linux-kernel - Re: [PATCH 06/11] clk: sunxi-ng: Add A80 USB CCU

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Date:   Fri, 27 Jan 2017 15:15:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Mark Rutland <mark.rutland@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 06/11] clk: sunxi-ng: Add A80 USB CCU

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@...e.org>
> ---
>  .../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@...08000 {

Drop leading 0s.

With that, for the binding:

Acked-by: Rob Herring <robh@...nel.org>

> +	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>;
> +};