Re: [PATCH v4 3/4] dt-bindings: phy: Add support for QMP phy

From: Bjorn Andersson
Date: Wed Jan 18 2017 - 13:22:33 EST


On Tue 17 Jan 22:54 PST 2017, Vivek Gautam wrote:
> On 01/16/2017 02:19 PM, Kishon Vijay Abraham I wrote:
> > On Tuesday 10 January 2017 04:21 PM, Vivek Gautam wrote:
[..]
> > > + reset-names = "phy", "common", "cfg",
> > > + "lane0", "lane1", "lane2";
> > Each lane has a separate clock, separate reset.. why not create sub-nodes for
> > each lane?
>
> Yes, each lane has separate pipe clock and resets.
> I can have a binding such as written below.

+1

> Does it makes sense to pull in the tx, rx and pcs offsets as well
> to the child node, and iomap the entire address space of the phy ?
>

Note that you don't have to follow the same structure in your device
driver as you describe your hardware in devicetree.

I would suggest that you replace the lane-offset and various lane
specific resources with subnodes, but keep the driver "as is".

Regards,
Bjorn