Re: [PATCH v7 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID

From: Rob Herring
Date: Tue Dec 15 2020 - 15:34:42 EST


On Tue, Dec 15, 2020 at 04:35:48PM +0800, Alice Guo (OSS) wrote:
> From: Alice Guo <alice.guo@xxxxxxx>
>
> Add DT Binding doc for the Unique ID of i.MX 8M series.
>
> Signed-off-by: Alice Guo <alice.guo@xxxxxxx>
> ---
>
> Changes for v7:
> - change to a separate schema file
> Changes for v6:
> - none
> Changes for v5:
> - correct the error of using allOf
> Changes for v4:
> - use allOf to limit new version DTS files for i.MX8M to include
> "fsl,imx8m*-soc", nvmem-cells and nvmem-cells-names
> Changes for v3:
> - put it into Documentation/devicetree/bindings/arm/fsl.yaml
> - modify the description of nvmem-cells
> - use "make ARCH=arm64 dtbs_check" to make sure it is right
> Changes for v2:
> - remove the subject prefix "LF-2571-1"
>
> .../bindings/soc/imx/imx8m-soc.yaml | 54 +++++++++++++++++++
> 1 file changed, 54 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml
> new file mode 100644
> index 000000000000..a2f7dc0c9b35
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/imx/imx8m-soc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX8M Series SoC
> +
> +maintainers:
> + - Alice Guo <alice.guo@xxxxxxx>
> +
> +description: |
> + NXP i.MX8M series SoCs contain fuse entries from which SoC Unique ID can be
> + obtained.
> +
> +select:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - fsl,imx8mm
> + - fsl,imx8mn
> + - fsl,imx8mp
> + - fsl,imx8mq
> + required:
> + - compatible
> +
> +properties:
> + soc:
> + type: object
> + properties:
> + compatible:
> + items:
> + - enum:
> + - fsl,imx8mm-soc
> + - fsl,imx8mn-soc
> + - fsl,imx8mp-soc
> + - fsl,imx8mq-soc
> + - const: simple-bus
> +
> + nvmem-cells:
> + maxItems: 1
> + description: Phandle to the SOC Unique ID provided by a nvmem node
> +
> + nvmem-cells-names:
> + const: soc_unique_id
> +
> + required:
> + - compatible
> + - nvmem-cells
> + - nvmem-cell-names

Anything else should be a node, so:

additionalProperties:
type: object

> +
> +additionalProperties: true
> +...
> --
> 2.17.1
>