linux-kernel - Re: [PATCH v2 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB phy

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Date:   Thu, 22 Jun 2023 08:46:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        vkoul@...nel.org, kishon@...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, neil.armstrong@...aro.org,
        nfraprado@...labora.com, broonie@...nel.org, rafal@...ecki.pl,
        quic_srichara@...cinc.com, quic_varada@...cinc.org,
        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
Subject: Re: [PATCH v2 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB
 phy

On Thu, Jun 22, 2023 at 11:52:09AM +0530, Varadarajan Narayanan wrote:
> Document the M31 USB2 phy present in IPQ5332.
> 
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> v1:
> 	Rename qcom,m31.yaml -> qcom,ipq5332-usb-hsphy.yaml
> 	Drop default binding "m31,usb-hsphy"
> 	Add clock
> 	Remove 'oneOf' from compatible
> 	Remove 'qscratch' region from register space as it is not needed
> 	Remove reset-names
> 	Fix the example definition
> ---
>  .../bindings/phy/qcom,ipq5332-usb-hsphy.yaml       | 51 ++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml
> new file mode 100644
> index 0000000..ab2e945
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/qcom,ipq5332-usb-hsphy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: M31 (https://www.m31tech.com) USB PHY

Put the URL in 'description'.

> +
> +maintainers:
> +  - Sricharan Ramabadhran <quic_srichara@...cinc.com>
> +  - Varadarajan Narayanan <quic_varada@...cinc.org>

.org? It's .com everywhere else.

> +
> +description:
> +  USB M31 PHY found in Qualcomm IPQ5018, IPQ5332 SoCs.

Where's the IPQ5018 compatible?

> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - qcom,ipq5332-usb-hsphy
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    maxItems: 1
> +    contains:

'contains' is not appropriate here. Drop.
> +      items:
> +        - const: cfg_ahb

Don't need both items list and maxItems. Really, you don't need 
'clock-names' at all because there is only 1 clock.

> +
> +  resets:
> +    maxItems: 1
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
> +    usbphy0: ipq5332-hsphy@...00 {

Drop unused labels.

> +    	compatible = "qcom,ipq5332-usb-hsphy";
> +    	reg = <0x0007b000 0x12c>;
> +
> +    	clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
> +    	clock-names = "cfg_ahb";
> +
> +    	resets = <&gcc GCC_QUSB2_0_PHY_BCR>;

Whitespace errors in here.

> +    };
> +
> -- 
> 2.7.4
>