netdev - Re: [PATCH v1 8/8] dt-bindings: net: dsa: Add documentation for Hellcreek switches

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Date:   Sat, 11 Jul 2020 13:18:54 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Kurt Kanzenbach <kurt@...utronix.de>, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Richard Cochran <richardcochran@...il.com>,
        Kamil Alkhouri <kamil.alkhouri@...offenburg.de>,
        ilias.apalodimas@...aro.org, Vladimir Oltean <olteanv@...il.com>
Subject: Re: [PATCH v1 8/8] dt-bindings: net: dsa: Add documentation for
 Hellcreek switches



On 7/10/2020 4:36 AM, Kurt Kanzenbach wrote:
> Add basic documentation and example.
> 
> Signed-off-by: Kurt Kanzenbach <kurt@...utronix.de>
> ---
>  .../bindings/net/dsa/hellcreek.yaml           | 132 ++++++++++++++++++
>  1 file changed, 132 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/dsa/hellcreek.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/hellcreek.yaml b/Documentation/devicetree/bindings/net/dsa/hellcreek.yaml
> new file mode 100644
> index 000000000000..bb8ccc1762c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/hellcreek.yaml
> @@ -0,0 +1,132 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/dsa/hellcreek.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Hirschmann Hellcreek TSN Switch Device Tree Bindings
> +
> +allOf:
> +  - $ref: dsa.yaml#
> +
> +maintainers:
> +  - Andrew Lunn <andrew@...n.ch>
> +  - Florian Fainelli <f.fainelli@...il.com>
> +  - Vivien Didelot <vivien.didelot@...il.com>

Don't you want to add yourself here as well?

> +
> +description:
> +  The Hellcreek TSN Switch IP is a 802.1Q Ethernet compliant switch. It supports
> +  the Pricision Time Protocol, Hardware Timestamping as well the Time Aware
> +  Shaper.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: hirschmann,hellcreek
> +
> +  reg:
> +    description:
> +      The physical base address and size of TSN and PTP memory base

You need to indicate how many of these cells are required.

> +
> +  reg-names:
> +    description:
> +      Names of the physical base addresses

Likewise.

> +
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 1

Humm, not sure about those, you do not expose a memory mapped interface
bus from this switch to another sub node.

> +
> +  leds:
> +    type: object
> +    properties:
> +      '#address-cells':
> +        const: 1
> +      '#size-cells':
> +        const: 0
> +
> +    patternProperties:
> +      "^led@[0-9]+$":
> +          type: object
> +          description: Hellcreek leds
> +
> +          properties:
> +            reg:
> +              items:
> +                - enum: [0, 1]
> +              description: Led number
> +
> +            label:
> +              description: Label associated with this led
> +              $ref: /schemas/types.yaml#/definitions/string
> +
> +            default-state:
> +              items:
> +                enum: ["on", "off", "keep"]
> +              description: Default state for the led
> +              $ref: /schemas/types.yaml#/definitions/string
> +
> +          required:
> +            - reg

Can you reference an existing LED binding by any chance?
-- 
Florian