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

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Date:   Tue, 1 Feb 2022 22:53:26 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
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 Mon, Jan 31, 2022 at 05:11:44PM -0600, Bjorn Andersson wrote:
> 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
> ?
>

Ok, just to make sure.
gcc-common.yaml -> gcc.yaml (the template)
gcc.yaml -> gcc-others.yaml (the generic gcc schema)

Correct?

> > @@ -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
> > 

-- 
	Ansuel