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Documentation / devicetree / bindings / clock / moxa,moxart-clock.txt




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Based on kernel version 3.16. Page generated on 2014-08-06 21:36 EST.

1	Device Tree Clock bindings for arch-moxart
2	
3	This binding uses the common clock binding[1].
4	
5	[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
6	
7	MOXA ART SoCs allow to determine PLL output and APB frequencies
8	by reading registers holding multiplier and divisor information.
9	
10	
11	PLL:
12	
13	Required properties:
14	- compatible : Must be "moxa,moxart-pll-clock"
15	- #clock-cells : Should be 0
16	- reg : Should contain registers location and length
17	- clocks : Should contain phandle + clock-specifier for the parent clock
18	
19	Optional properties:
20	- clock-output-names : Should contain clock name
21	
22	
23	APB:
24	
25	Required properties:
26	- compatible : Must be "moxa,moxart-apb-clock"
27	- #clock-cells : Should be 0
28	- reg : Should contain registers location and length
29	- clocks : Should contain phandle + clock-specifier for the parent clock
30	
31	Optional properties:
32	- clock-output-names : Should contain clock name
33	
34	
35	For example:
36	
37		clk_pll: clk_pll@98100000 {
38			compatible = "moxa,moxart-pll-clock";
39			#clock-cells = <0>;
40			reg = <0x98100000 0x34>;
41		};
42	
43		clk_apb: clk_apb@98100000 {
44			compatible = "moxa,moxart-apb-clock";
45			#clock-cells = <0>;
46			reg = <0x98100000 0x34>;
47			clocks = <&clk_pll>;
48		};
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