Re: [PATCH 1/1] dt-bindings: net: snps,dwmac: Document queue config subnodes

From: Rob Herring
Date: Mon Oct 24 2022 - 16:46:45 EST


On Sat, Oct 22, 2022 at 12:05:15PM -0400, Krzysztof Kozlowski wrote:
> On 21/10/2022 13:10, Sebastian Reichel wrote:
> > The queue configuration is referenced by snps,mtl-rx-config and
> > snps,mtl-tx-config. Most in-tree DTs put the referenced object
> > as child node of the dwmac node.
> >
> > This adds proper description for this setup, which has the
> > advantage of properly making sure only known properties are
> > used.
> >
> > Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/net/snps,dwmac.yaml | 154 ++++++++++++------
> > 1 file changed, 108 insertions(+), 46 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> > index 13b984076af5..0bf6112cec2f 100644
> > --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> > +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> > @@ -167,56 +167,118 @@ properties:
> > snps,mtl-rx-config:
> > $ref: /schemas/types.yaml#/definitions/phandle
> > description:
> > - Multiple RX Queues parameters. Phandle to a node that can
> > - contain the following properties
> > - * snps,rx-queues-to-use, number of RX queues to be used in the
> > - driver
> > - * Choose one of these RX scheduling algorithms
> > - * snps,rx-sched-sp, Strict priority
> > - * snps,rx-sched-wsp, Weighted Strict priority
> > - * For each RX queue
> > - * Choose one of these modes
> > - * snps,dcb-algorithm, Queue to be enabled as DCB
> > - * snps,avb-algorithm, Queue to be enabled as AVB
> > - * snps,map-to-dma-channel, Channel to map
> > - * Specifiy specific packet routing
> > - * snps,route-avcp, AV Untagged Control packets
> > - * snps,route-ptp, PTP Packets
> > - * snps,route-dcbcp, DCB Control Packets
> > - * snps,route-up, Untagged Packets
> > - * snps,route-multi-broad, Multicast & Broadcast Packets
> > - * snps,priority, bitmask of the tagged frames priorities assigned to
> > - the queue
> > + Multiple RX Queues parameters. Phandle to a node that
> > + implements the 'rx-queues-config' object described in
> > + this binding.
> > +
> > + rx-queues-config:
>
> If this field is specific to this device, then you need vendor prefix:
> snps,rq-queues-config

Not for a node name...

Rob