Re: [PATCH v3] dt-bindings: pinctrl: Convert Amlogic Meson pinctrl binding

[Rob Herring <robh@kernel.org>]

On Mon, Jan 30, 2023 at 10:00:24PM +0100, Heiner Kallweit wrote:
> Convert Amlogic Meson pinctrl binding to yaml.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
> v2:
> - consider that more than one compatible can be set
> - remove bus part from example
> v3:
> - remove minItem/maxItem properties for compatible
> ---
>  .../pinctrl/amlogic,meson-pinctrl.yaml        | 122 ++++++++++++++++++
>  .../bindings/pinctrl/meson,pinctrl.txt        |  94 --------------
>  2 files changed, 122 insertions(+), 94 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
>  delete mode 100644 Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
> new file mode 100644
> index 000000000..7aaae606b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
> @@ -0,0 +1,122 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/amlogic,meson-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Meson pinmux controller
> +
> +maintainers:
> +  - Neil Armstrong <neil.armstrong@linaro.org>
> +
> +allOf:
> +  - $ref: pinctrl.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - amlogic,meson8-cbus-pinctrl
> +              - amlogic,meson8b-cbus-pinctrl
> +              - amlogic,meson8m2-cbus-pinctrl
> +              - amlogic,meson8-aobus-pinctrl
> +              - amlogic,meson8b-aobus-pinctrl
> +              - amlogic,meson8m2-aobus-pinctrl
> +              - amlogic,meson-gxbb-periphs-pinctrl
> +              - amlogic,meson-gxbb-aobus-pinctrl
> +              - amlogic,meson-gxl-periphs-pinctrl
> +              - amlogic,meson-gxl-aobus-pinctrl
> +              - amlogic,meson-axg-periphs-pinctrl
> +              - amlogic,meson-axg-aobus-pinctrl
> +              - amlogic,meson-g12a-periphs-pinctrl
> +              - amlogic,meson-g12a-aobus-pinctrl
> +              - amlogic,meson-a1-periphs-pinctrl
> +              - amlogic,meson-s4-periphs-pinctrl
> +      - items:
> +          - const: amlogic,meson8m2-aobus-pinctrl
> +          - const: amlogic,meson8-aobus-pinctrl
> +      - items:
> +          - const: amlogic,meson8m2-cbus-pinctrl
> +          - const: amlogic,meson8-cbus-pinctrl

Again, can't have both with and without the fallback allowed.

> +
> +  ranges: true
> +
> +  "#address-cells":
> +    enum: [1, 2]
> +
> +  "#size-cells":
> +    enum: [1, 2]
> +
> +required:
> +  - compatible
> +  - ranges
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties:
> +  anyOf:

Don't need anyOf.

> +    - type: object
> +      allOf:
> +        - $ref: pincfg-node.yaml#
> +        - $ref: pinmux-node.yaml#
> +
> +patternProperties:
> +  "^bank@[0-9]$":

Unit addresses are hex.

> +    type: object
> +    properties:
> +      reg:
> +        minItems: 5
> +        maxItems: 5
> +
> +      reg-names:
> +        items:
> +          - const: gpio
> +          - const: pull
> +          - const: pull-enable
> +          - const: mux
> +          - const: ds
> +
> +      gpio-controller: true
> +
> +      "#gpio-cells":
> +        const: 2
> +
> +      gpio-ranges:
> +        $ref: /schemas/types.yaml#/definitions/phandle

Wrong type and gpio-ranges already has a type.

> +
> +    required:
> +      - reg
> +      - reg-names
> +      - gpio-controller
> +      - "#gpio-cells"
> +      - gpio-ranges
> +
> +examples:
> +  - |
> +    pinctrl {
> +      compatible = "amlogic,meson-g12a-periphs-pinctrl";
> +      #address-cells = <1>;
> +      #size-cells = <1>;
> +      ranges;
> +
> +      bank@40 {
> +        reg = <0x0 0x40  0x0 0x4c>,
> +              <0x0 0xe8  0x0 0x18>,
> +              <0x0 0x120 0x0 0x18>,
> +              <0x0 0x2c0 0x0 0x40>,
> +              <0x0 0x340 0x0 0x1c>;
> +        reg-names = "gpio", "pull", "pull-enable", "mux", "ds";
> +        gpio-controller;
> +        #gpio-cells = <2>;
> +        gpio-ranges = <&periphs_pinctrl 0 0 86>;
> +      };
> +
> +      cec_ao_a_h_pins: cec_ao_a_h {
> +        mux {
> +          groups = "cec_ao_a_h";
> +          function = "cec_ao_a_h";
> +          bias-disable;
> +        };
> +      };
> +    };