentation/devicetree/bindings/rng/mxc_rngc.txt
new file mode 100644
index 000000000000..e147a6dde40a
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/mxc_rngc.txt
@@ -0,0 +1,16 @@
+Freescale RNGC (Random Number Generator Version C)
+
+Required properties:
+- compatible : Should be "fsl,imx25-rng"
+- reg : Offset and length of the register set of this block
+- interrupts : the interrupt number for the RNG block
+- clocks: should contain the RNG clk source
+
+Example:
+
+rng@53fb0000 {
+	compatible = "fsl,imx25-rng";
+	reg = <0x53fb0000 0x4000>;
+	interrupts = <22>;
+	clocks = <&clks 109>;
+};
-- 
2.7.0

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