linux-kernel - Re: [RFC PATCH 2/9] dt-bindings: phy: phy-rockchip-inno-usb2: add rk3568 documentation

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Message-ID: <c7ea6f09-bed0-15d2-1124-44cf98898538@gmail.com>
Date:   Wed, 28 Jul 2021 17:14:00 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     Peter Geis <pgwipeout@...il.com>, Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org
Subject: Re: [RFC PATCH 2/9] dt-bindings: phy: phy-rockchip-inno-usb2: add
 rk3568 documentation

Hi Peter,

Some comments. Have a look if it's useful.

On 7/28/21 2:25 PM, Peter Geis wrote:
> The rk3568 usb2phy node is a standalone node with a single muxed
> interrupt.
> Add documentation for it to phy-rockchip-inno-usb2.
> 
> Signed-off-by: Peter Geis <pgwipeout@...il.com>
> ---
>  .../devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml   | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
> index 5bebd86bf8b6..f16fea5cad1c 100644
> --- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
> @@ -18,6 +18,7 @@ properties:
>        - rockchip,rk3328-usb2phy
>        - rockchip,rk3366-usb2phy
>        - rockchip,rk3399-usb2phy
> +      - rockchip,rk3568-usb2phy
>        - rockchip,rv1108-usb2phy
>  
>    reg:
> @@ -50,6 +51,9 @@ properties:
>      description:
>        Phandle to the extcon device providing the cable state for the otg phy.
>  

> +  interrupts:

> +    description: Muxed interrupt for both ports

My spelling checker suggest: Mixed. Don't know what's correct...

> +

For rk3568 only.
Could you test/use something like this?

if:
  properties:
    compatible:
      contains:
        const: rockchip,rk3568-usb2phy

then:
  properties:
    interrupts:
      maxItems: 1

  required:
       - interrupts

>    rockchip,usbgrf:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description:
> @@ -78,8 +82,6 @@ properties:
>  

>      required:
>        - "#phy-cells"
> -      - interrupts
> -      - interrupt-names

These are still required for other Rockchip SoCs.
Could you test/use something like this?

      if:
        properties:
          compatible:
            contains:
              const: rockchip,rk3568-usb2phy

      else:
        required:
          - interrupts
          - interrupt-names

>  
>    otg-port:
>      type: object
> @@ -109,8 +111,6 @@ properties:
>  

>      required:
>        - "#phy-cells"
> -      - interrupts
> -      - interrupt-names

dito

>  
>  required:
>    - compatible
>