linux-kernel - Re: [PATCH v5 1/4] dt-bindings: Add Broadcom STB USB support

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Date:   Wed, 29 Apr 2020 16:13:02 -0500
From:   Rob Herring <robh@...nel.org>
To:     Al Cooper <alcooperx@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Alan Stern <stern@...land.harvard.edu>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-usb@...r.kernel.org, Mathias Nyman <mathias.nyman@...el.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v5 1/4] dt-bindings: Add Broadcom STB USB support

On Wed, Apr 29, 2020 at 04:08:23PM -0400, Al Cooper wrote:
> Add DT bindings for Broadcom STB USB EHCI and XHCI drivers.
> 
> NOTE: The OHCI driver is not included because it uses the generic
>       platform driver.
> 
> Signed-off-by: Al Cooper <alcooperx@...il.com>
> ---
>  .../bindings/usb/brcm,bcm7445-ehci.yaml       | 60 +++++++++++++++++++
>  .../devicetree/bindings/usb/usb-xhci.txt      |  1 +
>  2 files changed, 61 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> new file mode 100644
> index 000000000000..7c67f7dd7a67
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/brcm,bcm7445-ehci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom STB USB EHCI Controller Device Tree Bindings
> +
> +allOf:
> +  - $ref: "usb-hcd.yaml"
> +
> +maintainers:
> +  - Al Cooper <alcooperx@...il.com>
> +
> +properties:
> +  compatible:
> +    contains:

Drop contains. Other strings present are not allowed.

With that,

Reviewed-by: Rob Herring <robh@...nel.org>

> +      const: brcm,bcm7445-ehci
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: Clock specifier for the EHCI clock
> +
> +  clock-names:
> +    const: sw_usb
> +
> +  phys:
> +    maxItems: 1
> +
> +  phy-names:
> +    const: usbphy
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - phys
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    usb@...00300 {
> +        compatible = "brcm,bcm7445-ehci";
> +        reg = <0xf0b00300 0xa8>;
> +        interrupts = <0x0 0x5a 0x0>;
> +        phys = <&usbphy_0 0x0>;
> +        phy-names = "usbphy";
> +        clocks = <&usb20>;
> +        clock-names = "sw_usb";
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index dc025f126d71..23e89d798b1b 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -24,6 +24,7 @@ Required properties:
>        device
>      - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 or RZ/G2 compatible
>        device
> +    - "brcm,bcm7445-xhci" for Broadcom STB SoCs with XHCI
>      - "xhci-platform" (deprecated)
>  
>      When compatible with the generic version, nodes must list the
> -- 
> 2.17.1
>