Re: [PATCH v3 2/4] dt-bindings: i3c: Describe Silvaco master binding

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On Mon, Dec 28, 2020 at 05:11:05PM +0100, Miquel Raynal wrote:
> Silvaco provide a dual-role I3C master.
> 
> Description is rather simple: it needs a register mapping, three
> clocks and an interrupt.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> ---
>  .../bindings/i3c/silvaco,i3c-master.yaml      | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> 
> diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> new file mode 100644
> index 000000000000..509de48455b0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i3c/silvaco,i3c-master.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Silvaco I3C master
> +
> +maintainers:
> +  - Conor Culhane <conor.culhane@xxxxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: silvaco,i3c-master

Kind of generic. Only 1 version?

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: pclk, the system clock
> +      - description: fast_clk, for the bus
> +      - description: slow_clk, for other events

The names of the clocks go...

> +
> +  clock-names:
> +    minItems: 3
> +    maxItems: 3

here.

> +
> +  resets:
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0

This 2 should be defined by a bus binding. Care to convert i3c.txt?

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clock-names
> +  - clocks
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false

No, don't you need child nodes?

> +
> +examples:
> +  - |
> +    i3c-master@a0000000 {
> +        compatible = "silvaco,i3c-master";
> +        clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>;
> +        clock-names = "pclk", "fast_clk", "slow_clk";
> +        interrupt-parent = <&gic>;
> +        interrupts = <0 89 4>;
> +        reg = <0xa0000000 0x1000>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +    };
> -- 
> 2.20.1
> 



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