xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunQualcomm Technologies, Inc. SPMI PMIC clock divider (clkdiv)
2*4882a593Smuzhiyun
3*4882a593Smuzhiyunclkdiv configures the clock frequency of a set of outputs on the PMIC.
4*4882a593SmuzhiyunThese clocks are typically wired through alternate functions on
5*4882a593Smuzhiyungpio pins.
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun=======================
8*4882a593SmuzhiyunProperties
9*4882a593Smuzhiyun=======================
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun- compatible
12*4882a593Smuzhiyun	Usage:      required
13*4882a593Smuzhiyun	Value type: <string>
14*4882a593Smuzhiyun	Definition: must be "qcom,spmi-clkdiv".
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun- reg
17*4882a593Smuzhiyun	Usage:      required
18*4882a593Smuzhiyun	Value type: <prop-encoded-array>
19*4882a593Smuzhiyun	Definition: base address of CLKDIV peripherals.
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun- qcom,num-clkdivs
22*4882a593Smuzhiyun	Usage:      required
23*4882a593Smuzhiyun	Value type: <u32>
24*4882a593Smuzhiyun	Definition: number of CLKDIV peripherals.
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun- clocks:
27*4882a593Smuzhiyun	Usage: required
28*4882a593Smuzhiyun	Value type: <prop-encoded-array>
29*4882a593Smuzhiyun	Definition: reference to the xo clock.
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun- clock-names:
32*4882a593Smuzhiyun	Usage: required
33*4882a593Smuzhiyun	Value type: <stringlist>
34*4882a593Smuzhiyun	Definition: must be "xo".
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun- #clock-cells:
37*4882a593Smuzhiyun	Usage: required
38*4882a593Smuzhiyun	Value type: <u32>
39*4882a593Smuzhiyun	Definition: shall contain 1.
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun=======
42*4882a593SmuzhiyunExample
43*4882a593Smuzhiyun=======
44*4882a593Smuzhiyun
45*4882a593Smuzhiyunpm8998_clk_divs: clock-controller@5b00 {
46*4882a593Smuzhiyun	compatible = "qcom,spmi-clkdiv";
47*4882a593Smuzhiyun	reg = <0x5b00>;
48*4882a593Smuzhiyun	#clock-cells = <1>;
49*4882a593Smuzhiyun	qcom,num-clkdivs = <3>;
50*4882a593Smuzhiyun	clocks = <&xo_board>;
51*4882a593Smuzhiyun	clock-names = "xo";
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun	assigned-clocks = <&pm8998_clk_divs 1>,
54*4882a593Smuzhiyun			  <&pm8998_clk_divs 2>,
55*4882a593Smuzhiyun			  <&pm8998_clk_divs 3>;
56*4882a593Smuzhiyun	assigned-clock-rates = <9600000>,
57*4882a593Smuzhiyun			       <9600000>,
58*4882a593Smuzhiyun			       <9600000>;
59*4882a593Smuzhiyun};
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