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Message-ID: <60221aab-d8da-9f0b-057b-e8a28840849f@linaro.org>
Date:   Tue, 22 Aug 2023 21:40:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chen-Yu Tsai <wenst@...omium.org>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Zhiyong Tao <zhiyong.tao@...iatek.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 05/11] regulator: dt-bindings: mediatek: Add MT6366
 PMIC

On 22/08/2023 21:39, Krzysztof Kozlowski wrote:
> On 22/08/2023 10:45, Chen-Yu Tsai wrote:
>> From: Zhiyong Tao <zhiyong.tao@...iatek.com>
>>
>> The MediaTek MT6366 PMIC is similar to the MT6358 PMIC. It is designed
>> to be paired with the MediaTek MT8186 SoC. It has 9 buck regulators and
>> 29 LDO regulators, not counting ones that feed internally and basically
>> have no controls. The regulators are named after their intended usage
>> for the SoC and system design, thus not named generically as ldoX or
>> dcdcX, but as vcn33 or vgpu.
>>
>> Add a binding document describing all the regulators and their supplies.
>>
>> Signed-off-by: Zhiyong Tao <zhiyong.tao@...iatek.com>
>> [wens@...omium.org: major rework and added commit message]
>> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
>> ---
>> Changes since v1:
>> - Replaced underscores in supply names to hyphens
>> - Merged with MT6358 regulator binding
>> - Added MT6358 fallback compatible to MT6366 regulator
>>
>> Changes since Zhiyong's last version (v4) [1]:
>> - simplified regulator names
>> - added descriptions to regulators
>> - removed bogus regulators (*_sshub)
>> - merged vcn33-wifi and vcn33-bt as vcn33
>> - added missing regulators (vm18, vmddr, vsram-core)
>> - cut down examples to a handful of cases and made them complete
>> - expanded commit message a lot
>>
>> [1] https://lore.kernel.org/linux-arm-kernel/20220823123745.14061-1-zhiyong.tao@mediatek.com/
>>  .../regulator/mediatek,mt6358-regulator.yaml  | 227 +++++++++++++-----
>>  1 file changed, 168 insertions(+), 59 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml
>> index 82328fe17680..b350181f33ff 100644
>> --- a/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml
>> +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6358-regulator.yaml
>> @@ -16,14 +16,18 @@ description: |
>>  
>>  properties:
>>    compatible:
>> -    const: mediatek,mt6358-regulator
>> +    oneOf:
>> +      - const: mediatek,mt6358-regulator
>> +      - items:
>> +          - const: mediatek,mt6366-regulator
>> +          - const: mediatek,mt6358-regulator
>>  
>>    vsys-ldo1-supply:
>>      description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28
>>    vsys-ldo2-supply:
>> -    description: Supply for LDOs vldo28, vio28, vmc, vmch, vsim2
>> +    description: Supply for LDOs vldo28 (MT6358 only), vio28, vmc, vmch, vsim2
>>    vsys-ldo3-supply:
>> -    description: Supply for LDOs vcn33, vcama1, vcama2, vemc, vibr
>> +    description: Supply for LDOs vcn33, vcama[12] (MT6358 only), vemc, vibr
>>    vsys-vcore-supply:
>>      description: Supply for buck regulator vcore
>>    vsys-vdram1-supply:
>> @@ -43,75 +47,138 @@ properties:
>>    vsys-vs2-supply:
>>      description: Supply for buck regulator vs2
>>    vs1-ldo1-supply:
>> -    description: Supply for LDOs vrf18, vefuse, vcn18, vcamio, vio18
>> +    description: Supply for LDOs vrf18, vefuse, vcn18, vcamio (MT6358 only), vio18
>>    vs2-ldo1-supply:
>> -    description: Supply for LDOs vdram2
>> +    description: Supply for LDOs vdram2, vmddr (MT6366 only)
>>    vs2-ldo2-supply:
>>      description: Supply for LDOs vrf12, va12
>>    vs2-ldo3-supply:
>> -    description: Supply for LDOs vsram-gpu, vsram-others, vsram-proc11, vsram-proc12
>> -  vs2-ldo4-supply:
>> -    description: Supply for LDO vcamd
>> -
>> -patternProperties:
>> -  "^buck_v(core|dram1|gpu|modem|pa|proc1[12]|s[12])$":
>> -    description: Buck regulators
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_v(a|rf)12":
>> -    description: LDOs with fixed 1.2V output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_v((aux|cn|io|rf)18|camio)":
>> -    description: LDOs with fixed 1.8V output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_vxo22":
>> -    description: LDOs with fixed 2.2V output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_v(aud|bif|cn|fe|io)28":
>> -    description: LDOs with fixed 2.8V output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_vusb":
>> -    description: LDOs with fixed 3.0V output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_vsram_(gpu|others|proc1[12])$":
>> -    description: LDOs with variable output
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
>> -
>> -  "^ldo_v(cama[12]|camd|cn33|dram2|efuse|emc|ibr|ldo28|mc|mch|sim[12])$":
>> -    description: LDOs with variable output and 0~100/10mV tuning
>> -    type: object
>> -    $ref: regulator.yaml#
>> -    unevaluatedProperties: false
> 
> I don't understand. You just added it and it is already wrong? Please,
> do not add code which is clearly incorrect.

Sent too early - anyway properties cannot be defined in allOf:. That's
not the place for them and there is no single reason for it. From which
regulator binding you got this example?

Best regards,
Krzysztof

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