imx-audmux.yaml

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    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 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale Digital Audio Mux device
    8 
    9 maintainers:
   10   - Oleksij Rempel <o.rempel@pengutronix.de>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - items:
   16           - enum:
   17               - fsl,imx27-audmux
   18           - const: fsl,imx21-audmux
   19       - items:
   20           - enum:
   21               - fsl,imx25-audmux
   22               - fsl,imx35-audmux
   23               - fsl,imx50-audmux
   24               - fsl,imx51-audmux
   25               - fsl,imx53-audmux
   26               - fsl,imx6q-audmux
   27               - fsl,imx6sl-audmux
   28               - fsl,imx6sll-audmux
   29               - fsl,imx6sx-audmux
   30           - const: fsl,imx31-audmux
   31 
   32   reg:
   33     maxItems: 1
   34 
   35   clocks:
   36     maxItems: 1
   37 
   38   clock-names:
   39     items:
   40       - const: audmux
   41 
   42 patternProperties:
   43   "^mux-[0-9a-z]*$":
   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 
   64 required:
   65   - compatible
   66   - reg
   67 
   68 additionalProperties: false
   69 
   70 examples:
   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     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/imx-audmux.yaml

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sys/contrib/device-tree/Bindings/sound/imx-audmux.yaml