Re: [PATCH v2 1/4] dt-bindings: net: Add MTIP L2 switch description

Lukasz Majewski
2025-03-30T06:38:08Z

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Hi Andrew,

> > + /* Both PHYs (i.e. 0,1) have the same,
> > single GPIO, */
> > + /* line to handle both, their interrupts
> > (AND'ed) */
>
> ORed, not ANDed.
>

Yes, correct.

> Often, the interrupt line has a weak pullup resistor, so by default it
> is high. Either PHY can then pull it low, using an open collector,
> which is HI-Z when not driving.

Yes, correct - this is how it works.

>
> Andrew

Best regards,

Lukasz Majewski

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