diff options
| author | Alexander Clouter <alex@digriz.org.uk> | 2013-03-31 12:34:51 -0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-04-25 09:01:46 -0400 |
| commit | b149a30d87d165e1079163fdab6f14e48b2f57b2 (patch) | |
| tree | d6ced5787f9831ea9daa759bd600de59a4705a65 /Documentation/devicetree/bindings/hwrng/timeriomem_rng.txt | |
| parent | 1907da78bf6a3f74e5d030a4a4f6700ba0d0a234 (diff) | |
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/bindings/hwrng/timeriomem_rng.txt')
| -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 @@ | |||
| 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 | }; | ||