xref: /linux/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt (revision 44fad3323833624941b99dafd982978e1742dd53) 
1*44fad332SAlban BedelBinding for Qualcomm Atheros AR7xxx/AR9XXX PLL controller
2*44fad332SAlban Bedel
3*44fad332SAlban BedelThe PPL controller provides the 3 main clocks of the SoC: CPU, DDR and AHB.
4*44fad332SAlban Bedel
5*44fad332SAlban BedelRequired Properties:
6*44fad332SAlban Bedel- compatible: has to be "qca,<soctype>-cpu-intc" and one of the following
7*44fad332SAlban Bedel  fallbacks:
8*44fad332SAlban Bedel  - "qca,ar7100-pll"
9*44fad332SAlban Bedel  - "qca,ar7240-pll"
10*44fad332SAlban Bedel  - "qca,ar9130-pll"
11*44fad332SAlban Bedel  - "qca,ar9330-pll"
12*44fad332SAlban Bedel  - "qca,ar9340-pll"
13*44fad332SAlban Bedel  - "qca,qca9550-pll"
14*44fad332SAlban Bedel- reg: Base address and size of the controllers memory area
15*44fad332SAlban Bedel- clock-names: Name of the input clock, has to be "ref"
16*44fad332SAlban Bedel- clocks: phandle of the external reference clock
17*44fad332SAlban Bedel- #clock-cells: has to be one
18*44fad332SAlban Bedel
19*44fad332SAlban BedelOptional properties:
20*44fad332SAlban Bedel- clock-output-names: should be "cpu", "ddr", "ahb"
21*44fad332SAlban Bedel
22*44fad332SAlban BedelExample:
23*44fad332SAlban Bedel
24*44fad332SAlban Bedel	memory-controller@18050000 {
25*44fad332SAlban Bedel		compatible = "qca,ar9132-ppl", "qca,ar9130-pll";
26*44fad332SAlban Bedel		reg = <0x18050000 0x20>;
27*44fad332SAlban Bedel
28*44fad332SAlban Bedel		clock-names = "ref";
29*44fad332SAlban Bedel		clocks = <&extosc>;
30*44fad332SAlban Bedel
31*44fad332SAlban Bedel		#clock-cells = <1>;
32*44fad332SAlban Bedel		clock-output-names = "cpu", "ddr", "ahb";
33*44fad332SAlban Bedel	};
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