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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-11-13 17:10:13 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-11-13 17:10:13 -0800
commitc25141062a82ae8bddced1b3ce2b57a1c0efabe0 (patch)
tree105edf10059bc0c4f2f00338b0c861b813d1bb1a /Documentation/devicetree/bindings/rng/timeriomem_rng.txt
parent26dd633e437dca218547ccbeacc71fe8a620b6f6 (diff)
parentc1b433e04ef9c0a1c4d65bfe918472ffa334dff4 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 4.15 merge window.
Diffstat (limited to 'Documentation/devicetree/bindings/rng/timeriomem_rng.txt')
-rw-r--r--Documentation/devicetree/bindings/rng/timeriomem_rng.txt7
1 files changed, 7 insertions, 0 deletions
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: