Re: [PATCH v3 3/3] riscv: dts: starfive: Add mmc node

Krzysztof Kozlowski
2023-02-03T09:31:17Z

On 03/02/2023 10:23, William Qiu wrote:
>
>
> On 2023/2/3 17:02, Krzysztof Kozlowski wrote:
>> On 03/02/2023 09:19, William Qiu wrote:
>>> This adds the mmc node for the StarFive JH7110 SoC.
>>
>> Do not use "This xxx". Use imperative mode.
>> https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95
>>
>>> Set mmco node to emmc and set mmc1 node to sd.
>>>
>>> Signed-off-by: William Qiu <william.qiu@starfivetech.com>
>>
>>
>>> +
>>> &gmac0_rmii_refin {
>>> clock-frequency = <50000000>;
>>> };
>>> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
>>> index 64d260ea1f29..ae1a664e7af5 100644
>>> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
>>> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
>>> @@ -370,6 +370,11 @@ syscrg: clock-controller@13020000 {
>>> #reset-cells = <1>;
>>> };
>>>
>>> + sysreg: syscon@13030000 {
>>> + compatible = "starfive,sysreg", "syscon";
>>
>> No:
>> 1. Undocumented.
>> 2. A bit too generic. You should have here SoC specific compatible as
>> well (either as second or third compatible, if all your SoCs share
>> register layout).
>>
>
> Hi Krzysztof,
>
> As for the compatible, I will change it to "starfive,jh7110-sysreg"
> in next version,but for undocumented, I don't get it, can you
> clarify that.
> Thank you anyway.

You need bindings for it. I don't see it in linux-next, cover letter
dependencies nor here.

Best regards,
Krzysztof