xref: /linux/Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml (revision 9e56ff53b4115875667760445b028357848b4748) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/samsung,s5pv210-audss-clock.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Samsung S5Pv210 SoC Audio SubSystem clock controller
8
9maintainers:
10  - Chanwoo Choi <cw00.choi@samsung.com>
11  - Krzysztof Kozlowski <krzk@kernel.org>
12  - Sylwester Nawrocki <s.nawrocki@samsung.com>
13  - Tomasz Figa <tomasz.figa@gmail.com>
14
15description: |
16  All available clocks are defined as preprocessor macros in
17  include/dt-bindings/clock/s5pv210-audss.h header.
18
19properties:
20  compatible:
21    const: samsung,s5pv210-audss-clock
22
23  clocks:
24    minItems: 4
25    items:
26      - description:
27          AHB bus clock of the Audio Subsystem.
28      - description:
29          Optional fixed rate PLL reference clock, parent of mout_audss. If not
30          specified (i.e. xusbxti is used for PLL reference), it is fixed to a
31          clock named "xxti".
32      - description:
33          Input PLL to the AudioSS block, parent of mout_audss.
34      - description:
35          Audio bus clock, parent of mout_i2s.
36      - description:
37          Optional external i2s clock, parent of mout_i2s. If not specified, it
38          is fixed to a clock named "iiscdclk0".
39
40  clock-names:
41    minItems: 4
42    items:
43      - const: hclk
44      - const: xxti
45      - const: fout_epll
46      - const: sclk_audio0
47      - const: iiscdclk0
48
49  "#clock-cells":
50    const: 1
51
52  power-domains:
53    maxItems: 1
54
55  reg:
56    maxItems: 1
57
58required:
59  - compatible
60  - clocks
61  - clock-names
62  - "#clock-cells"
63  - reg
64
65additionalProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/clock/s5pv210.h>
70
71    clock-controller@c0900000 {
72        compatible = "samsung,s5pv210-audss-clock";
73        reg = <0xc0900000 0x1000>;
74        #clock-cells = <1>;
75        clock-names = "hclk", "xxti", "fout_epll", "sclk_audio0";
76        clocks = <&clocks DOUT_HCLKP>, <&xxti>, <&clocks FOUT_EPLL>,
77                 <&clocks SCLK_AUDIO0>;
78    };
79