linux-kernel - Re: [PATCH v1 1/4] LF-2571-1: dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID

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Date:   Wed, 4 Nov 2020 08:58:29 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Alice Guo <alice.guo@....com>
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, peng.fan@....com
Subject: Re: [PATCH v1 1/4] LF-2571-1: dt-bindings: soc: imx8m: add DT Binding
 doc for soc unique ID

On Wed, 4 Nov 2020 at 04:09, Alice Guo <alice.guo@....com> wrote:
>
> Add DT Binding doc for the Unique ID of i.MX 8M series.
>
> Signed-off-by: Alice Guo <alice.guo@....com>
> ---
>  .../bindings/soc/imx/imx8m-unique-id.yaml     | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/imx/imx8m-unique-id.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/imx/imx8m-unique-id.yaml b/Documentation/devicetree/bindings/soc/imx/imx8m-unique-id.yaml
> new file mode 100644
> index 000000000000..f1e45458cec7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/imx/imx8m-unique-id.yaml
> @@ -0,0 +1,32 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/nxp/imx8m-unique-id.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX8M Platforms Device Tree Bindings

This is not a title for these bindings. Please describe the bindings
for this device. Based on description, this might could go to
bindings/nvmem directory.

> +
> +properties:
> +  compatible:
> +    oneOf:

No need for oneOf.

> +      - items:
> +          - enum:
> +              - fsl,imx8mm-soc
> +              - fsl,imx8mn-soc
> +              - fsl,imx8mp-soc
> +              - fsl,imx8mq-soc
> +          - const: simple-bus
> +
> +  nvmem-cells:
> +    maxItems: 1
> +    description:
> +      Reference to an nvmem node for the SOC Unique ID.

Misleading description - nvmem-cells do not contain a reference. Just
skip it, nvmem-cells should be obvious from the nvmem provider
bindings.

> +
> +  nvmem-cells-names:
> +    const: soc_unique_id

additionalProperties: false


Best regards,
Krzysztof