st,stm32-spdifrx.yaml

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    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 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 ...

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sys/contrib/device-tree/Bindings/sound/st,stm32-spdifrx.yaml