1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,mqs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP Medium Quality Sound (MQS)
8
9 maintainers:
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
11 - Chancel Liu <chancel.liu@nxp.com>
12
13 description: |
14 Medium quality sound (MQS) is used to generate medium quality audio
15 via a standard GPIO in the pinmux, allowing the user to connect
16 stereo speakers or headphones to a power amplifier without an
17 additional DAC chip.
18
19 properties:
20 compatible:
21 enum:
22 - fsl,imx6sx-mqs
23 - fsl,imx8qm-mqs
24 - fsl,imx8qxp-mqs
25 - fsl,imx93-mqs
26 - fsl,imx95-aonmix-mqs
27 - fsl,imx95-netcmix-mqs
28
29 clocks:
30 minItems: 1
31 maxItems: 2
32
33 clock-names:
34 minItems: 1
35 maxItems: 2
36
37 gpr:
38 $ref: /schemas/types.yaml#/definitions/phandle
39 description: The phandle to the General Purpose Register (GPR) node
40
41 reg:
42 maxItems: 1
43
44 power-domains:
45 maxItems: 1
46
47 resets:
48 maxItems: 1
49
50 required:
51 - compatible
52 - clocks
53 - clock-names
54
55 allOf:
56 - if:
57 properties:
58 compatible:
59 contains:
60 enum:
61 - fsl,imx8qm-mqs
62 - fsl,imx8qxp-mqs
63 then:
64 properties:
65 clocks:
66 items:
67 - description: Master clock
68 - description: Clock for register access
69 clock-names:
70 items:
71 - const: mclk
72 - const: core
73 required:
74 - reg
75 - power-domains
76 else:
77 properties:
78 clocks:
79 items:
80 - description: Master clock
81 clock-names:
82 items:
83 - const: mclk
84 required:
85 - gpr
86
87 additionalProperties: false
88
89 examples:
90 - |
91 #include <dt-bindings/clock/imx6sx-clock.h>
92 mqs0: mqs {
93 compatible = "fsl,imx6sx-mqs";
94 gpr = <&gpr>;
95 clocks = <&clks IMX6SX_CLK_SAI1>;
96 clock-names = "mclk";
97 };
98
99 - |
100 #include <dt-bindings/firmware/imx/rsrc.h>
101 mqs1: mqs@59850000 {
102 compatible = "fsl,imx8qm-mqs";
103 reg = <0x59850000 0x10000>;
104 clocks = <&mqs0_lpcg 0>, <&mqs0_lpcg 1>;
105 clock-names = "mclk", "core";
106 power-domains = <&pd IMX_SC_R_MQS_0>;
107 };
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