[PATCH v2 1/3] dt-bindings: add Marvell core PLL and clock divider PMU documentation

Gregory CLEMENT gregory.clement at free-electrons.com
Mon Dec 7 09:37:47 PST 2015


Hi Russell,
 
 On lun., déc. 07 2015, Russell King <rmk+kernel at arm.linux.org.uk> 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.
>
> Acked-by: Andrew Lunn <andrew at lunn.ch>
> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
> Acked-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

Applied on mvebu/dt

Thanks,

Gregory

> ---
>  .../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..e3eb0f657c5e
> --- /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.
> +
> +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 at 0064 {
> +	compatible = "marvell,dove-divider-clock";
> +	reg = <0x0064 0x8>;
> +	#clock-cells = <1>;
> +};
> -- 
> 2.1.0
>

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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