[PATCH 3/4] clk: add DT clock binding support

[Shawn Guo]

On Mon, Apr 09, 2012 at 03:25:00PM -0500, Rob Herring wrote:
...
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/fixed-clock.txt
> @@ -0,0 +1,22 @@
> +Binding for simple fixed-rate clock sources.
> +
> +This binding uses the common clock binding[1].
> +
> +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
> +
> +Required properties:
> +- compatible : shall be "fixed-clock".
> +- #clock-cells : from common clock binding; shall be set to 0.
> +- clock-frequency : frequency of clock in Hz. Should be a single cell.
						 ^^^^^^^^^^^^^^^^^^^^^^^
> +
> +Optional properties:
> +- gpios : From common gpio binding; gpio connection to clock enable pin.

I haven't seen this support in the code yet.

> +- clock-output-names : From common clock binding. Required for nodes with
> +  multiple outputs.

This seems inconsistent with above "Should be a single cell."

Regards,
Shawn

> +
> +Example:
> +	clock {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <1000000000>;
> +	};