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

From: Krzysztof Kozlowski
Date: Wed Nov 04 2020 - 02:58:45 EST


On Wed, 4 Nov 2020 at 04:09, Alice Guo <alice.guo@xxxxxxx> wrote:
>
> Add DT Binding doc for the Unique ID of i.MX 8M series.
>
> Signed-off-by: Alice Guo <alice.guo@xxxxxxx>
> ---
> .../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