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[~andy/linux] / Documentation / devicetree / bindings / hwrng / timeriomem_rng.txt
1 HWRNG support for the timeriomem_rng driver
2
3 Required properties:
4 - compatible : "timeriomem_rng"
5 - reg : base address to sample from
6 - period : wait time in microseconds to use between samples
7
8 N.B. currently 'reg' must be four bytes wide and aligned
9
10 Example:
11
12 hwrng@44 {
13         #address-cells = <1>;
14         #size-cells = <1>;
15         compatible = "timeriomem_rng";
16         reg = <0x44 0x04>;
17         period = <1000000>;
18 };