Re: [PATCH 2/8] usb: bdc: Add Device Tree binding document for Broadcom BDC driver

From: Rob Herring
Date: Thu Jul 06 2017 - 10:18:51 EST


On Tue, Jun 27, 2017 at 02:23:20PM -0400, Al Cooper wrote:
> Add Device Tree binding document for Broadcom USB Device
> Controller (BDC).
>
> Signed-off-by: Al Cooper <alcooperx@xxxxxxxxx>
> ---
> .../devicetree/bindings/usb/brcm,bdc-udc.txt | 28 ++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/brcm,bdc-udc.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/brcm,bdc-udc.txt b/Documentation/devicetree/bindings/usb/brcm,bdc-udc.txt
> new file mode 100644
> index 0000000..4eeaddb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/brcm,bdc-udc.txt
> @@ -0,0 +1,28 @@
> +Broadcom USB Device Controller (BDC)
> +====================================
> +
> +Required properties:
> +
> +- compatible: must be one of:
> + "brcm,bdc-udc-v0.16"
> + "brcm,bdc-udc"

Isn't "bdc-udc" redundant?

Where does the version number come from?

> +- reg: the base register address and length
> +- interrupts: ther interrupt line for this controller

s/ther/the/

> +
> +Optional properties:
> +
> +On Broadcom STB platforms, these properties are required:
> +
> +- phys: phandle to the USB PHY blocks

How many?

> +- clocks: phandle to the functional clock of this block
> +
> +Example:
> +
> + udc@f0b02000 {
> + status = "disabled";

Don't show status in examples.

> + compatible = "brcm,bdc-udc-v0.16";
> + reg = <0xf0b02000 0xfc4>;
> + interrupts = <0x0 0x60 0x0>;
> + phys = <&usbphy_0 0x0>;
> + clocks = <&sw_usbd>;
> + };
> --
> 1.9.0.138.g2de3478
>