On Thu, Nov 26, 2015 at 10:23:21PM +0000, Russell King wrote:
> Add documentation for the Marvell clock divider driver, which is used
> to source clocks for the AXI bus, video decoder, GPU and LCD blocks.
>
> Signed-off-by: Russell King <[email protected]>
> ---
> .../bindings/clock/dove-divider-clock.txt | 28
> ++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/clock/dove-divider-clock.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/dove-divider-clock.txt
> b/Documentation/devicetree/bindings/clock/dove-divider-clock.txt
> new file mode 100644
> index 000000000000..0c602de279e5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/dove-divider-clock.txt
> @@ -0,0 +1,28 @@
> +PLl divider based Dove clocks
> +
> +Marvell Dove has a 2GHz PLL, which feeds into a set of dividers to provide
> +high speed clocks for a number of peripherals. These dividers are part of
> +the PMU, and thus this node should be a child of the PMU node.
It seems a bit strange to just be documenting these clocks. What about
the rest of the SOC clocks?
> +
> +The following clocks are provided:
> +
> +ID Clock
> +-------------
> +0 AXI bus clock
> +1 GPU clock
> +2 VMeta clock
> +3 LCD clock
> +
> +Required properties:
> +- compatible : shall be "marvell,dove-divider-clock"
> +- reg : shall be the register address of the Core PLL and Clock Divider
> + Control 0 register. This will cover that register, as well as the
> + Core PLL and Clock Divider Control 1 register. Thus, it will have
> + a size of 8.
> +- #clock-cells : from common clock binding; shall be set to 1
> +
> +divider_clk: core-clock@0064 {
> + compatible = "marvell,dove-divider-clock";
> + reg = <0x0064 0x8>;
> + #clock-cells = <1>;
> +};
> --
> 2.1.0
>
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