linux-kernel - Re: [PATCH v12 1/2] spi: add loongson spi bindings

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Message-ID: <657f8d19-de83-8be6-4a9d-5f13b1df7383@linaro.org>
Date:   Thu, 8 Jun 2023 15:26:44 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     zhuyinbo <zhuyinbo@...ngson.cn>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>, wanghongliang@...ngson.cn,
        Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH v12 1/2] spi: add loongson spi bindings

On 08/06/2023 14:10, zhuyinbo wrote:
> 
> 
> 在 2023/6/8 下午7:45, Krzysztof Kozlowski 写道:
>> On 08/06/2023 13:42, zhuyinbo wrote:
>>> --- a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>>> +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>>> @@ -16,6 +16,7 @@ properties:
>>>      compatible:
>>>        enum:
>>>          - loongson,ls2k1000-spi
>>> +      - loongson,ls2k0500-spi
>>
>> Aren't they compatible?
>>
> 
> 
> Are you saying that the spi driver is compatible with 2k0500 ?

Didn't you say this through 11 previous revisions?

> Yes.  and the 2k1000 spi hardware was same with 2k0500 common type spi
> hardware.
> 
> but afterwards, it may be necessary to implement a clock drvier for
> 2k0500, because the spi driver was use "devm_clk_get_optional()" to
> get clock and not use "of_property_read_u32(np, "clock-frequency",
> &clk)",  But this seems to have nothing to do with bindings.
>

Best regards,
Krzysztof