From: "Arınç ÜNAL" <arinc.unal@arinc9.com>
To: Rob Herring <robh@kernel.org>
Cc: "Andrew Lunn" <andrew@lunn.ch>,
"Vivien Didelot" <vivien.didelot@gmail.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Vladimir Oltean" <olteanv@gmail.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"Sean Wang" <sean.wang@mediatek.com>,
"Landen Chao" <Landen.Chao@mediatek.com>,
"DENG Qingfang" <dqfext@gmail.com>,
"Frank Wunderlich" <frank-w@public-files.de>,
"Luiz Angelo Daros de Luca" <luizluca@gmail.com>,
"Sander Vanheule" <sander@svanheule.net>,
"René van Dorst" <opensource@vdorst.com>,
"Daniel Golle" <daniel@makrotopia.org>,
erkin.bozoglu@xeront.com,
"Sergio Paracuellos" <sergio.paracuellos@gmail.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/7] dt-bindings: net: dsa: mediatek,mt7530: fix reset lines
Date: Wed, 17 Aug 2022 01:25:44 +0300 [thread overview]
Message-ID: <87f7dd90-d6b3-dad6-fe46-0b4ce38d9c29@arinc9.com> (raw)
In-Reply-To: <20220816205228.GA2709277-robh@kernel.org>
On 16.08.2022 23:52, Rob Herring wrote:
> On Sat, Aug 13, 2022 at 06:44:10PM +0300, Arınç ÜNAL wrote:
>> - Fix description of mediatek,mcm. mediatek,mcm is not used on MT7623NI.
>> - Add description for reset-gpios.
>> - Invalidate reset-gpios if mediatek,mcm is used.
>> - Invalidate mediatek,mcm if the compatible device is mediatek,mt7531.
>> - Require mediatek,mcm for the described MT7621 SoCs as the compatible
>> string is only used for MT7530 which is a part of the multi-chip module.
>
> The commit message should answer 'why is this change needed/wanted?' not
> 'what changed'. I can read the diff to see what changed.
I'll explain why to invalidating reset-gpios and mediatek,mcm.
>
> d>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
>> ---
>> .../bindings/net/dsa/mediatek,mt7530.yaml | 31 +++++++++++++++++--
>> 1 file changed, 28 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> index edf48e917173..4c99266ce82a 100644
>> --- a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> +++ b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> @@ -110,11 +110,15 @@ properties:
>> mediatek,mcm:
>> type: boolean
>> description:
>> - if defined, indicates that either MT7530 is the part on multi-chip
>> - module belong to MT7623A has or the remotely standalone chip as the
>> - function MT7623N reference board provided for.
>> + Used for MT7621AT, MT7621DAT, MT7621ST and MT7623AI SoCs which the MT7530
>> + switch is a part of the multi-chip module.
>>
>> reset-gpios:
>> + description:
>> + GPIO to reset the switch. Use this if mediatek,mcm is not used.
>> + This property is optional because some boards share the reset line with
>> + other components which makes it impossible to probe the switch if the
>> + reset line is used.
>> maxItems: 1
>>
>> reset-names:
>> @@ -165,6 +169,9 @@ allOf:
>> required:
>> - mediatek,mcm
>> then:
>> + properties:
>> + reset-gpios: false
>> +
>> required:
>> - resets
>> - reset-names
>> @@ -182,6 +189,24 @@ allOf:
>> - core-supply
>> - io-supply
>>
>> + - if:
>> + properties:
>> + compatible:
>> + items:
>> + - const: mediatek,mt7531
>> + then:
>> + properties:
>> + mediatek,mcm: false
>> +
>> + - if:
>> + properties:
>> + compatible:
>> + items:
>> + - const: mediatek,mt7621
>> + then:
>> + required:
>> + - mediatek,mcm
>> +
>> unevaluatedProperties: false
>>
>> examples:
>> --
>> 2.34.1
>>
>>
next prev parent reply other threads:[~2022-08-16 22:26 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-13 15:44 [PATCH v2 0/7] completely rework mediatek,mt7530 binding Arınç ÜNAL
2022-08-13 15:44 ` [PATCH v2 1/7] dt-bindings: net: dsa: mediatek,mt7530: make trivial changes Arınç ÜNAL
2022-08-16 20:49 ` Rob Herring
2022-08-13 15:44 ` [PATCH v2 2/7] dt-bindings: net: dsa: mediatek,mt7530: fix reset lines Arınç ÜNAL
2022-08-16 20:52 ` Rob Herring
2022-08-16 22:25 ` Arınç ÜNAL [this message]
2022-08-13 15:44 ` [PATCH v2 3/7] dt-bindings: net: dsa: mediatek,mt7530: update examples Arınç ÜNAL
2022-08-16 21:02 ` Rob Herring
2022-08-16 22:15 ` Arınç ÜNAL
2022-08-13 15:44 ` [PATCH v2 4/7] dt-bindings: net: dsa: mediatek,mt7530: define port binding per compatible Arınç ÜNAL
2022-08-19 12:43 ` Krzysztof Kozlowski
2022-08-20 7:34 ` Arınç ÜNAL
2022-08-23 10:48 ` Krzysztof Kozlowski
2022-08-13 15:44 ` [PATCH v2 5/7] dt-bindings: net: dsa: mediatek,mt7530: remove unnecesary lines Arınç ÜNAL
2022-08-16 21:14 ` Rob Herring
2022-08-16 22:21 ` Arınç ÜNAL
2022-08-13 15:44 ` [PATCH v2 6/7] dt-bindings: net: dsa: mediatek,mt7530: define phy-mode for each compatible Arınç ÜNAL
2022-08-16 21:21 ` Rob Herring
2022-08-16 22:09 ` Arınç ÜNAL
2022-08-13 15:44 ` [PATCH v2 7/7] dt-bindings: net: dsa: mediatek,mt7530: update binding description Arınç ÜNAL
2022-08-16 21:25 ` Rob Herring
2022-08-16 21:53 ` Arınç ÜNAL
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