linux-kernel - Re: [PATCH v2 11/17] dt-bindings: usb: add bindings for microchip mpfs musb

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Message-ID: <YcHXhyYhFfPty7mA@robh.at.kernel.org>
Date:   Tue, 21 Dec 2021 09:32:55 -0400
From:   Rob Herring <robh@...nel.org>
To:     conor.dooley@...rochip.com
Cc:     linus.walleij@...aro.org, bgolaszewski@...libre.com,
        jassisinghbrar@...il.com, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu, a.zummo@...ertech.it,
        alexandre.belloni@...tlin.com, broonie@...nel.org,
        gregkh@...uxfoundation.org, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-crypto@...r.kernel.org, linux-rtc@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-usb@...r.kernel.org,
        krzysztof.kozlowski@...onical.com, geert@...ux-m68k.org,
        bin.meng@...driver.com, heiko@...ech.de, lewis.hanly@...rochip.com,
        daire.mcnamara@...rochip.com, ivan.griffin@...rochip.com,
        atish.patra@....com
Subject: Re: [PATCH v2 11/17] dt-bindings: usb: add bindings for microchip
 mpfs musb

On Fri, Dec 17, 2021 at 09:33:19AM +0000, conor.dooley@...rochip.com wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> Add device tree bindings for the usb controller on
> the Microchip PolarFire SoC.
> 
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
>  .../bindings/usb/microchip,mpfs-musb.yaml     | 61 +++++++++++++++++++
>  1 file changed, 61 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
> new file mode 100644
> index 000000000000..eec918046c73
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/microchip,mpfs-musb.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip MPFS USB Controller Device Tree Bindings
> +
> +maintainers:
> +  - Conor Dooley <conor.dooley@...rochip.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,mpfs-musb
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    minItems: 2
> +    maxItems: 2
> +
> +  interrupt-names:
> +    items:
> +      - const: dma
> +      - const: mc
> +
> +  clocks:
> +    maxItems: 1
> +
> +  dr_mode:
> +    enum:
> +      - host
> +      - otg
> +      - peripheral

Reference usb-drd.yaml and you can drop this.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +  - clocks
> +  - dr_mode
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include "dt-bindings/clock/microchip,mpfs-clock.h"
> +    usb: usb@...01000 {

Drop unused labels.

> +        compatible = "microchip,mpfs-musb";
> +        reg = <0x20201000 0x1000>;
> +        clocks = <&clkcfg CLK_USB>;
> +        interrupt-parent = <&plic>;
> +        interrupts = <86>, <87>;
> +        interrupt-names = "dma","mc";

space                              ^

> +        dr_mode = "host";
> +    };
> +
> +...
> -- 
> 2.33.1
> 
>