Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0c739738 authored by Wolfram Sang's avatar Wolfram Sang Committed by Wolfram Sang
Browse files

i2c: document binding for multi-master case 



We need this binding because some I2C master drivers will need to adapt
their PM settings for the arbitration circuitry.

Acked-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent c20821a7

Documentation/devicetree/bindings/i2c/i2c.txt

+5 −0
Original line number Diff line number Diff line
@@ -54,6 +54,11 @@ wants to support one of the below features, it should adapt the bindings below. 
	"irq" and "wakeup" names are recognized by I2C core, other names are

	left to individual drivers.



- 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.



- wakeup-source

	device can be used as a wakeup source.