Re: [PATCH RFC] Bindings: nvmem: add bindings for JZ4780 efuse

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On Thu, Feb 20, 2020 at 12:00 AM Andreas Kemnade <andreas@xxxxxxxxxxxx> wrote:
>
> From: PrasannaKumar Muralidharan <prasannatsmkumar@xxxxxxxxx>
>
> This patch brings support for the JZ4780 efuse. Currently it only expose
> a read only access to the entire 8K bits efuse memory.
>
> Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx>
> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@xxxxxxxxx>
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>
> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
> [converted to yaml]
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> I will not update/maintain this, just have the impression that here some
> more work is needed to make somebody comfortable with yaml than stick
> to the usual pointing to documentation and I have not the ingredients
> for doing
> cat  Antihistamines >/dev/brain ;-)
> and I do not want to see the other patches get lost.

Looks about right...

>
>  .../bindings/nvmem/ingenic,jz4780-efuse.yaml  | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
>
> diff --git a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
> new file mode 100644
> index 000000000000..ad56c17b0bd5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license new bindings please:

(GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/ingenic,jz4780-efuse.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ingenic JZ EFUSE driver bindings
> +
> +maintainers:
> +  - tbd <tbd@tbd>
> +
> +allOf:
> +  - $ref: "nvmem.yaml#"
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ingenic,jz4780-efuse
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    # Handle for the ahb for the efuse.
> +    maxItems: 1
> +
> +  clock-names:
> +   items:
> +     - const:  bus_clk

My prior comment still applies.

Also, for a single clock, you don't really need a name.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clock

'make dt_binding_check' would have pointed the error here for you:

/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.example.dt.yaml:
efuse@134100d0: 'clock' is a required property

> +  - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/jz4780-cgu.h>
> +
> +    efuse@134100d0 {
> +        compatible = "ingenic,jz4780-efuse";
> +        reg = <0x134100d0 0x2c>;
> +
> +        clocks = <&cgu JZ4780_CLK_AHB2>;
> +        clock-names = "bus_clk";
> +    };
> +
> +...
> --
> 2.20.1
>



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