Documentation/devicetree/bindings/sound/amlogic,aiu.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/amlogic,aiu.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Amlogic AIU audio output controller
   8
   9 maintainers:
  10   - Jerome Brunet <jbrunet@baylibre.com>
  11
  12 allOf:
  13   - $ref: name-prefix.yaml#
  14
  15 properties:
  16   $nodename:
  17     pattern: "^audio-controller@.*"
  18
  19   "#sound-dai-cells":
  20     const: 2
  21
  22   compatible:
  23     items:
  24       - enum:
  25           - amlogic,aiu-gxbb
  26           - amlogic,aiu-gxl
  27           - amlogic,aiu-meson8
  28           - amlogic,aiu-meson8b
  29       - const: amlogic,aiu
  30
  31   clocks:
  32     items:
  33       - description: AIU peripheral clock
  34       - description: I2S peripheral clock
  35       - description: I2S output clock
  36       - description: I2S master clock
  37       - description: I2S mixer clock
  38       - description: SPDIF peripheral clock
  39       - description: SPDIF output clock
  40       - description: SPDIF master clock
  41       - description: SPDIF master clock multiplexer
  42
  43   clock-names:
  44     items:
  45       - const: pclk
  46       - const: i2s_pclk
  47       - const: i2s_aoclk
  48       - const: i2s_mclk
  49       - const: i2s_mixer
  50       - const: spdif_pclk
  51       - const: spdif_aoclk
  52       - const: spdif_mclk
  53       - const: spdif_mclk_sel
  54
  55   interrupts:
  56     items:
  57       - description: I2S interrupt line
  58       - description: SPDIF interrupt line
  59
  60   interrupt-names:
  61     items:
  62       - const: i2s
  63       - const: spdif
  64
  65   reg:
  66     maxItems: 1
  67
  68   resets:
  69     maxItems: 1
  70
  71   sound-name-prefix: true
  72
  73 required:
  74   - "#sound-dai-cells"
  75   - compatible
  76   - clocks
  77   - clock-names
  78   - interrupts
  79   - interrupt-names
  80   - reg
  81   - resets
  82
  83 additionalProperties: false
  84
  85 examples:
  86   - |
  87     #include <dt-bindings/clock/gxbb-clkc.h>
  88     #include <dt-bindings/interrupt-controller/irq.h>
  89     #include <dt-bindings/interrupt-controller/arm-gic.h>
  90     #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
  91
  92     aiu: audio-controller@5400 {
  93         compatible = "amlogic,aiu-gxl", "amlogic,aiu";
  94         #sound-dai-cells = <2>;
  95         reg = <0x5400 0x2ac>;
  96         interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
  97                      <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
  98         interrupt-names = "i2s", "spdif";
  99         clocks = <&clkc CLKID_AIU_GLUE>,
 100                  <&clkc CLKID_I2S_OUT>,
 101                  <&clkc CLKID_AOCLK_GATE>,
 102                  <&clkc CLKID_CTS_AMCLK>,
 103                  <&clkc CLKID_MIXER_IFACE>,
 104                  <&clkc CLKID_IEC958>,
 105                  <&clkc CLKID_IEC958_GATE>,
 106                  <&clkc CLKID_CTS_MCLK_I958>,
 107                  <&clkc CLKID_CTS_I958>;
 108         clock-names = "pclk",
 109                       "i2s_pclk",
 110                       "i2s_aoclk",
 111                       "i2s_mclk",
 112                       "i2s_mixer",
 113                       "spdif_pclk",
 114                       "spdif_aoclk",
 115                       "spdif_mclk",
 116                       "spdif_mclk_sel";
 117         resets = <&reset RESET_AIU>;
 118     };