amlogic,aiu.yaml

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    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     };

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