Commit fad5972a authored by Wolfram Sang's avatar Wolfram Sang Committed by Wolfram Sang
Browse files

i2c: add 'single-master' property to generic bindings 



It is useful to know if we are the only master on a given bus. Because
this is a HW description of the bus, add it to the generic bindings.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent fcb82a93

Documentation/devicetree/bindings/i2c/i2c.txt

+6 −1
Original line number Diff line number Diff line
@@ -70,7 +70,12 @@ wants to support one of the below features, it should adapt these bindings. 
- multi-master

	states that there is another master active on this bus. The OS can use

	this information to adapt power management to keep the arbitration awake

	all the time, for example.

	all the time, for example. Can not be combined with 'single-master'.



- single-master

	states that there is no other master active on this bus. The OS can use

	this information to detect a stalled bus more reliably, for example.

	Can not be combined with 'multi-master'.



Required properties (per child device)

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