linux-kernel - Re: [PATCH 1/9] dt-bindings: phy: qcom,uniphy: Rename ipq4019 usb PHY to UNIPHY

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Date:   Thu, 31 Aug 2023 17:23:55 +0530
From:   Praveenkumar I <quic_ipkumar@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC:     <robert.marko@...tura.hr>, <luka.perkov@...tura.hr>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <gregkh@...uxfoundation.org>, <catalin.marinas@....com>,
        <will@...nel.org>, <p.zabel@...gutronix.de>, <arnd@...db.de>,
        <geert+renesas@...der.be>, <nfraprado@...labora.com>,
        <rafal@...ecki.pl>, <peng.fan@....com>, <quic_wcheng@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <quic_varada@...cinc.com>
Subject: Re: [PATCH 1/9] dt-bindings: phy: qcom,uniphy: Rename ipq4019 usb PHY
 to UNIPHY


On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote:
> On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@...cinc.com> wrote:
>> UNIPHY / Combo PHY used on various qualcomm SoC's are very similar to
>> ipq4019 PHY. Hence renaming this dt-binding to uniphy dt-binding and
>> can be used for other qualcomm SoCs which are having similar UNIPHY.
>>
>> Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.com>
>> ---
>>   .../phy/{qcom-usb-ipq4019-phy.yaml => qcom,uniphy.yaml}  | 9 +++++++--
>>   1 file changed, 7 insertions(+), 2 deletions(-)
>>   rename Documentation/devicetree/bindings/phy/{qcom-usb-ipq4019-phy.yaml => qcom,uniphy.yaml} (78%)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
>> similarity index 78%
>> rename from Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml
>> rename to Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
>> index 09c614952fea..cbe2cc820009 100644
>> --- a/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml
>> +++ b/Documentation/devicetree/bindings/phy/qcom,uniphy.yaml
>> @@ -1,13 +1,18 @@
>>   # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>   %YAML 1.2
>>   ---
>> -$id: http://devicetree.org/schemas/phy/qcom-usb-ipq4019-phy.yaml#
>> +$id: http://devicetree.org/schemas/phy/qcom,uniphy.yaml#
>>   $schema: http://devicetree.org/meta-schemas/core.yaml#
>>
>> -title: Qualcom IPQ40xx Dakota HS/SS USB PHY
>> +title: Qualcomm UNIPHY
> We know that UNIPHY was a common design / IP block used for APQ8064
> SATA and MSM8974 DSI and HDMI PHYs. Is this the same design, or was
> the name reused by the Qualcomm for some other PHYs?
> Several latest generations have USB QMP PHYs which are called 'uni-phy'.
This PHY is build on top of QCA Uniphy 22ull. A combo PHY used between 
USB Gen3 / PCIe Gen3 controller.
It is different from USB QMP PHYs.

- Praveenkumar
>>   maintainers:
>>     - Robert Marko <robert.marko@...tura.hr>
>> +  - Praveenkumar I <quic_ipkumar@...cinc.com>
>> +
>> +description:
>> +  UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on
>> +  Qualcomm chipsets.
>>
>>   properties:
>>     compatible:
>> --
>> 2.34.1
>>
>