From: Rick Altherr Subject: [PATCH v1 1/2] dt-bindings: timeriomem_rng: Add entropy quality property Date: Wed, 17 May 2017 15:29:10 -0700 Message-ID: <20170517222911.9295-1-raltherr@google.com> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Herbert Xu , Mark Rutland , Matt Mackall To: linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-crypto.vger.kernel.org Signed-off-by: Rick Altherr --- 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: -- 2.13.0.303.g4ebf302169-goog -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html