Re: [PATCH v2 2/4] media: dt-bindings: Document Renesas RZ/G2L CRU block
From: Krzysztof Kozlowski
Date: Wed Sep 21 2022 - 12:01:13 EST
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