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linux-next/Documentation/devicetree/bindings/rng/qcom,prng.txt
Stanimir Varbanov 2883229309 ARM: DT: msm: Add Qualcomm's PRNG driver binding document
This adds Qualcomm PRNG driver device tree binding documentation
to use as an example in dts trees.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-10-30 12:02:55 +08:00

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Qualcomm MSM pseudo random number generator.
Required properties:
- compatible : should be "qcom,prng"
- reg : specifies base physical address and size of the registers map
- clocks : phandle to clock-controller plus clock-specifier pair
- clock-names : "core" clocks all registers, FIFO and circuits in PRNG IP block
Example:
rng@f9bff000 {
compatible = "qcom,prng";
reg = <0xf9bff000 0x200>;
clocks = <&clock GCC_PRNG_AHB_CLK>;
clock-names = "core";
};