Re: [PATCH 1/3] dt-bindings: clk: sprd: Add UMS9620 support

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Hi Krzysztof,

On Thu, 4 Jan 2024 at 16:46, Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 29/12/2023 09:51, Chunyan Zhang wrote:
> > Add UMS9620's clock compatible strings and descriptions for clock
> > and clock-names for UMS9620.
> >
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
> > ---
> >  .../bindings/clock/sprd,ums512-clk.yaml       | 79 ++++++++++++++++---
> >  1 file changed, 68 insertions(+), 11 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml b/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
> > index 43d2b6c31357..dcad41a1fea7 100644
> > --- a/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
> > +++ b/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
> > @@ -30,25 +30,38 @@ properties:
> >        - sprd,ums512-mm-clk
> >        - sprd,ums512-mm-gate-clk
> >        - sprd,ums512-apapb-gate
> > +      - sprd,ums9620-pmu-gate
> > +      - sprd,ums9620-g1-pll
> > +      - sprd,ums9620-g5l-pll
> > +      - sprd,ums9620-g5r-pll
> > +      - sprd,ums9620-g8-pll
> > +      - sprd,ums9620-g9-pll
> > +      - sprd,ums9620-g10-pll
> > +      - sprd,ums9620-apapb-gate
> > +      - sprd,ums9620-ap-clk
> > +      - sprd,ums9620-apahb-gate
> > +      - sprd,ums9620-aon-gate
> > +      - sprd,ums9620-aonapb-clk
> > +      - sprd,ums9620-topdvfs-clk
> > +      - sprd,ums9620-ipaapb-gate
> > +      - sprd,ums9620-ipa-clk
> > +      - sprd,ums9620-ipaglb-gate
> > +      - sprd,ums9620-ipadispc-gate
> > +      - sprd,ums9620-pcieapb-gate
> > +      - sprd,ums9620-pcie-clk
> > +      - sprd,ums9620-mm-gate
> > +      - sprd,ums9620-mm-clk
> > +      - sprd,ums9620-dpu-vsp-gate
> > +      - sprd,ums9620-dpu-vsp-clk
> >
> >    "#clock-cells":
> >      const: 1
> >
> >    clocks:
> > -    minItems: 1
> > -    maxItems: 4
>
> No, constraints stay here.
>
> >      description: |
> >        The input parent clock(s) phandle for the clock, only list
> >        fixed clocks which are declared in devicetree.
> >
> > -  clock-names:
>
> No, you cannot just drop properties. Widest constraints stay here.
>
> > -    minItems: 1
> > -    items:
> > -      - const: ext-26m
> > -      - const: ext-32k
> > -      - const: ext-4m
> > -      - const: rco-100m
> > -
> >    reg:
> >      maxItems: 1
> >
> > @@ -57,7 +70,43 @@ required:
> >    - '#clock-cells'
> >    - reg
> >
> > -additionalProperties: false
> > +allOf:
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            pattern: "^sprd,ums512-.*"
> > +
> > +    then:
> > +      properties:
> > +        clocks:
> > +          minItems: 1
> > +          maxItems: 4
> > +
> > +        clock-names:
> > +          minItems: 1
> > +          items:
> > +            - const: ext-26m
> > +            - const: ext-32k
> > +            - const: ext-4m
> > +            - const: rco-100m
> > +
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            pattern: "^sprd,ums9620-.*"
> > +    then:
> > +      properties:
> > +        clocks:
> > +          minItems: 1
> > +          maxItems: 6
> > +
> > +        clock-names:
> > +          minItems: 1
> > +          maxItems: 6
>
> Missing names.

The names are fixed, but the order are not.

For example:
clk_a {
    clocks = <&ext_26m>, <&ext_32k>;
    clock-names = "ext-26m", "ext-32k";
};

clk_b {
    clocks = <&ext_26m>, <&ext_4m>;
    clock-names = "ext-26m", "ext-4m";
};

How to list the names for this kind of case? (Please forgive me for
being lazy, didn't find a similar case after a fast search)

Thanks,
Chunyan




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