On Fri, Nov 20, 2015 at 03:05:02AM +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@xxxxxxxxx>
> ---
> .../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..67fba7f
> --- /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 {
I don't understand the full structure of USB blocks. Can you make the
example complete. All the blocks are a child of this node?
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "simple-bus";
> + ranges = <0x0 0x31020000 0x00001000>;
> +
> + usbclk: clock-controller@F00 {
lower case ^
> + compatible = "nxp,lpc3220-usb-clk";
> + reg = <0xF00 0x100>;
lower case
> + #clock-cells = <1>;
> + };
> + };
> --
> 2.1.4
>
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