netdev - Re: [Intel-wired-lan] [PATCH net-next 01/12] dt-bindings: dpll: add common dpll-pin-consumer schema

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Message-ID: <a581a86d-d49c-4761-bd68-989a7a12cb56@redhat.com>
Date: Fri, 9 Jan 2026 11:22:03 +0100
From: Ivan Vecera <ivecera@...hat.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Eric Dumazet <edumazet@...gle.com>,
 Tony Nguyen <anthony.l.nguyen@...el.com>, Rob Herring <robh@...nel.org>,
 Leon Romanovsky <leon@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
 linux-rdma@...r.kernel.org, Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
 intel-wired-lan@...ts.osuosl.org, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, devicetree@...r.kernel.org,
 Conor Dooley <conor+dt@...nel.org>, Jiri Pirko <jiri@...nulli.us>,
 Richard Cochran <richardcochran@...il.com>,
 Prathosh Satish <Prathosh.Satish@...rochip.com>,
 Vadim Fedorenko <vadim.fedorenko@...ux.dev>, netdev@...r.kernel.org,
 Mark Bloch <mbloch@...dia.com>, linux-kernel@...r.kernel.org,
 Tariq Toukan <tariqt@...dia.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 Jonathan Lemon <jonathan.lemon@...il.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Saeed Mahameed
 <saeedm@...dia.com>, "David S. Miller" <davem@...emloft.net>
Subject: Re: [Intel-wired-lan] [PATCH net-next 01/12] dt-bindings: dpll: add
 common dpll-pin-consumer schema

On 1/9/26 10:48 AM, Krzysztof Kozlowski wrote:
> On Thu, Jan 08, 2026 at 07:23:07PM +0100, Ivan Vecera wrote:
>> Introduce a common schema for DPLL pin consumers. Devices such as Ethernet
>> controllers and PHYs may require connections to DPLL pins for Synchronous
>> Ethernet (SyncE) or other frequency synchronization tasks.
>>
>> Defining these properties in a shared schema ensures consistency across
>> different device types that consume DPLL resources.
>>
>> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
>> ---
>>   .../bindings/dpll/dpll-pin-consumer.yaml      | 30 +++++++++++++++++++
>>   MAINTAINERS                                   |  1 +
>>   2 files changed, 31 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/dpll/dpll-pin-consumer.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/dpll/dpll-pin-consumer.yaml b/Documentation/devicetree/bindings/dpll/dpll-pin-consumer.yaml
>> new file mode 100644
>> index 0000000000000..60c184c18318a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/dpll/dpll-pin-consumer.yaml
>> @@ -0,0 +1,30 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/dpll/dpll-pin-consumer.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: DPLL Pin Consumer
>> +
>> +maintainers:
>> +  - Ivan Vecera <ivecera@...hat.com>
>> +
> 
> You miss select. Without it this binding is no-op.

Will fix.

>> +description: |
> 
> Drop |

Will do.

>> +  Common properties for devices that require connection to DPLL (Digital Phase
>> +  Locked Loop) pins for frequency synchronization (e.g. SyncE).
>> +
>> +properties:
>> +  dpll-pins:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    description:
>> +      List of phandles to the DPLL pin nodes connected to this device.
>> +
>> +  dpll-pin-names:
>> +    $ref: /schemas/types.yaml#/definitions/string-array
>> +    description:
>> +      Names for the DPLL pins defined in 'dpll-pins', in the same order.
>> +
>> +dependencies:
>> +  dpll-pin-names: [ dpll-pins ]
> 
> Binding should go to dtschema. See also commit
> 3282a891060aace02e3eed4789739768060cea32 in dtschema or other examples
> how to add new provider/consumer properties.

Will do.

Thanks for advice...

Ivan