atmel,sama5d2-pdmic.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 # Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/sound/atmel,sama5d2-pdmic.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Atmel PDMIC decoder
    9 
   10 maintainers:
   11   - Claudiu Beznea <claudiu.beznea@microchip.com>
   12 
   13 description:
   14   Atmel Pulse Density Modulation Interface Controller
   15   (PDMIC) peripheral is a mono PDM decoder module
   16   that decodes an incoming PDM sample stream.
   17 
   18 properties:
   19   compatible:
   20     const: atmel,sama5d2-pdmic
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   interrupts:
   26     maxItems: 1
   27 
   28   clocks:
   29     items:
   30       - description: peripheral clock
   31       - description: generated clock
   32 
   33   clock-names:
   34     items:
   35       - const: pclk
   36       - const: gclk
   37 
   38   dmas:
   39     maxItems: 1
   40 
   41   dma-names:
   42     const: rx
   43 
   44   atmel,mic-min-freq:
   45     $ref: /schemas/types.yaml#/definitions/uint32
   46     description:
   47       The minimal frequency that the microphone supports.
   48 
   49   atmel,mic-max-freq:
   50     $ref: /schemas/types.yaml#/definitions/uint32
   51     description:
   52       The maximal frequency that the microphone supports.
   53 
   54   atmel,model:
   55     $ref: /schemas/types.yaml#/definitions/string
   56     default: PDMIC
   57     description: The user-visible name of this sound card.
   58 
   59   atmel,mic-offset:
   60     $ref: /schemas/types.yaml#/definitions/int32
   61     default: 0
   62     description: The offset that should be added.
   63 
   64 required:
   65   - compatible
   66   - reg
   67   - interrupts
   68   - dmas
   69   - dma-names
   70   - clock-names
   71   - clocks
   72   - atmel,mic-min-freq
   73   - atmel,mic-max-freq
   74 
   75 additionalProperties: false
   76 
   77 examples:
   78   - |
   79     #include <dt-bindings/dma/at91.h>
   80     #include <dt-bindings/interrupt-controller/arm-gic.h>
   81 
   82     pdmic: sound@f8018000 {
   83         compatible = "atmel,sama5d2-pdmic";
   84         reg = <0xf8018000 0x124>;
   85         interrupts = <48 IRQ_TYPE_LEVEL_HIGH 7>;
   86         dmas = <&dma0
   87                 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
   88                 | AT91_XDMAC_DT_PERID(50))>;
   89         dma-names = "rx";
   90         clocks = <&pdmic_clk>, <&pdmic_gclk>;
   91         clock-names = "pclk", "gclk";
   92         pinctrl-names = "default";
   93         pinctrl-0 = <&pinctrl_pdmic_default>;
   94         atmel,model = "PDMIC@sama5d2_xplained";
   95         atmel,mic-min-freq = <1000000>;
   96         atmel,mic-max-freq = <3246000>;
   97         atmel,mic-offset = <0x0>;
   98     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/atmel,sama5d2-pdmic.yaml

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sys/contrib/device-tree/Bindings/sound/atmel,sama5d2-pdmic.yaml