Re: [PATCH 1/1] dt-bindings: net: snps,dwmac: Document queue config subnodes
From: Krzysztof Kozlowski
Date: Mon Oct 24 2022 - 18:40:35 EST
On 24/10/2022 14:53, Rob Herring wrote:
> 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...
Right.
Best regards,
Krzysztof