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| author | Alexander Clouter <alex@digriz.org.uk> | 2013-03-31 20:34:51 +0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-04-25 17:01:46 +0400 |
| commit | b149a30d87d165e1079163fdab6f14e48b2f57b2 (patch) | |
| tree | d6ced5787f9831ea9daa759bd600de59a4705a65 /Documentation/devicetree | |
| parent | 1907da78bf6a3f74e5d030a4a4f6700ba0d0a234 (diff) | |
| download | linux-b149a30d87d165e1079163fdab6f14e48b2f57b2.tar.xz | |
hwrng: timeriomem - added devicetree hooks
This patch allows timeriomem_rng to be used via devicetree.
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/hwrng/timeriomem_rng.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwrng/timeriomem_rng.txt b/Documentation/devicetree/bindings/hwrng/timeriomem_rng.txt new file mode 100644 index 000000000000..6616d15866a3 --- /dev/null +++ b/Documentation/devicetree/bindings/hwrng/timeriomem_rng.txt @@ -0,0 +1,18 @@ +HWRNG support for the timeriomem_rng driver + +Required properties: +- compatible : "timeriomem_rng" +- reg : base address to sample from +- period : wait time in microseconds to use between samples + +N.B. currently 'reg' must be four bytes wide and aligned + +Example: + +hwrng@44 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "timeriomem_rng"; + reg = <0x44 0x04>; + period = <1000000>; +}; |