linux-kernel - Re: [PATCH v4 06/10] dt-bindings: kunit: Add fixed rate clk consumer test

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Message-ID: <ac141363f0b6c44b11c421f752776ef9.sboyd@kernel.org>
Date: Mon, 03 Jun 2024 15:02:01 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, patches@...ts.linux.dev, kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org, devicetree@...r.kernel.org, Brendan Higgins <brendan.higgins@...ux.dev>, David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Rafael J . Wysocki <rafael@...nel.org>, Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, Daniel Latypov <dlatypov@...gle.com>, Christian Marangi <ansuelsmth@...il.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Maxime Ripard <maxime@...no.tech>
Subject: Re: [PATCH v4 06/10] dt-bindings: kunit: Add fixed rate clk consumer test

Quoting Stephen Boyd (2024-04-22 16:23:59)
> diff --git a/Documentation/devicetree/bindings/test/test,clk-fixed-rate.yaml b/Documentation/devicetree/bindings/test/test,clk-fixed-rate.yaml
> new file mode 100644
> index 000000000000..b9f58cba944c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/test/test,clk-fixed-rate.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/test/test,clk-fixed-rate.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: KUnit clk fixed rate test clk consumer

Removed KUnit from the title.

> +
> +maintainers:
> +  - Stephen Boyd <sboyd@...nel.org>
> +
> +description:
> +  A clk consumer of a fixed rate clk used to test the fixed rate clk
> +  implementation.
> +
> +properties:
> +  compatible:
> +    const: test,clk-fixed-rate

None of this is really fixed rate clk specific. I'm going to rename this
to "test,single-clk-consumer" so that it can be used anywhere we want to
consume a single clock cell. Someone can introduce a double/multiple
binding as needed.

> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clock-consumer {
> +      compatible = "test,clk-fixed-rate";
> +      clocks = <&fixed_clk>;
> +    };
> +...