ons 2013-06-12 klockan 10:07 +0200 skrev Maxime Ripard:
> + i2c0_pins_a: i2c0@0 {
> + allwinner,pins = "PB0", "PB1";
> + allwinner,function = "i2c0";
> + allwinner,drive = <0>;
> + allwinner,pull = <0>;
Is this right? All other use pull = 1.
I guess it's board dependent depending on if there is external pullups
or not on the i2c bus. I have seen Allwinner designs both with and
without external pullups.
It will not work well if there is neither internal or external pullup.
And may stress the i2c components a bit if there is both..
Regards
Henrik
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