| Message ID | 20230829135818.2219438-2-quic_ipkumar@quicinc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Enable USB3 for IPQ5332 | expand |
On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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@sartura.hr> > + - Praveenkumar I <quic_ipkumar@quicinc.com> > + > +description: > + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on > + Qualcomm chipsets. > > properties: > compatible: > -- > 2.34.1 >
On 29/08/2023 15:58, Praveenkumar I 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. That's not the reason to rename it. Keep the old name. Best regards, Krzysztof
On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote: > On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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@sartura.hr> >> + - Praveenkumar I <quic_ipkumar@quicinc.com> >> + >> +description: >> + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on >> + Qualcomm chipsets. >> >> properties: >> compatible: >> -- >> 2.34.1 >> >
On Thu, 31 Aug 2023 at 14:54, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: > > > On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote: > > On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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. So we have now three different items called Qualcomm uniphy. Could you please add some distinctive name? > > - Praveenkumar > >> maintainers: > >> - Robert Marko <robert.marko@sartura.hr> > >> + - Praveenkumar I <quic_ipkumar@quicinc.com> > >> + > >> +description: > >> + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on > >> + Qualcomm chipsets. > >> > >> properties: > >> compatible: > >> -- > >> 2.34.1 > >> > >
On 8/31/2023 5:47 PM, Dmitry Baryshkov wrote: > On Thu, 31 Aug 2023 at 14:54, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: >> >> On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote: >>> On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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. > So we have now three different items called Qualcomm uniphy. Could you > please add some distinctive name? There is one more target called IPQ5018 which is also having similar USB PHY built on top of Uniphy 28nm LP. That also can leverage this upcoming IPQ5332 USB PHY driver. Considering that, given a common name 'uniphy'. - Praveenkumar > >> - Praveenkumar >>>> maintainers: >>>> - Robert Marko <robert.marko@sartura.hr> >>>> + - Praveenkumar I <quic_ipkumar@quicinc.com> >>>> + >>>> +description: >>>> + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on >>>> + Qualcomm chipsets. >>>> >>>> properties: >>>> compatible: >>>> -- >>>> 2.34.1 >>>> > >
On Thu, 31 Aug 2023 at 15:30, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: > > > On 8/31/2023 5:47 PM, Dmitry Baryshkov wrote: > > On Thu, 31 Aug 2023 at 14:54, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: > >> > >> On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote: > >>> On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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. > > So we have now three different items called Qualcomm uniphy. Could you > > please add some distinctive name? > There is one more target called IPQ5018 which is also having similar USB > PHY built on top of > Uniphy 28nm LP. That also can leverage this upcoming IPQ5332 USB PHY > driver. Considering that, > given a common name 'uniphy'. Just to verify, do we mean the same thing, when speaking about the 28nm LP UNIPHY? I was referencing the apq8064 SATA and msm8974 HDMI / DSI PHYs. See [1] and [2]. [1] https://patchwork.freedesktop.org/patch/544131/?series=118210&rev=2 [2] https://patchwork.freedesktop.org/patch/544125/?series=118210&rev=2 > > - Praveenkumar > > > >> - Praveenkumar > >>>> maintainers: > >>>> - Robert Marko <robert.marko@sartura.hr> > >>>> + - Praveenkumar I <quic_ipkumar@quicinc.com> > >>>> + > >>>> +description: > >>>> + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on > >>>> + Qualcomm chipsets. > >>>> > >>>> properties: > >>>> compatible: > >>>> -- > >>>> 2.34.1 > >>>> > > > >
On 8/31/2023 6:04 PM, Dmitry Baryshkov wrote: > On Thu, 31 Aug 2023 at 15:30, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: >> >> On 8/31/2023 5:47 PM, Dmitry Baryshkov wrote: >>> On Thu, 31 Aug 2023 at 14:54, Praveenkumar I <quic_ipkumar@quicinc.com> wrote: >>>> On 8/29/2023 7:49 PM, Dmitry Baryshkov wrote: >>>>> On Tue, 29 Aug 2023 at 16:59, Praveenkumar I <quic_ipkumar@quicinc.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@quicinc.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. >>> So we have now three different items called Qualcomm uniphy. Could you >>> please add some distinctive name? >> There is one more target called IPQ5018 which is also having similar USB >> PHY built on top of >> Uniphy 28nm LP. That also can leverage this upcoming IPQ5332 USB PHY >> driver. Considering that, >> given a common name 'uniphy'. > Just to verify, do we mean the same thing, when speaking about the > 28nm LP UNIPHY? > I was referencing the apq8064 SATA and msm8974 HDMI / DSI PHYs. See [1] and [2]. > > [1] https://patchwork.freedesktop.org/patch/544131/?series=118210&rev=2 > [2] https://patchwork.freedesktop.org/patch/544125/?series=118210&rev=2 No, this seems different from the PHY used on IPQ5018 / IPQ5332. PHY in QualcommIPQ targets requires minimal SW configuration for the bring up. >> - Praveenkumar >>>> - Praveenkumar >>>>>> maintainers: >>>>>> - Robert Marko <robert.marko@sartura.hr> >>>>>> + - Praveenkumar I <quic_ipkumar@quicinc.com> >>>>>> + >>>>>> +description: >>>>>> + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on >>>>>> + Qualcomm chipsets. >>>>>> >>>>>> properties: >>>>>> compatible: >>>>>> -- >>>>>> 2.34.1 >>>>>> >>> > >
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 maintainers: - Robert Marko <robert.marko@sartura.hr> + - Praveenkumar I <quic_ipkumar@quicinc.com> + +description: + UNIPHY / COMBO PHY supports physical layer functionality for USB and PCIe on + Qualcomm chipsets. properties: compatible:
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@quicinc.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%)