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