imx-audmux.yaml

  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    };