linux-kernel - Re: [PATCH] WIP: dt-bindings: arm: firmware: tlm,trusted-foundations: Convert txt bindings to yaml

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Message-ID: <YW86yrhJBTunU121@robh.at.kernel.org>
Date:   Tue, 19 Oct 2021 16:38:18 -0500
From:   Rob Herring <robh@...nel.org>
To:     David Heidelberg <david@...t.cz>
Cc:     Stephen Warren <swarren@...dia.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~okias/devicetree@...ts.sr.ht
Subject: Re: [PATCH] WIP: dt-bindings: arm: firmware:
 tlm,trusted-foundations: Convert txt bindings to yaml

On Sat, Oct 09, 2021 at 12:45:18PM +0200, David Heidelberg wrote:
> Convert Trusted Foundation binding to the YAML syntax.

Looks fine. Why WIP?

If version number ranges are known, you could add constraints on those.

> 
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
>  .../arm/firmware/tlm,trusted-foundations.txt  | 20 --------
>  .../arm/firmware/tlm,trusted-foundations.yaml | 46 +++++++++++++++++++
>  2 files changed, 46 insertions(+), 20 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.txt b/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.txt
> deleted file mode 100644
> index 780d0392a66b..000000000000
> --- a/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.txt
> +++ /dev/null
> @@ -1,20 +0,0 @@
> -Trusted Foundations
> --------------------
> -
> -Boards that use the Trusted Foundations secure monitor can signal its
> -presence by declaring a node compatible with "tlm,trusted-foundations"
> -under the /firmware/ node
> -
> -Required properties:
> -- compatible: "tlm,trusted-foundations"
> -- tlm,version-major: major version number of Trusted Foundations firmware
> -- tlm,version-minor: minor version number of Trusted Foundations firmware
> -
> -Example:
> -	firmware {
> -		trusted-foundations {
> -			compatible = "tlm,trusted-foundations";
> -			tlm,version-major = <2>;
> -			tlm,version-minor = <8>;
> -		};
> -	};
> diff --git a/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.yaml b/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.yaml
> new file mode 100644
> index 000000000000..9d1857c0aa07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/firmware/tlm,trusted-foundations.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/arm/firmware/tlm,trusted-foundations.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Trusted Foundations
> +
> +description: |
> +  Boards that use the Trusted Foundations secure monitor can signal its
> +  presence by declaring a node compatible under the /firmware/ node
> +
> +maintainers:
> +  - Stephen Warren <swarren@...dia.com>
> +
> +properties:
> +  $nodename:
> +    const: trusted-foundations
> +
> +  compatible:
> +    const: tlm,trusted-foundations
> +
> +  tlm,version-major:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: major version number of Trusted Foundations firmware
> +
> +  tlm,version-minor:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: minor version number of Trusted Foundations firmware
> +
> +required:
> +  - compatible
> +  - tlm,version-major
> +  - tlm,version-minor
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    firmware {
> +      trusted-foundations {
> +        compatible = "tlm,trusted-foundations";
> +        tlm,version-major = <2>;
> +        tlm,version-minor = <8>;
> +      };
> +    };
> -- 
> 2.33.0
> 
>