Re: [PATCH v3 1/5] dt-bindings: phy: qcom,uniphy-pcie: Document PCIe uniphy

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On Wed, Dec 18, 2024 at 11:28:18AM +0100, Krzysztof Kozlowski wrote:
> On Tue, Dec 17, 2024 at 03:33:55PM +0530, Varadarajan Narayanan wrote:
> > From: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx>
> >
> > Document the Qualcomm UNIPHY PCIe 28LP present in IPQ5332.
> >
> > Signed-off-by: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx>
> > Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> > ---
> > v3: Fix compatible string to be similar to other phys and rename file accordingly
> >     Fix clocks minItems -> maxItems
>
> I think there was just one clock, so you increased it to two.

IPQ5018 patch series had one clock. IPQ5332 introduced additional
clocks and it became four. Of the four clocks, two were NoC
related clocks. Since the NoC clocks are handled in icc-clk based
interconnect driver, have dropped those two and have incldued the
two here.

> >     Change one of the maintainer from Sricharan to Varadarajan
> >
> > v2: Rename the file to match the compatible
> >     Drop 'driver' from title
> >     Dropped 'clock-names'
> >     Fixed 'reset-names'
> > --
> >  .../phy/qcom,ipq5332-uniphy-pcie-phy.yaml     | 82 +++++++++++++++++++
> >  1 file changed, 82 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml
> > new file mode 100644
> > index 000000000000..0634d4fb85d1
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml
> > @@ -0,0 +1,82 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/phy/qcom,ipq5332-uniphy-pcie-phy.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm UNIPHY PCIe 28LP PHY
> > +
> > +maintainers:
> > +  - Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx>
> > +  - Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> > +
> > +description:
> > +  PCIe and USB combo PHY found in Qualcomm IPQ5332 SoC
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - qcom,ipq5332-uniphy-gen3x1-pcie-phy
> > +      - qcom,ipq5332-uniphy-gen3x2-pcie-phy
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 2
>
> I should have been more specific last time, but I assumed you will take
> other bindings as example.  well, so now proper review: you need to list
> tiems.

Sure.

> > +
> > +  resets:
> > +    minItems: 2
> > +    maxItems: 3
>
> No answer to my previous question. Question stands.

I assume this question:- "So where are three items?" [1]
Will remove this and list the items.

> > +
> > +  reset-names:
> > +    minItems: 2
> > +    items:
> > +      - const: phy
> > +      - const: phy_ahb
> > +      - const: phy_cfg
> > +
> > +  "#phy-cells":
> > +    const: 0
> > +
> > +  "#clock-cells":
> > +    const: 0
> > +
> > +  clock-output-names:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - resets
> > +  - reset-names
> > +  - clocks
>
> Keep the same order as in properties block.

Ok.

Thanks
Varada

1. https://lore.kernel.org/linux-arm-msm/c685ca4e-3992-4deb-adfb-da3bbcb59685@xxxxxxxxxx/




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