Messages in this thread | | | From | Harini Katakam <> | Date | Mon, 5 Aug 2019 20:06:51 +0530 | Subject | Re: [RFC PATCH 1/2] dt-bindings: net: macb: Add new property for PS SGMII only |
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Hi Andrew,
On Mon, Aug 5, 2019 at 7:00 PM Andrew Lunn <andrew@lunn.ch> wrote: > > On Mon, Aug 05, 2019 at 11:45:05AM +0530, Harini Katakam wrote: > > Hi Andrew, > > > > On Sun, Aug 4, 2019 at 8:26 PM Andrew Lunn <andrew@lunn.ch> wrote: > > > > > > On Wed, Jul 31, 2019 at 03:10:32PM +0530, Harini Katakam wrote: > > > > Add a new property to indicate when PS SGMII is used with NO > > > > external PHY on board. > > > > > > Hi Harini > > > > > > What exactly is you use case? Are you connecting to a Ethernet switch? > > > To an SFP cage with a copper module? > > > > Yes, an SFP cage is the common HW target for this patch. > > Hi Harini > > So you have a copper PHY in the SFP cage. It will talk SGMII > signalling to your PS SGMII. When that signalling is complete i would > expect the MAC to raise an interrupt, just as if the SGMII PHY was > soldered on the board. So i don't see why you need this polling? >
Thanks. Sorry, I overlooked this interrupt. Let me try that.
Regards, Harini
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