linux-kernel - Re: [PATCH v2 07/11] dt-bindings: kunit: Add fixed rate clk consumer test

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Date:   Tue, 21 Mar 2023 15:14:46 -0500
From:   Rob Herring <robh@...nel.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        patches@...ts.linux.dev,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        David Gow <davidgow@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Christian Marangi <ansuelsmth@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, Maxime Ripard <maxime@...no.tech>
Subject: Re: [PATCH v2 07/11] dt-bindings: kunit: Add fixed rate clk consumer
 test

On Wed, Mar 15, 2023 at 11:37:24AM -0700, Stephen Boyd wrote:
> Describe a binding for a device that consumes a fixed rate clk in DT so
> that a KUnit test can get the clk registered by of_fixed_clk_setup() and
> test that it is setup properly.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Brendan Higgins <brendan.higgins@...ux.dev>
> Cc: David Gow <davidgow@...gle.com>
> Signed-off-by: Stephen Boyd <sboyd@...nel.org>
> ---
>  .../kunit/test,clk-kunit-fixed-rate.yaml      | 35 +++++++++++++++++++

Some stuff in test and some in kunit? I prefer 'test'.

>  1 file changed, 35 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/kunit/test,clk-kunit-fixed-rate.yaml
> 
> diff --git a/Documentation/devicetree/bindings/kunit/test,clk-kunit-fixed-rate.yaml b/Documentation/devicetree/bindings/kunit/test,clk-kunit-fixed-rate.yaml
> new file mode 100644
> index 000000000000..58d7826d9c14
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/kunit/test,clk-kunit-fixed-rate.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/kunit/test,clk-kunit-fixed-rate.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: KUnit clk fixed rate test clk consumer
> +
> +maintainers:
> +  - Stephen Boyd <sboyd@...nel.org>
> +
> +description: |

Drop '|'

> +  A clk consumer of a fixed rate clk used to test the fixed rate clk
> +  implementation in the Linux kernel.
> +
> +properties:
> +  compatible:
> +    const: test,clk-kunit-fixed-rate

I tend to think we should drop 'kunit' from these bindings. You could 
use this for different test frameworks. 

> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clock-consumer {
> +      compatible = "test,clk-kunit-fixed-rate";
> +      clocks = <&fixed_clk>;
> +    };
> +...
> -- 
> https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
> https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git
>