Re: [PATCH v2 2/4] media: dt-bindings: Document Renesas RZ/G2L CRU block

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On 21/09/2022 14:43, Laurent Pinchart wrote:
> On Thu, Sep 08, 2022 at 01:40:39PM +0200, Krzysztof Kozlowski wrote:
>> On 06/09/2022 01:04, Lad Prabhakar wrote:
>>> Document the CRU block found on Renesas RZ/G2L (and alike) SoCs.
>>>
>>> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>>> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
>>
>> Thank you for your patch. There is something to discuss/improve.
>>
>>> +properties:
>>> +  compatible:
>>> +    items:
>>> +      - enum:
>>> +          - renesas,r9a07g044-cru       # RZ/G2{L,LC}
>>> +          - renesas,r9a07g054-cru       # RZ/V2L
>>> +      - const: renesas,rzg2l-cru
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  interrupts:
>>> +    maxItems: 3
>>> +
>>> +  interrupt-names:
>>> +    items:
>>> +      - const: image_conv
>>> +      - const: image_conv_err
>>> +      - const: axi_mst_err
>>> +
>>> +  clocks:
>>> +    items:
>>> +      - description: CRU Main clock
>>> +      - description: CPU Register access clock
>>> +      - description: CRU image transfer clock
>>> +
>>> +  clock-names:
>>> +    items:
>>> +      - const: vclk
>>> +      - const: pclk
>>> +      - const: aclk
>>
>> Drop the "clk" suffixes. Remaining names could be made a bit more readable.
> 
> These names come from the documentation, isn't it better to match the
> datasheet ?

If datasheet calls it "vclk_really_clk_it_is_clk_clk", it's not the
reason to use it. :)

The "clk" is redundant even if the hardware engineer thought different.

The same for IRQs ("tx" not "txirq"), for dmas ("tx" not "txdma").

Best regards,
Krzysztof




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