xref: /linux/Documentation/devicetree/bindings/sound/imx-audmux.yaml (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/imx-audmux.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale Digital Audio Mux device
8
9maintainers:
10  - Oleksij Rempel <o.rempel@pengutronix.de>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - fsl,imx27-audmux
18          - const: fsl,imx21-audmux
19      - items:
20          - enum:
21              - fsl,imx25-audmux
22              - fsl,imx35-audmux
23              - fsl,imx50-audmux
24              - fsl,imx51-audmux
25              - fsl,imx53-audmux
26              - fsl,imx6q-audmux
27              - fsl,imx6sl-audmux
28              - fsl,imx6sll-audmux
29              - fsl,imx6sx-audmux
30          - const: fsl,imx31-audmux
31
32  reg:
33    maxItems: 1
34
35  clocks:
36    maxItems: 1
37
38  clock-names:
39    items:
40      - const: audmux
41
42patternProperties:
43  "^mux-[0-9a-z]*$":
44    type: object
45    properties:
46      fsl,audmux-port:
47        $ref: /schemas/types.yaml#/definitions/uint32
48        description: |
49          Integer of the audmux port that is configured by this child node
50
51      fsl,port-config:
52        $ref: /schemas/types.yaml#/definitions/uint32-array
53        description: |
54          List of configuration options for the specific port.
55          For imx31-audmux and above, it is a list of tuples ptcr pdcr.
56          For imx21-audmux it is a list of pcr values.
57
58    required:
59      - fsl,audmux-port
60      - fsl,port-config
61
62    additionalProperties: false
63
64required:
65  - compatible
66  - reg
67
68additionalProperties: false
69
70examples:
71  - |
72    audmux@21d8000 {
73        compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
74        reg = <0x021d8000 0x4000>;
75    };
76  - |
77    audmux@10016000 {
78        compatible = "fsl,imx27-audmux", "fsl,imx21-audmux";
79        reg = <0x10016000 0x1000>;
80        clocks = <&clks 1>;
81        clock-names = "audmux";
82
83        mux-ssi0 {
84            fsl,audmux-port = <0>;
85            fsl,port-config = <0xcb205000>;
86        };
87
88        mux-pins4 {
89            fsl,audmux-port = <2>;
90            fsl,port-config = <0x00001000>;
91        };
92    };
93  - |
94    #include <dt-bindings/sound/fsl-imx-audmux.h>
95    audmux@21d8000 {
96        compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
97        reg = <0x021d8000 0x4000>;
98        pinctrl-names = "default";
99        pinctrl-0 = <&pinctrl_audmux>;
100
101        mux-ssi1 {
102            fsl,audmux-port = <0>;
103            fsl,port-config = <
104                IMX_AUDMUX_V2_PTCR_SYN		0
105                IMX_AUDMUX_V2_PTCR_TFSEL(2)	0
106                IMX_AUDMUX_V2_PTCR_TCSEL(2)	0
107                IMX_AUDMUX_V2_PTCR_TFSDIR	0
108                IMX_AUDMUX_V2_PTCR_TCLKDIR      IMX_AUDMUX_V2_PDCR_RXDSEL(2)
109              >;
110        };
111
112        mux-pins3 {
113            fsl,audmux-port = <2>;
114            fsl,port-config = <
115                IMX_AUDMUX_V2_PTCR_SYN          IMX_AUDMUX_V2_PDCR_RXDSEL(0)
116                0                               IMX_AUDMUX_V2_PDCR_TXRXEN
117              >;
118        };
119    };
120