linux-kernel - Re: [PATCH v1 1/3] dt-bindings: mmc: Add bindings for StarFive

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Date:   Fri, 9 Dec 2022 19:18:21 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/3] dt-bindings: mmc: Add bindings for StarFive



On 2022/12/9 5:13, Linus Walleij wrote:
> Hi William,
> 
> thanks for your patch!
> 
> On Wed, Dec 7, 2022 at 2:17 PM William Qiu <william.qiu@...rfivetech.com> wrote:
> 
>> Add documentation to describe StarFive
>> designware mobile storage host controller driver.
>>
>> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
> 
> (...)
> 
>> +  starfive,sys-syscon:
>> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>> +    description:
>> +      The desired number of times that the host execute tuning when needed.
> 
> This is not consistent with the use in the code of the attached driver.
> There it is a phandle, and it has three cells, which I am critical of.
> Also this description is hard to understand.
> 

Will update all of it in next version.


>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - interrupts
> 
> I don't think the syscon phandle is optional.
> 

Will fix.

>> +    #include <dt-bindings/clock/starfive-jh7110.h>
>> +    #include <dt-bindings/reset/starfive-jh7110.h>
>> +    mmc@...10000 {
>> +            compatible = "starfive,jh7110-sdio";
>> +            reg = <0x16010000 0x10000>;
> 
> No syscon phandle in the example: this needs to be added.
> 

I will add the syscon phandle.

Thank you for taking time to review and provide helpful comments for this patch.

Best regards,
William Qiu
> Yours,
> Linus Walleij