Re: [PATCH v2 05/19] dt-bindings: arm: microchip: move SparX-5 to generic Microchip binding

[Krzysztof Kozlowski]

On 15/12/2025 17:35, Robert Marko wrote:
> Now that we have a generic Microchip binding, lets move SparX-5 as well as
> there is no reason to have specific binding file for each SoC series.
> 
> The check for AXI node was dropped.

Why?

> 
> Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
> ---
>  .../bindings/arm/microchip,sparx5.yaml        | 67 -------------------
>  .../devicetree/bindings/arm/microchip.yaml    | 22 ++++++
>  2 files changed, 22 insertions(+), 67 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/microchip,sparx5.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml b/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml
> deleted file mode 100644
> index 9a0d54e9799c..000000000000
> --- a/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml
> +++ /dev/null
> @@ -1,67 +0,0 @@
> -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> -%YAML 1.2
> ----
> -$id: http://devicetree.org/schemas/arm/microchip,sparx5.yaml#
> -$schema: http://devicetree.org/meta-schemas/core.yaml#
> -
> -title: Microchip Sparx5 Boards
> -
> -maintainers:
> -  - Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx>
> -
> -description: |+
> -   The Microchip Sparx5 SoC is a ARMv8-based used in a family of
> -   gigabit TSN-capable gigabit switches.
> -
> -   The SparX-5 Ethernet switch family provides a rich set of switching
> -   features such as advanced TCAM-based VLAN and QoS processing
> -   enabling delivery of differentiated services, and security through
> -   TCAM-based frame processing using versatile content aware processor
> -   (VCAP)
> -
> -properties:
> -  $nodename:
> -    const: '/'
> -  compatible:
> -    oneOf:
> -      - description: The Sparx5 pcb125 board is a modular board,
> -          which has both spi-nor and eMMC storage. The modular design
> -          allows for connection of different network ports.
> -        items:
> -          - const: microchip,sparx5-pcb125
> -          - const: microchip,sparx5
> -
> -      - description: The Sparx5 pcb134 is a pizzabox form factor
> -          gigabit switch with 20 SFP ports. It features spi-nor and
> -          either spi-nand or eMMC storage (mount option).
> -        items:
> -          - const: microchip,sparx5-pcb134
> -          - const: microchip,sparx5
> -
> -      - description: The Sparx5 pcb135 is a pizzabox form factor
> -          gigabit switch with 48+4 Cu ports. It features spi-nor and
> -          either spi-nand or eMMC storage (mount option).
> -        items:
> -          - const: microchip,sparx5-pcb135
> -          - const: microchip,sparx5
> -
> -  axi@600000000:
> -    type: object
> -    description: the root node in the Sparx5 platforms must contain
> -      an axi bus child node. They are always at physical address
> -      0x600000000 in all the Sparx5 variants.
> -    properties:
> -      compatible:
> -        items:
> -          - const: simple-bus
> -
> -    required:
> -      - compatible
> -
> -required:
> -  - compatible
> -  - axi@600000000

Nothing explains the rationale for doing this.

Best regards,
Krzysztof