Messages in this thread | | | Date | Mon, 29 Nov 2021 13:49:05 +0100 | From | Wolfram Sang <> | Subject | Re: [PATCH v7 6/7] i2c: mediatek: Isolate speed setting via dts for special devices |
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> > stretching. But if the slave device stretch the SCL line for too long > > time, our design still cannot make tSU,STA/tHD,STA/tSU,STO meet spec. > > Isn't the new algorithm broken if it cannot support clock stretching? > What was the problem of the old algorithm not meeting the spec? > > > However in the old (default) timing algorithm before the commit > > be5ce0e97cc7 ("i2c: mediatek: Add i2c ac-timing adjust support"), > > tSU,STA/tHD,STA/tSU,STO can meet spec. So we want to define a new > > setting "default-adjust-timing" for using the old (default) timing > > algorithm." > > What I still do not get: the old algorithm was able to handle clock > stretching. Why can't you update the new one to handle clock stretching > as well. I might be missing something, but what is it?
I am still interested. Especially in the last question. Is the last question clear to you? I can explain some more otherwise.
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