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@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 properties:
  17   compatible:
  18     enum:
  19       - st,stm32h7-spdifrx
  20
  21   "#sound-dai-cells":
  22     const: 0
  23
  24   reg:
  25     maxItems: 1
  26
  27   clocks:
  28     maxItems: 1
  29
  30   clock-names:
  31     items:
  32       - const: kclk
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   dmas:
  38     items:
  39       - description: audio data capture DMA
  40       - description: IEC status bits capture DMA
  41
  42   dma-names:
  43     items:
  44       - const: rx
  45       - const: rx-ctrl
  46
  47   resets:
  48     maxItems: 1
  49
  50 required:
  51   - compatible
  52   - "#sound-dai-cells"
  53   - reg
  54   - clocks
  55   - clock-names
  56   - interrupts
  57   - dmas
  58   - dma-names
  59
  60 additionalProperties: false
  61
  62 examples:
  63   - |
  64     #include <dt-bindings/interrupt-controller/arm-gic.h>
  65     #include <dt-bindings/clock/stm32mp1-clks.h>
  66     spdifrx: spdifrx@40004000 {
  67         compatible = "st,stm32h7-spdifrx";
  68         #sound-dai-cells = <0>;
  69         reg = <0x40004000 0x400>;
  70         clocks = <&rcc SPDIF_K>;
  71         clock-names = "kclk";
  72         interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
  73         dmas = <&dmamux1 2 93 0x400 0x0>,
  74                <&dmamux1 3 94 0x400 0x0>;
  75         dma-names = "rx", "rx-ctrl";
  76         pinctrl-0 = <&spdifrx_pins>;
  77         pinctrl-names = "default";
  78     };
  79
  80 ...