atmel,sama5d2-classd.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-classd.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Atmel ClassD Amplifier
    9 
   10 maintainers:
   11   - Nicolas Ferre <nicolas.ferre@microchip.com>
   12   - Alexandre Belloni <alexandre.belloni@bootlin.com>
   13   - Claudiu Beznea <claudiu.beznea@microchip.com>
   14 
   15 description:
   16   The Audio Class D Amplifier (CLASSD) is a digital input, Pulse Width
   17   Modulated (PWM) output stereo Class D amplifier.
   18 
   19 properties:
   20   compatible:
   21     const: atmel,sama5d2-classd
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   interrupts:
   27     maxItems: 1
   28 
   29   dmas:
   30     maxItems: 1
   31 
   32   dma-names:
   33     const: tx
   34 
   35   clocks:
   36     maxItems: 2
   37 
   38   clock-names:
   39     items:
   40       - const: pclk
   41       - const: gclk
   42 
   43   atmel,model:
   44     $ref: /schemas/types.yaml#/definitions/string
   45     default: CLASSD
   46     description: The user-visible name of this sound complex.
   47 
   48   atmel,pwm-type:
   49     $ref: /schemas/types.yaml#/definitions/string
   50     enum:
   51       - single
   52       - diff
   53     default: single
   54     description: PWM modulation type.
   55 
   56   atmel,non-overlap-time:
   57     $ref: /schemas/types.yaml#/definitions/uint32
   58     enum:
   59       - 5
   60       - 10
   61       - 15
   62       - 20
   63     default: 10
   64     description:
   65       Set non-overlapping time, the unit is nanosecond(ns).
   66       Non-overlapping will be disabled if not specified.
   67 
   68 required:
   69   - compatible
   70   - reg
   71   - interrupts
   72   - dmas
   73   - dma-names
   74   - clock-names
   75   - clocks
   76 
   77 additionalProperties: false
   78 
   79 examples:
   80   - |
   81     #include <dt-bindings/dma/at91.h>
   82     #include <dt-bindings/interrupt-controller/arm-gic.h>
   83 
   84     classd: sound@fc048000 {
   85         compatible = "atmel,sama5d2-classd";
   86         reg = <0xfc048000 0x100>;
   87         interrupts = <59 IRQ_TYPE_LEVEL_HIGH 7>;
   88         dmas = <&dma0
   89             (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
   90             | AT91_XDMAC_DT_PERID(47))>;
   91         dma-names = "tx";
   92         clocks = <&classd_clk>, <&classd_gclk>;
   93         clock-names = "pclk", "gclk";
   94         assigned-clocks = <&classd_gclk>;
   95         pinctrl-names = "default";
   96         pinctrl-0 = <&pinctrl_classd_default>;
   97         atmel,model = "classd @ SAMA5D2-Xplained";
   98         atmel,pwm-type = "diff";
   99         atmel,non-overlap-time = <10>;
  100     };

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

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