[PATCH v2 1/4] dt-bindings: net: Add MTIP L2 switch description
Lukasz Majewski
lukma at denx.de
Sat Mar 29 23:38:03 PDT 2025
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
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 488 bytes
Desc: OpenPGP digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20250330/b80c4c1e/attachment.sig>
More information about the linux-arm-kernel
mailing list