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Message-ID: <132e9514-7eb9-8915-6130-5bf656c1aaac@linaro.org>
Date:   Mon, 17 Jul 2023 09:25:14 +0200
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Subject: Re: [PATCH v2 2/6] dt-bindings: phy: qcom,qmp: Add sa8775p QMP PCIe
 PHY
Content-Language: en-US
To:     Mrinmay Sarkar <quic_msarkar@quicinc.com>, agross@kernel.org,
        andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, konrad.dybcio@linaro.org, mani@kernel.org
Cc:     quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com,
        quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com,
        dmitry.baryshkov@linaro.org,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= <kw@linux.com>,
        Rob Herring <robh@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Vinod Koul <vkoul@kernel.org>,
        Kishon Vijay Abraham I <kishon@kernel.org>,
        linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-phy@lists.infradead.org
References: <1689311319-22054-1-git-send-email-quic_msarkar@quicinc.com>
 <1689311319-22054-3-git-send-email-quic_msarkar@quicinc.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <1689311319-22054-3-git-send-email-quic_msarkar@quicinc.com>
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On 14/07/2023 07:08, Mrinmay Sarkar wrote:
> Add devicetree YAML binding for Qualcomm QMP PCIe PHY
> for SA8775p platform.
> 
> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
> ---
>  .../bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml      | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> index a0407fc..ca55ed9 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> @@ -16,6 +16,8 @@ description:
>  properties:
>    compatible:
>      enum:
> +      - qcom,sa8775p-qmp-gen4x2-pcie-phy
> +      - qcom,sa8775p-qmp-gen4x4-pcie-phy
>        - qcom,sc8280xp-qmp-gen3x1-pcie-phy
>        - qcom,sc8280xp-qmp-gen3x2-pcie-phy
>        - qcom,sc8280xp-qmp-gen3x4-pcie-phy
> @@ -30,7 +32,7 @@ properties:
>  
>    clocks:
>      minItems: 5
> -    maxItems: 6
> +    maxItems: 7
>  
>    clock-names:
>      minItems: 5
> @@ -41,6 +43,7 @@ properties:
>        - const: rchng
>        - const: pipe
>        - const: pipediv2
> +      - const: phy_aux
>  
>    power-domains:
>      maxItems: 1
> @@ -141,6 +144,20 @@ allOf:
>          compatible:
>            contains:
>              enum:
> +              - qcom,sa8775p-qmp-gen4x2-pcie-phy
> +              - qcom,sa8775p-qmp-gen4x4-pcie-phy
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 7
> +        clock-names:
> +          minItems: 7
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:

This probably works but is not obvious and easy to read. You have here
if:then:else: block, so else applies to your variant. Change all these
if clauses for clocks into separate clauses per matching variant
(if:then: ... if:then:... if:then:...)

Best regards,
Krzysztof