marvell,mmp-sspa.yaml

  1# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/marvell,mmp-sspa.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Marvel SSPA Digital Audio Interface
  8
  9maintainers:
 10  - Lubomir Rintel <lkundrak@v3.sk>
 11
 12allOf:
 13  - $ref: dai-common.yaml#
 14
 15properties:
 16  $nodename:
 17    pattern: "^audio-controller(@.*)?$"
 18
 19  compatible:
 20    const: marvell,mmp-sspa
 21
 22  reg:
 23    items:
 24      - description: RX block
 25      - description: TX block
 26
 27  interrupts:
 28    maxItems: 1
 29
 30  clocks:
 31    items:
 32      - description: Clock for the Audio block
 33      - description: I2S bit clock
 34
 35  clock-names:
 36    items:
 37      - const: audio
 38      - const: bitclk
 39
 40  power-domains:
 41    maxItems: 1
 42
 43  '#sound-dai-cells':
 44    const: 0
 45
 46  dmas:
 47    items:
 48      - description: TX DMA Channel
 49      - description: RX DMA Channel
 50
 51  dma-names:
 52    items:
 53      - const: tx
 54      - const: rx
 55
 56  port:
 57    $ref: audio-graph-port.yaml#
 58    unevaluatedProperties: false
 59
 60    properties:
 61      endpoint:
 62        type: object
 63        additionalProperties: true
 64
 65        properties:
 66          dai-format:
 67            const: i2s
 68
 69required:
 70  - "#sound-dai-cells"
 71  - compatible
 72  - reg
 73  - interrupts
 74  - clocks
 75  - clock-names
 76  - dmas
 77  - dma-names
 78  - port
 79
 80unevaluatedProperties: false
 81
 82examples:
 83  - |
 84    #include <dt-bindings/clock/marvell,mmp2.h>
 85
 86    audio-controller@d42a0c00 {
 87      compatible = "marvell,mmp-sspa";
 88      reg = <0xd42a0c00 0x30>,
 89            <0xd42a0c80 0x30>;
 90      interrupts = <2>;
 91      clock-names = "audio", "bitclk";
 92      clocks = <&soc_clocks 127>,
 93               <&audio_clk 1>;
 94      #sound-dai-cells = <0>;
 95      dmas = <&adma0 0>, <&adma0 1>;
 96      dma-names = "tx", "rx";
 97      port {
 98        endpoint {
 99          remote-endpoint = <&rt5631_0>;
100          dai-format = "i2s";
101        };
102      };
103    };
104
105...