[PATCH v2 2/5] dt-bindings: clock: add description of LPC32xx USB clock controller

[Rob Herring]

On Sun, Dec 06, 2015 at 12:45:54PM +0200, Vladimir Zapolskiy wrote:
> NXP LPC32xx USB controller has a subdevice, which controls USB AHB
> slave, USB OTG, USB OHCI, USB device and I2C controller to USB phy
> clocks, this change adds description of the clock controller, for more
> details reference LPC32xx User's Manual, namely USB control, OTG clock
> control and OTG clock status registers.
> 
> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
> ---
> Changes from v1 to v2:
> - use lowercase hex numbers in a DT binding example

Acked-by: Rob Herring <robh at kernel.org>

> 
>  .../bindings/clock/nxp,lpc3220-usb-clk.txt         | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/nxp,lpc3220-usb-clk.txt
> 
> diff --git a/Documentation/devicetree/bindings/clock/nxp,lpc3220-usb-clk.txt b/Documentation/devicetree/bindings/clock/nxp,lpc3220-usb-clk.txt
> new file mode 100644
> index 0000000..0aa2494
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/nxp,lpc3220-usb-clk.txt
> @@ -0,0 +1,22 @@
> +NXP LPC32xx USB Clock Controller
> +
> +Required properties:
> +- compatible: should be "nxp,lpc3220-usb-clk"
> +- reg:  should contain clock controller registers location and length
> +- #clock-cells: must be 1, the cell holds id of a clock provided by the
> +  USB clock controller
> +
> +Examples:
> +
> +	usb {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "simple-bus";
> +		ranges = <0x0 0x31020000 0x00001000>;
> +
> +		usbclk: clock-controller at f00 {
> +			compatible = "nxp,lpc3220-usb-clk";
> +			reg = <0xf00 0x100>;
> +			#clock-cells = <1>;
> +		};
> +	};
> -- 
> 2.1.4
>