Commit d3efc5ac authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Michael Turquette
Browse files

dt-bindings: clock: add description of LPC32xx USB clock controller 



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: default avatarVladimir Zapolskiy <vz@mleia.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMichael Turquette <mturquette@baylibre.com>
parent 92e16f0f

Documentation/devicetree/bindings/clock/nxp,lpc3220-usb-clk.txt

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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@f00 {

			compatible = "nxp,lpc3220-usb-clk";

			reg = <0xf00 0x100>;

			#clock-cells = <1>;

		};

	};

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