linux-kernel - Re: [PATCH v3 01/15] dt-bindings: clock: split qcom,gcc.yaml to common and specific schema

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Date:   Mon, 31 Jan 2022 17:11:44 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Taniya Das <tdas@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 01/15] dt-bindings: clock: split qcom,gcc.yaml to
 common and specific schema

On Fri 21 Jan 15:03 CST 2022, Ansuel Smith wrote:

> Split qcom,gcc.yaml to common and specific schema to use it as a
> template for schema that needs to use the gcc bindings and require
> to add additional bindings.
> 

Nice!

> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  .../bindings/clock/qcom,gcc-common.yaml       | 42 +++++++++++++++++++
>  .../devicetree/bindings/clock/qcom,gcc.yaml   | 25 ++---------
>  2 files changed, 46 insertions(+), 21 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-common.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-common.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-common.yaml
> new file mode 100644
> index 000000000000..ea1dd94d8bf1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-common.yaml

It seems reasonable to expect that qcom,gcc.yaml should be split out in
a number of trivial qcom,gcc-platform.yaml files to define input clock
etc. So how about using qcom,gcc.yaml for the common properties and for
now rename the existing file to something like qcom,gcc-others.yaml
?

> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding Common Bindings
> +
> +maintainers:
> +  - Stephen Boyd <sboyd@...nel.org>
> +  - Taniya Das <tdas@...eaurora.org>
> +
> +description: |

No need to preserve the formatting here, so the pipe can go.

Regards,
Bjorn

> +  Common bindings for Qualcomm global clock control module which supports
> +  the clocks, resets and power domains.
> +
> +properties:
> +  '#clock-cells':
> +    const: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  '#power-domain-cells':
> +    const: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  protected-clocks:
> +    description:
> +      Protected clock specifier list as per common clock binding.
> +
> +required:
> +  - reg
> +  - '#clock-cells'
> +  - '#reset-cells'
> +  - '#power-domain-cells'
> +
> +additionalProperties: true
> +
> +...
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> index f66d703bd913..73e3ff4979c6 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
> @@ -34,6 +34,9 @@ description: |
>    - dt-bindings/reset/qcom,gcc-mdm9615.h
>    - dt-bindings/clock/qcom,gcc-sdm660.h  (qcom,gcc-sdm630 and qcom,gcc-sdm660)
>  
> +allOf:
> +  - $ref: "qcom,gcc-common.yaml#"
> +
>  properties:
>    compatible:
>      enum:
> @@ -55,30 +58,10 @@ properties:
>        - qcom,gcc-sdm630
>        - qcom,gcc-sdm660
>  
> -  '#clock-cells':
> -    const: 1
> -
> -  '#reset-cells':
> -    const: 1
> -
> -  '#power-domain-cells':
> -    const: 1
> -
> -  reg:
> -    maxItems: 1
> -
> -  protected-clocks:
> -    description:
> -      Protected clock specifier list as per common clock binding.
> -
>  required:
>    - compatible
> -  - reg
> -  - '#clock-cells'
> -  - '#reset-cells'
> -  - '#power-domain-cells'
>  
> -additionalProperties: false
> +unevaluatedProperties: false
>  
>  examples:
>    # Example for GCC for MSM8960:
> -- 
> 2.33.1
>