Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-codec.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A10 Codec 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     enum:
  19       - allwinner,sun4i-a10-codec
  20       - allwinner,sun6i-a31-codec
  21       - allwinner,sun7i-a20-codec
  22       - allwinner,sun8i-a23-codec
  23       - allwinner,sun8i-h3-codec
  24       - allwinner,sun8i-v3s-codec
  25
  26   reg:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   clocks:
  33     items:
  34       - description: Bus Clock
  35       - description: Module Clock
  36
  37   clock-names:
  38     items:
  39       - const: apb
  40       - const: codec
  41
  42   dmas:
  43     items:
  44       - description: RX DMA Channel
  45       - description: TX DMA Channel
  46
  47   dma-names:
  48     items:
  49       - const: rx
  50       - const: tx
  51
  52   resets:
  53     maxItems: 1
  54
  55   allwinner,audio-routing:
  56     description: |-
  57       A list of the connections between audio components.  Each entry
  58       is a pair of strings, the first being the connection's sink, the
  59       second being the connection's source.
  60     allOf:
  61       - $ref: /schemas/types.yaml#definitions/non-unique-string-array
  62       - minItems: 2
  63         maxItems: 18
  64         items:
  65           enum:
  66             # Audio Pins on the SoC
  67             - HP
  68             - HPCOM
  69             - LINEIN
  70             - LINEOUT
  71             - MIC1
  72             - MIC2
  73             - MIC3
  74
  75             # Microphone Biases from the SoC
  76             - HBIAS
  77             - MBIAS
  78
  79             # Board Connectors
  80             - Headphone
  81             - Headset Mic
  82             - Line In
  83             - Line Out
  84             - Mic
  85             - Speaker
  86
  87   allwinner,codec-analog-controls:
  88     $ref: /schemas/types.yaml#/definitions/phandle
  89     description: Phandle to the codec analog controls in the PRCM
  90
  91   allwinner,pa-gpios:
  92     description: GPIO to enable the external amplifier
  93
  94 required:
  95   - "#sound-dai-cells"
  96   - compatible
  97   - reg
  98   - interrupts
  99   - clocks
 100   - clock-names
 101   - dmas
 102   - dma-names
 103
 104 allOf:
 105   - if:
 106       properties:
 107         compatible:
 108           enum:
 109             - allwinner,sun6i-a31-codec
 110             - allwinner,sun8i-a23-codec
 111             - allwinner,sun8i-h3-codec
 112             - allwinner,sun8i-v3s-codec
 113
 114     then:
 115       if:
 116         properties:
 117           compatible:
 118             const: allwinner,sun6i-a31-codec
 119
 120       then:
 121         required:
 122           - resets
 123           - allwinner,audio-routing
 124
 125       else:
 126         required:
 127           - resets
 128           - allwinner,audio-routing
 129           - allwinner,codec-analog-controls
 130
 131   - if:
 132       properties:
 133         compatible:
 134           enum:
 135             - allwinner,sun6i-a31-codec
 136
 137     then:
 138       properties:
 139         allwinner,audio-routing:
 140           items:
 141             enum:
 142               - HP
 143               - HPCOM
 144               - LINEIN
 145               - LINEOUT
 146               - MIC1
 147               - MIC2
 148               - MIC3
 149               - HBIAS
 150               - MBIAS
 151               - Headphone
 152               - Headset Mic
 153               - Line In
 154               - Line Out
 155               - Mic
 156               - Speaker
 157
 158   - if:
 159       properties:
 160         compatible:
 161           enum:
 162             - allwinner,sun8i-a23-codec
 163
 164     then:
 165       properties:
 166         allwinner,audio-routing:
 167           items:
 168             enum:
 169               - HP
 170               - HPCOM
 171               - LINEIN
 172               - MIC1
 173               - MIC2
 174               - HBIAS
 175               - MBIAS
 176               - Headphone
 177               - Headset Mic
 178               - Line In
 179               - Line Out
 180               - Mic
 181               - Speaker
 182
 183   - if:
 184       properties:
 185         compatible:
 186           enum:
 187             - allwinner,sun8i-h3-codec
 188
 189     then:
 190       properties:
 191         allwinner,audio-routing:
 192           items:
 193             enum:
 194               - HP
 195               - HPCOM
 196               - LINEIN
 197               - LINEOUT
 198               - MIC1
 199               - MIC2
 200               - HBIAS
 201               - MBIAS
 202               - Headphone
 203               - Headset Mic
 204               - Line In
 205               - Line Out
 206               - Mic
 207               - Speaker
 208
 209   - if:
 210       properties:
 211         compatible:
 212           enum:
 213             - allwinner,sun8i-v3s-codec
 214
 215     then:
 216       properties:
 217         allwinner,audio-routing:
 218           items:
 219             enum:
 220               - HP
 221               - HPCOM
 222               - MIC1
 223               - HBIAS
 224               - Headphone
 225               - Headset Mic
 226               - Line In
 227               - Line Out
 228               - Mic
 229               - Speaker
 230
 231 additionalProperties: false
 232
 233 examples:
 234   - |
 235     codec@1c22c00 {
 236         #sound-dai-cells = <0>;
 237         compatible = "allwinner,sun7i-a20-codec";
 238         reg = <0x01c22c00 0x40>;
 239         interrupts = <0 30 4>;
 240         clocks = <&apb0_gates 0>, <&codec_clk>;
 241         clock-names = "apb", "codec";
 242         dmas = <&dma 0 19>, <&dma 0 19>;
 243         dma-names = "rx", "tx";
 244     };
 245
 246   - |
 247     codec@1c22c00 {
 248         #sound-dai-cells = <0>;
 249         compatible = "allwinner,sun6i-a31-codec";
 250         reg = <0x01c22c00 0x98>;
 251         interrupts = <0 29 4>;
 252         clocks = <&ccu 61>, <&ccu 135>;
 253         clock-names = "apb", "codec";
 254         resets = <&ccu 42>;
 255         dmas = <&dma 15>, <&dma 15>;
 256         dma-names = "rx", "tx";
 257         allwinner,audio-routing =
 258             "Headphone", "HP",
 259             "Speaker", "LINEOUT",
 260             "LINEIN", "Line In",
 261             "MIC1", "MBIAS",
 262             "MIC1", "Mic",
 263             "MIC2", "HBIAS",
 264             "MIC2", "Headset Mic";
 265     };
 266
 267 ...