Re: [PATCH v7 4/6] dt-bindings: net: Add support StarFive dwmac

From: Guo Samin
Date: Thu Mar 16 2023 - 06:19:07 EST




-------- 原始信息 --------
Re: [PATCH v7 4/6] dt-bindings: net: Add support StarFive dwmac
From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
to : Guo Samin <samin.guo@xxxxxxxxxxxxxxxx>, linux-riscv@xxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
data: 2023/3/16

> On 16/03/2023 09:28, Guo Samin wrote:
>>
>>
>> -------- 原始信息 --------
>> 主题: Re: [PATCH v7 4/6] dt-bindings: net: Add support StarFive dwmac
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>> 收件人: Guo Samin <samin.guo@xxxxxxxxxxxxxxxx>, linux-riscv@xxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
>> 日期: 2023/3/16
>>
>>> On 16/03/2023 09:15, Guo Samin wrote:
>>>>>>> interrupts: ???
>>>>>>>
>>>>>>
>>>>>> Hi Krzysztof,
>>>>>>
>>>>>> snps,dwmac.yaml has defined the reg/interrupt/interrupt-names nodes,
>>>>>> and the JH7110 SoC is also applicable.
>>>>>> Maybe just add reg/interrupt/interrupt-names to the required ?
>>>>>
>>>>> You need to constrain them.
>>>>
>>>>
>>>> I see. I will add reg constraints in the next version, thanks.
>>>>
>>>> I have one more question, the interrupts/interrup-names of JH7110 SoC's gmac are exactly the same as snps,dwmac.yaml,
>>>> do these also need to be constrained?
>>>
>>> The interrupts on common binding are variable, so you need to constrain
>>> them - you have fixed number of them, right?
>>>
>>> Best regards,
>>> Krzysztof
>>>
>>
>> Yes, JH7110 fixed is 3 pcs. Thanks, I will constrain them.
>
> Then just minItems: 3, maxItems: 3 here should be enough
>
> Best regards,
> Krzysztof
>

Hi Krzysztof,

Thank you for the suggestion.
I'll change it like this in the next version, is right?


$ git diff
--- a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
@@ -27,6 +27,9 @@ properties:
- starfive,jh7110-dwmac
- const: snps,dwmac-5.20

+ reg:
+ maxItems: 1
+
clocks:
items:
- description: GMAC main clock
@@ -43,6 +46,14 @@ properties:
- const: tx
- const: gtx

+ interrupts:
+ minItems: 3
+ maxItems: 3
+
+ interrupt-names:
+ minItems: 3
+ maxItems: 3
+
resets:
items:
- description: MAC Reset signal.
@@ -77,8 +88,11 @@ unevaluatedProperties: false

required:
- compatible
+ - reg
- clocks
- clock-names
+ - interrupts
+ - interrupt-names
- resets
- reset-names





Best regards,
Samin