Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
   8
   9 maintainers:
  10   - Olivier Moysan <olivier.moysan@foss.st.com>
  11
  12 description: |
  13   The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
  14   IEC-60958 and IEC-61937.
  15
  16 allOf:
  17   - $ref: dai-common.yaml#
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - st,stm32h7-spdifrx
  23
  24   "#sound-dai-cells":
  25     const: 0
  26
  27   reg:
  28     maxItems: 1
  29
  30   clocks:
  31     maxItems: 1
  32
  33   clock-names:
  34     items:
  35       - const: kclk
  36
  37   interrupts:
  38     maxItems: 1
  39
  40   dmas:
  41     items:
  42       - description: audio data capture DMA
  43       - description: IEC status bits capture DMA
  44
  45   dma-names:
  46     items:
  47       - const: rx
  48       - const: rx-ctrl
  49
  50   resets:
  51     maxItems: 1
  52
  53   port:
  54     $ref: audio-graph-port.yaml#
  55     unevaluatedProperties: false
  56
  57   access-controllers:
  58     minItems: 1
  59     maxItems: 2
  60
  61 required:
  62   - compatible
  63   - "#sound-dai-cells"
  64   - reg
  65   - clocks
  66   - clock-names
  67   - interrupts
  68   - dmas
  69   - dma-names
  70
  71 unevaluatedProperties: false
  72
  73 examples:
  74   - |
  75     #include <dt-bindings/interrupt-controller/arm-gic.h>
  76     #include <dt-bindings/clock/stm32mp1-clks.h>
  77     spdifrx: spdifrx@40004000 {
  78         compatible = "st,stm32h7-spdifrx";
  79         #sound-dai-cells = <0>;
  80         reg = <0x40004000 0x400>;
  81         clocks = <&rcc SPDIF_K>;
  82         clock-names = "kclk";
  83         interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
  84         dmas = <&dmamux1 2 93 0x400 0x0>,
  85                <&dmamux1 3 94 0x400 0x0>;
  86         dma-names = "rx", "rx-ctrl";
  87         pinctrl-0 = <&spdifrx_pins>;
  88         pinctrl-names = "default";
  89     };
  90
  91 ...