linux-kernel - Re: [PATCH V2 4/6] dt-bindings: usb: ci-hdrc-usb2: convert to DT schema format

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Date:   Sat, 15 Oct 2022 10:58:49 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, xu.yang_2@....com
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        jun.li@....com, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V2 4/6] dt-bindings: usb: ci-hdrc-usb2: convert to DT
 schema format

On 14/10/2022 05:51, Peng Fan (OSS) wrote:


> +
> +  vbus-supply:
> +    description: reference to the VBUS regulator.
> +
> +  fsl,usbmisc:
> +    description:
> +      Phandler of non-core register device, with one argument that
> +      indicate usb controller index
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +
> +  disable-over-current:
> +    description: disable over current detect
> +
> +  over-current-active-low:
> +    description: over current signal polarity is active low

This is a friendly reminder during the review process.

It seems my previous comments were not fully addressed. Maybe my
feedback got lost between the quotes, maybe you just forgot to apply it.
Please go back to the previous discussion and either implement all
requested changes or keep discussing them.

Thank you.

> +
> +  over-current-active-high:
> +    description: |
> +      Over current signal polarity is active high. It's recommended to
> +      specify the over current polarity.
> +
> +  power-active-high:
> +    description: power signal polarity is active high
> +
> +  external-vbus-divider:
> +    description: enables off-chip resistor divider for Vbus
> +
> +  samsung,picophy-pre-emp-curr-control:
> +    description: |
> +      HS Transmitter Pre-Emphasis Current Control. This signal controls
> +      the amount of current sourced to the USB_OTG*_DP and USB_OTG*_DN
> +      pins after a J-to-K or K-to-J transition. The range is from 0x0 to
> +      0x3, the default value is 0x1. Details can refer to TXPREEMPAMPTUNE0
> +      bits of USBNC_n_PHY_CFG1.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0x0
> +    maximum: 0x3
> +
> +  samsung,picophy-dc-vol-level-adjust:
> +    description: |
> +      HS DC Voltage Level Adjustment. Adjust the high-speed transmitter DC
> +      level voltage. The range is from 0x0 to 0xf, the default value is
> +      0x3. Details can refer to TXVREFTUNE0 bits of USBNC_n_PHY_CFG1.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0x0
> +    maximum: 0xf
> +
> +  usb-phy:
> +    description: phandle for the PHY device. Use "phys" instead.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    deprecated: true
> +
> +  fsl,usbphy:
> +    description: phandle of usb phy that connects to the port. Use "phys" instead.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    deprecated: true
> +
> +patternProperties:
> +  "ethernet@[0-9a-f]$":
> +    description: The hard wired USB devices
> +    type: object
> +    $ref: /schemas/net/microchip,lan95xx.yaml
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +allOf:
> +  - $ref: usb-hcd.yaml#
> +  - $ref: usb-drd.yaml#
> +  - if:
> +      properties:
> +        mux-controls:
> +          true
> +    then:
> +      properties:
> +        mux-control-names:
> +          const: usb_switch

This is a friendly reminder during the review process.

It seems my previous comments were not fully addressed. Maybe my
feedback got lost between the quotes, maybe you just forgot to apply it.
Please go back to the previous discussion and either implement all
requested changes or keep discussing them.

Thank you.


Additionally: Blank line

> +  - if:
> +      properties:
> +        phy_type:
> +          const: hsic
> +
> +      required:
> +        - phy_type> +    then:
> +      properties:
> +        pinctrl-names:
> +          items:
> +            - const: idle
> +            - const: active
> +    else:
> +      properties:
> +        pinctrl-names:
> +          oneOf:
> +            - items:
> +                - const: default
> +                - enum:
> +                    - host
> +                    - device
> +            - items:
> +                - const: default

No, just minItems: 1

Additionally: blank line

> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - chipidea,usb2
> +              - lsi,zevio-usb
> +              - nvidia,tegra20-udc
> +              - nvidia,tegra30-udc
> +              - nvidia,tegra114-udc
> +              - nvidia,tegra124-udc
> +              - qcom,ci-hdrc
> +              - xlnx,zynq-usb-2.20a
> +    then:
> +      properties:
> +        fsl,usbmisc: false
> +        disable-over-current: false
> +        over-current-active-low: false
> +        over-current-active-high: false
> +        power-active-high: false
> +        external-vbus-divider: false
> +        samsung,picophy-pre-emp-curr-control: false
> +        samsung,picophy-dc-vol-level-adjust: false
> +


Best regards,
Krzysztof