linux-kernel - Re: Aw: Re: [PATCH v2 1/2] dt-bindings: mmc: mtk-sd: Add mt7988 SoC

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Message-ID: <f072a20b-abc1-4da9-b03c-fb384601bc52@collabora.com>
Date: Mon, 7 Oct 2024 12:12:53 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Frank Wunderlich <frank-w@...lic-files.de>
Cc: Frank Wunderlich <linux@...web.de>,
 Chaotian Jing <chaotian.jing@...iatek.com>,
 Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 Wenbin Mei <wenbin.mei@...iatek.com>, linux-mmc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 daniel@...rotopia.org, john@...ozen.org, eladwf@...il.com,
 ansuelsmth@...il.com
Subject: Re: Aw: Re: [PATCH v2 1/2] dt-bindings: mmc: mtk-sd: Add mt7988 SoC

Il 07/10/24 10:33, Frank Wunderlich ha scritto:
> Hi
> 
>> Gesendet: Montag, 07. Oktober 2024 um 10:00 Uhr
>> Von: "AngeloGioacchino Del Regno" <angelogioacchino.delregno@...labora.com>
>> Betreff: Re: [PATCH v2 1/2] dt-bindings: mmc: mtk-sd: Add mt7988 SoC
>>
>> Il 06/10/24 17:34, Frank Wunderlich ha scritto:
>>> From: Frank Wunderlich <frank-w@...lic-files.de>
>>>
>>> Add binding definitions for mmc on MT7988 SoC.
>>>
>>> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
>>> ---
>>> v2:
>>> - fixed minItems to 4
>>> ---
>>>    .../devicetree/bindings/mmc/mtk-sd.yaml       | 24 +++++++++++++++++++
>>>    1 file changed, 24 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> index c532ec92d2d9..7380f72ea189 100644
>>> --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> @@ -21,6 +21,7 @@ properties:
>>>              - mediatek,mt7620-mmc
>>>              - mediatek,mt7622-mmc
>>>              - mediatek,mt7986-mmc
>>> +          - mediatek,mt7988-mmc
>>>              - mediatek,mt8135-mmc
>>>              - mediatek,mt8173-mmc
>>>              - mediatek,mt8183-mmc
>>> @@ -263,6 +264,29 @@ allOf:
>>>                - const: bus_clk
>>>                - const: sys_cg
>>>
>>> +  - if:
>>> +      properties:
>>> +        compatible:
>>> +          contains:
>>> +            enum:
>>> +              - mediatek,mt7988-mmc
>>
>> Are you really sure that you can't reuse the MT7986 compatible?
> 
> have not found a way to reuse mt7986 binding because clock-config is different...
> from driver view we can use the mt7986 compatible, but from binding view it is different.
> 

Okay, that's fair.

> regards Frank
> 
>> Cheers,
>> Angelo
>>
>>> +    then:
>>> +      properties:
>>> +        clocks:
>>> +          minItems: 4
>>> +          items:
>>> +            - description: source clock
>>> +            - description: HCLK which used for host
>>> +            - description: Advanced eXtensible Interface
>>> +            - description: Advanced High-performance Bus clock
>>> +        clock-names:
>>> +          minItems: 3
>>> +          items:
>>> +            - const: source
>>> +            - const: hclk
>>> +            - const: axi_cg
>>> +            - const: ahb_cg
>>> +
>>>      - if:
>>>          properties:
>>>            compatible:
>>
>>
>>