linux-kernel - Re: [PATCH v4 5/7] dt-bindings: usb: Add StarFive JH7110 USB Bindings YAML schemas

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Date:   Thu, 13 Apr 2023 18:42:28 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Conor Dooley <conor@...nel.org>,
        "Vinod Koul" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pawel Laszczak <pawell@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <peter.chen@...nel.org>,
        Roger Quadros <rogerq@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <linux-usb@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Mason Huo" <mason.huo@...rfivetech.com>
Subject: Re: [PATCH v4 5/7] dt-bindings: usb: Add StarFive JH7110 USB Bindings
 YAML schemas



On 2023/4/12 16:32, Krzysztof Kozlowski wrote:
> On 06/04/2023 03:52, Minda Chen wrote:
>> StarFive JH7110 platforms USB have a wrapper module around
>> the Cadence USBSS-DRD controller. Add binding information doc
>> for that.
> 
> That's one of the most redundant subjects I saw. You basically used four
> words for one meaning. These are not exactly synonyms, but they all are
> either imprecise or meaning the same.
> 
> Subject: drop second/last, redundant "Bindings YAML schemas". The
> "dt-bindings" prefix is already stating that these are bindings.
> 
> 
ok
> 
>> 
>> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
>> Reviewed-by: Peter Chen <peter.chen@...nel.org>
>> ---
>>  .../bindings/usb/starfive,jh7110-usb.yaml     | 136 ++++++++++++++++++
>>  1 file changed, 136 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml
>> 
>> diff --git a/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml
>> new file mode 100644
>> index 000000000000..c8b30b583854
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml
>> @@ -0,0 +1,136 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/usb/starfive,jh7110-usb.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: StarFive JH7110 wrapper module for the Cadence USBSS-DRD controller
> 
> What do you wrap here? Are you sure this is a wrapper? I think this is
> just USB controller?
> 
Since the previous version is wrapper module. I forgot change this.
I will change to "StarFive JH7110 Cadence USBSS-DRD SoC controller"
>> +
>> +maintainers:
>> +  - Minda Chen <minda.chen@...rfivetech.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: starfive,jh7110-usb
>> +
>> +  reg:
>> +    items:
>> +      - description: OTG controller registers
>> +      - description: XHCI Host controller registers
>> +      - description: DEVICE controller registers
>> +
>> +  reg-names:
>> +    items:
>> +      - const: otg
>> +      - const: xhci
>> +      - const: dev
>> +
>> +  interrupts:
>> +    items:
>> +      - description: XHCI host controller interrupt
>> +      - description: Device controller interrupt
>> +      - description: OTG/DRD controller interrupt
>> +
>> +  interrupt-names:
>> +    items:
>> +      - const: host
>> +      - const: peripheral
>> +      - const: otg
>> +
>> +  clocks:
>> +    items:
>> +      - description: lpm clock
>> +      - description: stb clock
>> +      - description: apb clock
>> +      - description: axi clock
>> +      - description: utmi apb clock
>> +
>> +  clock-names:
>> +    items:
>> +      - const: lpm
>> +      - const: stb
>> +      - const: apb
>> +      - const: axi
>> +      - const: utmi_apb
>> +
>> +  resets:
>> +    items:
>> +      - description: PWRUP reset
>> +      - description: APB clock reset
>> +      - description: AXI clock reset
>> +      - description: UTMI_APB clock reset
>> +
>> +  reset-names:
>> +    items:
>> +      - const: pwrup
>> +      - const: apb
>> +      - const: axi
>> +      - const: utmi
>> +
>> +  starfive,stg-syscon:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    items:
>> +      items:
> 
> Same problem as for other patches.
> 
I am sorry about this. I should change this in this version.
PCIe PHY dt-binding doc will be also changed. 
>> +        - description: phandle to System Register Controller stg_syscon node.
>> +        - description: register offset of STG_SYSCONSAIF__SYSCFG register for USB.
>> +    description:
>> +      The phandle to System Register Controller syscon node and the offset
>> +      of STG_SYSCONSAIF__SYSCFG register for USB.
>> +
> 
> 
> Best regards,
> Krzysztof
>