Re: [PATCH v6 2/2] dt-bindings: mips: brcm: add Broadcom SoCs bindings

["Rafał Miłecki" <zajec5@gmail.com>]

On 4.10.2022 07:09, Sergio Paracuellos wrote:
> Add the yaml binding for MIPS Broadcom cable/DSL/settop platforms.
> 
> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
> ---
>   .../devicetree/bindings/mips/brcm/soc.yaml    | 98 +++++++++++++++++++
>   1 file changed, 98 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/mips/brcm/soc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mips/brcm/soc.yaml b/Documentation/devicetree/bindings/mips/brcm/soc.yaml
> new file mode 100644
> index 000000000000..39b4609cd1cc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/brcm/soc.yaml
> @@ -0,0 +1,98 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mips/brcm/soc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom cable/DSL/settop platforms
> +
> +maintainers:
> +  - Hauke Mehrtens <hauke@hauke-m.de>
> +  - Rafał Miłecki <zajec5@gmail.com>
> +  - Florian Fainelli <f.fainelli@gmail.com>

The only MIPS SoCs I really worked on were BCM47xx. I didn't do any real
work on cable/DSL/STB.

I don't really feel up to like maintaining those SoCs.


> +
> +description: |
> +    Boards Broadcom cable/DSL/settop SoC shall have the following properties.
> +    The experimental -viper variants are for running Linux on the 3384's
> +    BMIPS4355 cable modem CPU instead of the BMIPS5000 application processor.
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +
> +  compatible:
> +    enum:
> +      - brcm,bcm3368
> +      - brcm,bcm3384
> +      - brcm,bcm33843
> +      - brcm,bcm3384-viper
> +      - brcm,bcm33843-viper
> +      - brcm,bcm6328
> +      - brcm,bcm6358
> +      - brcm,bcm6362
> +      - brcm,bcm6368
> +      - brcm,bcm63168
> +      - brcm,bcm63268
> +      - brcm,bcm7125
> +      - brcm,bcm7346
> +      - brcm,bcm7358
> +      - brcm,bcm7360
> +      - brcm,bcm7362
> +      - brcm,bcm7420
> +      - brcm,bcm7425
> +
> +  cpus:
> +    type: object
> +    additionalProperties: false
> +    properties:
> +      '#address-cells':
> +        const: 1
> +
> +      '#size-cells':
> +        const: 0
> +
> +      mips-hpt-frequency:
> +        description: MIPS counter high precision timer frequency.
> +         This is common to all CPUs in the system so it lives
> +         under the "cpus" node.
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +
> +    patternProperties:
> +      "^cpu@[0-9]$":
> +        type: object
> +        $ref: /schemas/mips/cpus.yaml#
> +        unevaluatedProperties: false
> +
> +    required:
> +      - mips-hpt-frequency
> +
> +additionalProperties: true
> +
> +examples:
> +  - |
> +     / {
> +         compatible = "brcm,bcm3368";
> +         #address-cells = <1>;
> +         #size-cells = <1>;
> +         model = "Broadcom 3368";
> +
> +         cpus {
> +           #address-cells = <1>;
> +           #size-cells = <0>;
> +
> +           mips-hpt-frequency = <150000000>;
> +
> +           cpu@0 {
> +             compatible = "brcm,bmips4350";
> +             device_type = "cpu";
> +             reg = <0>;
> +           };
> +
> +           cpu@1 {
> +             compatible = "brcm,bmips4350";
> +             device_type = "cpu";
> +             reg = <1>;
> +           };
> +         };
> +       };
> +...