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Commit ed845d6b authored by Lokesh Vutla's avatar Lokesh Vutla Committed by Tony Lindgren
Browse files

ARM: dts: AM33xx: Add RNG node 



Add the AM33xx RNG module's device tree data.
Also add Documentation file describing the data
for the RNG module.

Signed-off-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent d4cbe80d

Documentation/devicetree/bindings/hwrng/omap_rng.txt

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OMAP SoC HWRNG Module



Required properties:



- compatible : Should contain entries for this and backward compatible

  RNG versions:

  - "ti,omap2-rng" for OMAP2.

  - "ti,omap4-rng" for OMAP4, OMAP5 and AM33XX.

  Note that these two versions are incompatible.

- ti,hwmods: Name of the hwmod associated with the RNG module

- reg : Offset and length of the register set for the module

- interrupts : the interrupt number for the RNG module.

		Only used for "ti,omap4-rng".



Example:

/* AM335x */

rng: rng@48310000 {

	compatible = "ti,omap4-rng";

	ti,hwmods = "rng";

	reg = <0x48310000 0x2000>;

	interrupts = <111>;

};

arch/arm/boot/dts/am33xx.dtsi

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@@ -779,5 +779,12 @@ 
				<&edma 11>;

			dma-names = "tx", "rx";

		};



		rng: rng@48310000 {

			compatible = "ti,omap4-rng";

			ti,hwmods = "rng";

			reg = <0x48310000 0x2000>;

			interrupts = <111>;

		};

	};

};