linux-kernel - Re: [PATCH v11 1/2] dt-bindings: spi: add loongson spi

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Date:   Wed, 24 May 2023 17:44:38 +0800
From:   zhuyinbo <zhuyinbo@...ngson.cn>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     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, Jianmin Lv <lvjianmin@...ngson.cn>,
        wanghongliang@...ngson.cn, Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        zhuyinbo@...ngson.cn
Subject: Re: [PATCH v11 1/2] dt-bindings: spi: add loongson spi



在 2023/5/24 下午4:56, Conor Dooley 写道:
> On Mon, May 22, 2023 at 03:10:29PM +0800, Yinbo Zhu wrote:
>> Add the Loongson platform spi binding with DT schema format using
>> json-schema.
>>
>> Signed-off-by: Yinbo Zhu <zhuyinbo@...ngson.cn>
>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>   .../bindings/spi/loongson,ls2k-spi.yaml       | 41 +++++++++++++++++++
>>   MAINTAINERS                                   |  6 +++
>>   2 files changed, 47 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>> new file mode 100644
>> index 000000000000..d0be6e5378d7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>> @@ -0,0 +1,41 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/spi/loongson,ls2k-spi.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Loongson SPI controller
>> +
>> +maintainers:
>> +  - Yinbo Zhu <zhuyinbo@...ngson.cn>
>> +
>> +allOf:
>> +  - $ref: /schemas/spi/spi-controller.yaml#
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - loongson,ls2k-spi
> 
> I am sorry to jump in here at such a late stage with a (potentially)
> trivial question. "ls2k" is the SoC family rather than a specific model
> as far as I understand.
> The answer is probably yes, but do all SoCs in the family have an
> identical version of the IP?


No, but the spi supported by this loongson spi driver are all the same
identical version, and other type or verion spi will be supported as
needed in the future.

Thanks.