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From: Rob Herring <robh@kernel.org>
To: Biju Das <biju.das.jz@bp.renesas.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Biju Das <biju.das@bp.renesas.com>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 06/11] dt-bindings: usb: generic-ohci: Document RZ/G2L SoC bindings
Date: Tue, 22 Jun 2021 13:30:43 -0600	[thread overview]
Message-ID: <20210622193043.GA4176942@robh.at.kernel.org> (raw)
In-Reply-To: <20210621093943.12143-7-biju.das.jz@bp.renesas.com>

On Mon, Jun 21, 2021 at 10:39:38AM +0100, Biju Das wrote:
> Renesas RZ/G2L SoC has USBPHY Control and USB2.0 PHY module. We need to
> turn on both these phy modules before accessing host registers.
> 
> Apart from this, document the optional property dr_mode present on both
> RZ/G2 and R-Car Gen3 SoCs.
> 
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
>  .../devicetree/bindings/usb/generic-ohci.yaml | 32 +++++++++++++++++--
>  1 file changed, 30 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> index 0f5f6ea702d0..c0644fae5db9 100644
> --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> @@ -8,6 +8,26 @@ title: USB OHCI Controller Device Tree Bindings
>  
>  allOf:
>    - $ref: "usb-hcd.yaml"
> +  - if:
> +      properties:
> +        compatible:
> +            contains:
> +              const: renesas,r9a07g044-ohci
> +    then:
> +      properties:
> +        phys:
> +          maxItems: 2
> +        phy-names:
> +          items:
> +            - const: usbphyctrl
> +            - const: usb

Why can't your extra thing be last? Then you only need to set 
minItems/maxItems in the if/then schema.

Though this seems like an abuse of the phy binding. There's not 2 phys, 
right? Just some extra registers related to the phy? Can't it be hidden 
in your phy driver?

> +    else:
> +      properties:
> +        phys:
> +          maxItems: 1
> +        phy-names:
> +          items:
> +            - const: usb
>  
>  maintainers:
>    - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> @@ -43,6 +63,7 @@ properties:
>                - brcm,bcm7435-ohci
>                - ibm,476gtr-ohci
>                - ingenic,jz4740-ohci
> +              - renesas,r9a07g044-ohci
>                - snps,hsdk-v1.0-ohci
>            - const: generic-ohci
>        - const: generic-ohci
> @@ -101,14 +122,21 @@ properties:
>        Overrides the detected port count
>  
>    phys:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    phy-names:
> -    const: usb
> +    minItems: 1
> +    maxItems: 2
>  
>    iommus:
>      maxItems: 1
>  
> +  dr_mode:
> +    enum:
> +      - host
> +      - otg
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.17.1
> 
> 

  parent reply	other threads:[~2021-06-22 19:31 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21  9:39 [PATCH v2 00/11] Add USB2.0 support Biju Das
2021-06-21  9:39 ` [PATCH v2 01/11] dt-bindings: phy: renesas: Document RZ/G2L USB PHY Control bindings Biju Das
2021-06-21 17:40   ` Rob Herring
2021-06-22 16:58   ` Rob Herring
2021-06-23 13:38     ` Biju Das
2021-06-23 14:13       ` Rob Herring
2021-06-23 14:29         ` Geert Uytterhoeven
2021-06-23 15:45         ` Biju Das
2021-06-25 10:11           ` Biju Das
2021-06-21  9:39 ` [PATCH v2 02/11] drivers: clk: renesas: r9a07g044-cpg: Add USB clocks Biju Das
2021-06-21  9:39 ` [PATCH v2 03/11] phy: renesas: Add RZ/G2L usb phy control driver Biju Das
2021-06-21  9:39 ` [PATCH v2 04/11] arm64: configs: defconfig: Enable RZ/G2L USB PHY " Biju Das
2021-06-21  9:39 ` [PATCH v2 05/11] dt-bindings: phy: renesas,usb2-phy: Document RZ/G2L phy bindings Biju Das
2021-06-22 15:33   ` Geert Uytterhoeven
2021-06-21  9:39 ` [PATCH v2 06/11] dt-bindings: usb: generic-ohci: Document RZ/G2L SoC bindings Biju Das
2021-06-21 17:40   ` Rob Herring
2021-06-22 10:03     ` Biju Das
2021-06-22 19:30   ` Rob Herring [this message]
2021-06-23 14:20     ` Biju Das
2021-06-21  9:39 ` [PATCH v2 07/11] dt-bindings: usb: generic-ehci: " Biju Das
2021-06-21 17:40   ` Rob Herring
2021-06-22 10:04     ` Biju Das
2021-06-21  9:39 ` [PATCH v2 08/11] arm64: dts: renesas: r9a07g044: Add USB2.0 phy and host support Biju Das
2021-06-21  9:39 ` [PATCH v2 09/11] dt-bindings: usb: renesas,usbhs: Document RZ/G2L bindings Biju Das
2021-06-21  9:39 ` [PATCH v2 10/11] phy: renesas: phy-rcar-gen3-usb2: Add OTG support for RZ/G2L Biju Das
2021-06-22 15:29   ` Geert Uytterhoeven
2021-06-23  7:04     ` Yoshihiro Shimoda
2021-06-23 11:52     ` Biju Das
2021-06-23  8:02   ` Yoshihiro Shimoda
2021-06-23 11:54     ` Biju Das
2021-06-21  9:39 ` [PATCH v2 11/11] arm64: dts: renesas: r9a07g044: Add USB2.0 device support Biju Das

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