提交 b14c5345 编写于 作者: R Rick Altherr 提交者: Herbert Xu

dt-bindings: timeriomem_rng: Add entropy quality property

Signed-off-by: NRick Altherr <raltherr@google.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
上级 2a9faf8b
......@@ -5,6 +5,13 @@ Required properties:
- reg : base address to sample from
- period : wait time in microseconds to use between samples
Optional properties:
- quality : estimated number of bits of true entropy per 1024 bits read from the
rng. Defaults to zero which causes the kernel's default quality to
be used instead. Note that the default quality is usually zero
which disables using this rng to automatically fill the kernel's
entropy pool.
N.B. currently 'reg' must be four bytes wide and aligned
Example:
......
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