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bindings: mfd: cros ec: Document vbc EC property 

Some EC implementations include a small nvram space used to store
verified boot context data. This boolean property lets us indicate
whether this space is available or not on a specific EC implementation.

Signed-off-by: Emilio López <emilio.lopez@collabora.co.uk>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
hifive-unleashed-5.1
Emilio López 2015-09-21 10:38:21 -03:00 committed by Lee Jones
parent 3dab794f50
commit 5b855ff3f7
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/mfd/cros-ec.txt
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@ -34,6 +34,10 @@ Required properties (LPC):
- compatible: "google,cros-ec-lpc"
- reg: List of (IO address, size) pairs defining the interface uses
Optional properties (all):
- google,has-vbc-nvram: Some implementations of the EC include a small
nvram space used to store verified boot context data. This boolean flag
is used to specify whether this nvram is present or not.
Example for I2C: