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

[Lukasz Majewski]

Hi Andrew,

> > +                ethphy0: ethernet-phy@0 {
> > +                        reg = <0>;
> > +                        smsc,disable-energy-detect;
> > +                        /* Both PHYs (i.e. 0,1) have the same,
> > single GPIO, */
> > +                        /* line to handle both, their interrupts
> > (AND'ed) */
> > +                        interrupt-parent = <&gpio4>;
> > +                        interrupts = <13 IRQ_TYPE_EDGE_FALLING>;  
> 
> Shared interrupts cannot be edge. They are level, so that either can
> hold the interrupt active until it is cleared.
> 
> Also, PHY interrupts in general are level, because there are multiple
> interrupt sources within the PHY, and you need to clear them all
> before the interrupt is released.

Good point, I will update it accordingly. Thanks.

> 
> 	Andrew




Best regards,

Lukasz Majewski

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