[PATCH v2 1/3] dt-bindings: clock: add rk3562 cru bindings

Kever Yang kever.yang at rock-chips.com
Mon Feb 24 00:52:12 PST 2025


Hi Krzysztof,

On 2024/12/27 16:25, Krzysztof Kozlowski wrote:
> On Tue, Dec 24, 2024 at 05:23:08PM +0800, Kever Yang wrote:
>> Document the device tree bindings of the rockchip rk3562 SoC
>> clock and reset unit.
>>
>> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
>> ---
> A nit, subject: drop second/last, redundant "bindings". The
> "dt-bindings" prefix is already stating that these are bindings.
> See also:
> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18
>
>
> s/rk3562/Rocchip RK3562/
> or whatever your proper name is (and use proper capitalized parts of
> products)
Will update.
>
>> +properties:
>> +  compatible:
>> +    const: rockchip,rk3562-cru
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  "#clock-cells":
>> +    const: 1
>> +
>> +  "#reset-cells":
>> +    const: 1
>> +
>> +  clocks:
>> +    maxItems: 2
>
> Why clocks are not required?
The cru is the clock-controller, which is always on module in SoC,
so we don't need to enable "clock" for this clock-controller.

Thanks,
- Kever
>
>> +
>> +  clock-names:
>> +    items:
>> +      - const: xin24m
>> +      - const: xin32k
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - "#clock-cells"
>> +  - "#reset-cells"
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    clock-controller at ff100000 {
>> +      compatible = "rockchip,rk3562-cru";
>> +      reg = <0xff100000 0x40000>;
>> +      #clock-cells = <1>;
>> +      #reset-cells = <1>;
> Why clocks are not here?
>
> Best regards,
> Krzysztof
>
>



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