Re: [PATCH v3 1/2] dt-bindings: i2c: stm32f7: add st,smbus-alert binding for SMBus Alert

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Hi Wolfram,

On Tue, May 04, 2021 at 09:53:48PM +0200, Wolfram Sang wrote:
> 
> > +        st,smbus-alert:
> 
> After reading the specs again, I think we can make this a generic
> binding. SMBusAlert is optional. So, we can say it is not covered by the
> "smbus" binding and needs a seperate one. Makes sense?

Indeed, SMBus Spec [1] mentions about SMBALERT#:
An optional signal that a slave device can use to notify the system
master that it has information for the master

Hence it does make sense to separate it from the smbus binding. I will
post a v4 of this serie with the addition of a generic binding 'smbus-alert'.

Alain

[1] http://www.smbus.org/specs/SMBus_3_1_20180319.pdf




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