1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/clock/qcom,hfpll.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm High-Frequency PLL
8
9 maintainers:
10 - Bjorn Andersson <andersson@kernel.org>
11
12 description:
13 The HFPLL is used as CPU PLL on various Qualcomm SoCs.
14
15 properties:
16 compatible:
17 oneOf:
18 - enum:
19 - qcom,msm8974-hfpll
20 - qcom,msm8976-hfpll-a53
21 - qcom,msm8976-hfpll-a72
22 - qcom,msm8976-hfpll-cci
23 - qcom,qcs404-hfpll
24 - const: qcom,hfpll
25 deprecated: true
26
27 reg:
28 items:
29 - description: HFPLL registers
30 - description: Alias register region
31 minItems: 1
32
33 '#clock-cells':
34 const: 0
35
36 clocks:
37 items:
38 - description: board XO clock
39
40 clock-names:
41 items:
42 - const: xo
43
44 clock-output-names:
45 description:
46 Name of the PLL. Typically hfpllX where X is a CPU number starting at 0.
47 Otherwise hfpll_Y where Y is more specific such as "l2".
48 maxItems: 1
49
50 required:
51 - compatible
52 - reg
53 - '#clock-cells'
54 - clocks
55 - clock-names
56 - clock-output-names
57
58 additionalProperties: false
59
60 examples:
61 - |
62 clock-controller@f908a000 {
63 compatible = "qcom,msm8974-hfpll";
64 reg = <0xf908a000 0x30>, <0xf900a000 0x30>;
65 #clock-cells = <0>;
66 clock-output-names = "hfpll0";
67 clocks = <&xo_board>;
68 clock-names = "xo";
69 };
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