xref: /linux/Documentation/devicetree/bindings/clock/qcom,kpss-gcc.yaml (revision 6e7fd890f1d6ac83805409e9c346240de2705584) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/qcom,kpss-gcc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Krait Processor Sub-system (KPSS) Global Clock Controller (GCC)
8
9maintainers:
10  - Christian Marangi <ansuelsmth@gmail.com>
11
12description:
13  Krait Processor Sub-system (KPSS) Global Clock Controller (GCC). Used
14  to control L2 mux (in the current implementation) and provide access
15  to the kpss-gcc registers.
16
17properties:
18  compatible:
19    items:
20      - enum:
21          - qcom,kpss-gcc-ipq8064
22          - qcom,kpss-gcc-apq8064
23          - qcom,kpss-gcc-msm8974
24          - qcom,kpss-gcc-msm8960
25          - qcom,kpss-gcc-msm8660
26          - qcom,kpss-gcc-mdm9615
27      - const: qcom,kpss-gcc
28      - const: syscon
29
30  reg:
31    maxItems: 1
32
33  clocks:
34    minItems: 2
35    maxItems: 2
36
37  clock-names:
38    items:
39      - const: pll8_vote
40      - const: pxo
41
42  '#clock-cells':
43    const: 0
44
45required:
46  - compatible
47  - reg
48
49if:
50  properties:
51    compatible:
52      contains:
53        enum:
54          - qcom,kpss-gcc-ipq8064
55          - qcom,kpss-gcc-apq8064
56          - qcom,kpss-gcc-msm8974
57          - qcom,kpss-gcc-msm8960
58then:
59  required:
60    - clocks
61    - clock-names
62    - '#clock-cells'
63else:
64  properties:
65    clock: false
66    clock-names: false
67    '#clock-cells': false
68
69additionalProperties: false
70
71examples:
72  - |
73    #include <dt-bindings/clock/qcom,gcc-ipq806x.h>
74
75    clock-controller@2011000 {
76      compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc", "syscon";
77      reg = <0x2011000 0x1000>;
78      clocks = <&gcc PLL8_VOTE>, <&pxo_board>;
79      clock-names = "pll8_vote", "pxo";
80      #clock-cells = <0>;
81    };
82
83  - |
84    clock-controller@2011000 {
85      compatible = "qcom,kpss-gcc-mdm9615", "qcom,kpss-gcc", "syscon";
86      reg = <0x02011000 0x1000>;
87    };
88...
89