linux-kernel - Re: [PATCH 1/2] dt-bindings: nvmem: Remove fsl,t1023-sfp in favor of fsl,layerscape-sfp

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Date: Sun, 17 Mar 2024 15:10:50 +0000
From: Conor Dooley <conor@...nel.org>
To: Sean Anderson <sean.anderson@...ux.dev>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Richard Alpe <richard@...42.se>, linux-kernel@...r.kernel.org,
	Niklas Söderlund <niklas.soderlund@...natech.se>,
	Michael Walle <michael@...le.cc>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: nvmem: Remove fsl,t1023-sfp in favor of
 fsl,layerscape-sfp

On Fri, Mar 15, 2024 at 08:20:25PM -0400, Sean Anderson wrote:
> These bindings document the same hardware (just different minor
> revisions). Remove the newer fsl,t1023-sfp.
> 
> Fixes: aa1ed6047107 ("dt-bindings: nvmem: Add t1023-sfp efuse support")
> Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
> ---
> 
>  .../bindings/nvmem/fsl,layerscape-sfp.yaml    | 21 ++++++++++-
>  .../bindings/nvmem/fsl,t1023-sfp.yaml         | 37 -------------------
>  2 files changed, 19 insertions(+), 39 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/nvmem/fsl,t1023-sfp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
> index 70fb2ad25103..8a54dd1328ea 100644
> --- a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
> @@ -19,6 +19,13 @@ allOf:
>  properties:
>    compatible:
>      oneOf:
> +      - description: Trust architecture 2.0 SFP
> +        items:
> +          enum:
> +            - fsl,t1023-sfp

> +            - fsl,t1040-sfp
> +            - fsl,t2080-sfp
> +            - fsl,t4240-sfp

You should at least mention where these three compatibles came from,
given they were not documented in t1023-sfp.yaml. Additionally, should
they fall back to t1023-sfp? I see that there's already some dts files
with these compatibles in them but seemingly no driver support as there
is for the t1023-sfp.

Cheers,
Conor.

>        - description: Trust architecture 2.1 SFP
>          items:
>            - const: fsl,ls1021a-sfp
> @@ -45,8 +52,18 @@ properties:
>  required:
>    - compatible
>    - reg
> -  - clock-names
> -  - clocks
> +
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - fsl,ls1021a-sfp
> +          - fsl,ls1028a-sfp
> +then:
> +  required:
> +    - clocks
> +    - clock-names
>  
>  unevaluatedProperties: false
>  
> diff --git a/Documentation/devicetree/bindings/nvmem/fsl,t1023-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,t1023-sfp.yaml
> deleted file mode 100644
> index df826b40d8ca..000000000000
> --- a/Documentation/devicetree/bindings/nvmem/fsl,t1023-sfp.yaml
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> -%YAML 1.2
> ----
> -$id: http://devicetree.org/schemas/nvmem/fsl,t1023-sfp.yaml#
> -$schema: http://devicetree.org/meta-schemas/core.yaml#
> -
> -title: NXP QorIQ eFuse support
> -
> -maintainers:
> -  - Richard Alpe <richard@...42.se>
> -
> -description:
> -  Read support for the eFuses (SFP) on NXP QorIQ series SoC's.
> -
> -allOf:
> -  - $ref: nvmem.yaml#
> -
> -properties:
> -  compatible:
> -    const: fsl,t1023-sfp
> -
> -  reg:
> -    maxItems: 1
> -
> -required:
> -  - compatible
> -  - reg
> -
> -unevaluatedProperties: false
> -
> -examples:
> -  - |
> -    efuse@...00 {
> -        compatible = "fsl,t1023-sfp";
> -        reg = <0xe8000 0x1000>;
> -    };
> -...
> -- 
> 2.35.1.1320.gc452695387.dirty
> 

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