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

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Message-ID: <b0e5e13e-6746-bd90-2a49-31ee6dd3e8a2@loongson.cn>
Date:   Fri, 9 Jun 2023 11:13:20 +0800
From:   zhuyinbo <zhuyinbo@...ngson.cn>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        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, zhuyinbo@...ngson.cn
Subject: Re: [PATCH v12 1/2] spi: add loongson spi bindings



在 2023/6/8 下午9:26, Krzysztof Kozlowski 写道:
> 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, did I understand your meaning incorrectly ?

Thanks,
Yinbo
> 
>> 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.