From b14c53451719dc6ec8e6387e5be3be23294a6f1d Mon Sep 17 00:00:00 2001 From: Rick Altherr Date: Mon, 22 May 2017 14:12:23 -0700 Subject: [PATCH] dt-bindings: timeriomem_rng: Add entropy quality property Signed-off-by: Rick Altherr Signed-off-by: Herbert Xu --- Documentation/devicetree/bindings/rng/timeriomem_rng.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/rng/timeriomem_rng.txt b/Documentation/devicetree/bindings/rng/timeriomem_rng.txt index 6616d15866a3..214940093b55 100644 --- a/Documentation/devicetree/bindings/rng/timeriomem_rng.txt +++ b/Documentation/devicetree/bindings/rng/timeriomem_rng.txt @@ -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: