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

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Date:   Tue, 29 Aug 2023 17:19:43 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Praveenkumar I <quic_ipkumar@...cinc.com>
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 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'.

>
>  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
>


-- 
With best wishes
Dmitry