Re: [PATCH 1/2] dt-bindings: clock: Add binding for Loongson-1 clock driver

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On 17/01/2023 11:31, Kelvin Cheung wrote:
>>> +  "#clock-cells":
>>> +    const: 0
>>> +
>>> +  compatible:
>>> +    enum:
>>> +      - loongson,ls1b-clk-pll
>>> +      - loongson,ls1b-clk-cpu
>>> +      - loongson,ls1b-clk-ahb
>>> +      - loongson,ls1c-clk-pll
>>> +      - loongson,ls1c-clk-cpu
>>> +      - loongson,ls1c-clk-ahb
>>
>> Are you registering single clocks? It looks like. No, make a proper
>> clock controller.
> 
> This binding contains two types of clock, pll-clk and div-clk.
> Should I split the binding to two bindings files?

No, you should register rather one clock controller. Why this have to be
3 separate clock controllers?

>>
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  clocks:
>>> +    maxItems: 1
>>> +
>>> +required:
>>> +  - "#clock-cells"
>>> +  - compatible
>>> +  - clocks
>>> +  - reg
>>> +
>>> +additionalProperties: false
>>> +
>>> +examples:
>>> +  - |
>>> +    clocks {
>>
>> No, not really related to the binding.
> 
> Should I remove the "clocks" section?

Yes.

>>
>>> +        #address-cells = <1>;
>>> +        #size-cells = <1>;
>>> +        ranges;
>>> +
>>> +        xtal: xtal {
>>
>> Incorrect in this context. Missing unit address.
> 
> XTAL doesn't have reg property.

Yeah, but DTS is not correct now, is it? If you doubt, build your DTB
with W=1.

>>
>>> +            compatible = "fixed-clock";
>>> +            #clock-cells = <0>;
>>> +            clock-frequency = <33000000>;
>>> +        };
>>> +

Best regards,
Krzysztof




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