On Tue, Jan 24, 2017 at 10:32:25AM +0800, Chen-Yu Tsai wrote:
> Add support for the USB clock controls found on the A80.
>
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
> .../devicetree/bindings/clock/sun9i-usb.txt | 24 ++++
> drivers/clk/sunxi-ng/Makefile | 1 +
> drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c | 144 +++++++++++++++++++++
> drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.h | 25 ++++
> include/dt-bindings/clock/sun9i-a80-usb.h | 59 +++++++++
> include/dt-bindings/reset/sun9i-a80-usb.h | 56 ++++++++
> 6 files changed, 309 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/sun9i-usb.txt
> create mode 100644 drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c
> create mode 100644 drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.h
> create mode 100644 include/dt-bindings/clock/sun9i-a80-usb.h
> create mode 100644 include/dt-bindings/reset/sun9i-a80-usb.h
>
> diff --git a/Documentation/devicetree/bindings/clock/sun9i-usb.txt b/Documentation/devicetree/bindings/clock/sun9i-usb.txt
> new file mode 100644
> index 000000000000..c2d38626eaaa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/sun9i-usb.txt
> @@ -0,0 +1,24 @@
> +Allwinner A80 USB Clock Control Binding
> +------------------------------------
> +
> +Required properties :
> +- compatible: must contain one of the following compatibles:
> + - "allwinner,sun9i-a80-usb-clocks"
> +
> +- reg: Must contain the registers base address and length
> +- clocks: phandle to the clocks feeding the USB subsystem. Two are needed:
> + - "bus": the bus clock for the whole USB subsystem
> + - "hosc": the high frequency oscillator (usually at 24MHz)
> +- clock-names: Must contain the clock names described just above
> +- #clock-cells : must contain 1
> +- #reset-cells : must contain 1
> +
> +Example:
> +usb_clocks: clock@00a08000 {
Drop leading 0s.
With that, for the binding:
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> + compatible = "allwinner,sun9i-a80-usb-clks";
> + reg = <0x00a08000 0x8>;
> + clocks = <&ccu CLK_BUS_USB>, <&osc24M>;
> + clock-names = "bus", "hosc";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> +};
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