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Message-ID: <d4ea5877-b2e8-4cfe-9129-7fdae30adf20@quicinc.com>
Date:   Thu, 5 Oct 2023 08:23:02 +0530
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Subject: Re: [PATCH 1/6] dt-bindings: phy: qcom,uniphy-pcie: Document PCIe
 uniphy
Content-Language: en-US
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <lpieralisi@kernel.org>,
        <kw@linux.com>, <robh@kernel.org>, <bhelgaas@google.com>,
        <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
        <vkoul@kernel.org>, <kishon@kernel.org>, <mani@kernel.org>,
        <p.zabel@pengutronix.de>, <quic_srichara@quicinc.com>,
        <quic_varada@quicinc.com>, <quic_ipkumar@quicinc.com>,
        <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: <20231003120846.28626-1-quic_nsekar@quicinc.com>
 <20231003120846.28626-2-quic_nsekar@quicinc.com>
 <4bc021c1-0198-41a4-aa73-bf0cf0c0420a@linaro.org>
From:   Nitheesh Sekar <quic_nsekar@quicinc.com>
In-Reply-To: <4bc021c1-0198-41a4-aa73-bf0cf0c0420a@linaro.org>
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On 10/4/2023 12:27 PM, Krzysztof Kozlowski wrote:
> On 03/10/2023 14:08, Nitheesh Sekar wrote:
>> Document the Qualcomm UNIPHY PCIe 28LP present in IPQ5018.
>>
>> Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
> Thank you for your patch. There is something to discuss/improve.
Sure. Will learn and improve.
>
>
>> ---
>>   .../bindings/phy/qcom,uniphy-pcie-28lp.yaml   | 77 +++++++++++++++++++
>>   1 file changed, 77 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/phy/qcom,uniphy-pcie-28lp.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/qcom,uniphy-pcie-28lp.yaml b/Documentation/devicetree/bindings/phy/qcom,uniphy-pcie-28lp.yaml
>> new file mode 100644
>> index 000000000000..6b2574f9532e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/qcom,uniphy-pcie-28lp.yaml
> Filename should match compatibles and they do not use 28lp.
Sure. will remove the 28lp. added it based on the file name.
Is "qcom,uniphy-pcie.yaml" good ? Because this will be used for other 
SoCs as well which will have different compatibles. So i did not include 
the SoC name, lane and speed info which i have used int he compatible 
names.
>
>> @@ -0,0 +1,77 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/qcom,uniphy-pcie-28lp.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm UNIPHY PCIe 28LP PHY driver
> Driver as Linux driver? Drop. Describe the hardware instead.
>
>> +
>> +maintainers:
>> +  - Nitheesh Sekar <quic_nsekar@quicinc.com>
>> +  - Sricharan Ramabadhran <quic_srichara@quicinc.com>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,ipq5018-uniphy-pcie-gen2x1
>> +      - qcom,ipq5018-uniphy-pcie-gen2x2
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    items:
>> +      - const: pipe_clk
> Drop _clk... or even drop entire clock-names. Not needed for one entry.
Sure. Will drop "_clk" part.
>
>> +
>> +  resets:
>> +    maxItems: 2
>> +
>> +  reset-names:
>> +    items:
>> +      - const: phy
>> +      - const: phy_phy
> These are absolutely terrible names. If you have third one, it would be
> "phy_phy_phy"? Drop or provide something useful.
Sure. Will update.

Thanks,
Nitheesh