allwinner,sun4i-a10-i2s.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-i2s.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 I2S Controller Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 properties:
   14   "#sound-dai-cells":
   15     const: 0
   16 
   17   compatible:
   18     oneOf:
   19       - const: allwinner,sun4i-a10-i2s
   20       - const: allwinner,sun6i-a31-i2s
   21       - const: allwinner,sun8i-a83t-i2s
   22       - const: allwinner,sun8i-h3-i2s
   23       - items:
   24           - const: allwinner,sun8i-r40-i2s
   25           - const: allwinner,sun8i-h3-i2s
   26       - items:
   27           - const: allwinner,sun8i-v3-i2s
   28           - const: allwinner,sun8i-h3-i2s
   29       - const: allwinner,sun50i-a64-codec-i2s
   30       - items:
   31           - const: allwinner,sun50i-a64-i2s
   32           - const: allwinner,sun8i-h3-i2s
   33       - const: allwinner,sun50i-h6-i2s
   34       - const: allwinner,sun50i-r329-i2s
   35       - items:
   36           - const: allwinner,sun20i-d1-i2s
   37           - const: allwinner,sun50i-r329-i2s
   38 
   39   reg:
   40     maxItems: 1
   41 
   42   interrupts:
   43     maxItems: 1
   44 
   45   clocks:
   46     items:
   47       - description: Bus Clock
   48       - description: Module Clock
   49 
   50   clock-names:
   51     items:
   52       - const: apb
   53       - const: mod
   54 
   55   # Even though it only applies to subschemas under the conditionals,
   56   # not listing them here will trigger a warning because of the
   57   # additionalsProperties set to false.
   58   dmas: true
   59   dma-names: true
   60   resets:
   61     maxItems: 1
   62 
   63 allOf:
   64   - if:
   65       properties:
   66         compatible:
   67           contains:
   68             enum:
   69               - allwinner,sun6i-a31-i2s
   70               - allwinner,sun8i-a83t-i2s
   71               - allwinner,sun8i-h3-i2s
   72               - allwinner,sun50i-a64-codec-i2s
   73               - allwinner,sun50i-h6-i2s
   74               - allwinner,sun50i-r329-i2s
   75 
   76     then:
   77       required:
   78         - resets
   79 
   80   - if:
   81       properties:
   82         compatible:
   83           contains:
   84             enum:
   85               - allwinner,sun8i-a83t-i2s
   86               - allwinner,sun8i-h3-i2s
   87 
   88     then:
   89       properties:
   90         dmas:
   91           minItems: 1
   92           items:
   93             - description: RX DMA Channel
   94             - description: TX DMA Channel
   95           description:
   96             Some controllers cannot receive but can only transmit
   97             data. In such a case, the RX DMA channel is to be omitted.
   98 
   99         dma-names:
  100           oneOf:
  101             - items:
  102                 - const: rx
  103                 - const: tx
  104             - const: tx
  105           description:
  106             Some controllers cannot receive but can only transmit
  107             data. In such a case, the RX name is to be omitted.
  108 
  109     else:
  110       properties:
  111         dmas:
  112           items:
  113             - description: RX DMA Channel
  114             - description: TX DMA Channel
  115 
  116         dma-names:
  117           items:
  118             - const: rx
  119             - const: tx
  120 
  121 required:
  122   - "#sound-dai-cells"
  123   - compatible
  124   - reg
  125   - interrupts
  126   - clocks
  127   - clock-names
  128   - dmas
  129   - dma-names
  130 
  131 additionalProperties: false
  132 
  133 examples:
  134   - |
  135     i2s0: i2s@1c22400 {
  136         #sound-dai-cells = <0>;
  137         compatible = "allwinner,sun4i-a10-i2s";
  138         reg = <0x01c22400 0x400>;
  139         interrupts = <0 16 4>;
  140         clocks = <&apb0_gates 3>, <&i2s0_clk>;
  141         clock-names = "apb", "mod";
  142         dmas = <&dma 0 3>, <&dma 0 3>;
  143         dma-names = "rx", "tx";
  144     };
  145 
  146 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/allwinner,sun4i-a10-i2s.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/allwinner,sun4i-a10-i2s.yaml