amlogic,axg-fifo.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/amlogic,axg-fifo.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Amlogic AXG Audio FIFO controllers
  8
  9maintainers:
 10  - Jerome Brunet <jbrunet@baylibre.com>
 11
 12properties:
 13  compatible:
 14    oneOf:
 15      - enum:
 16          - amlogic,axg-toddr
 17          - amlogic,axg-frddr
 18      - items:
 19          - enum:
 20              - amlogic,g12a-toddr
 21              - amlogic,sm1-toddr
 22          - const: amlogic,axg-toddr
 23      - items:
 24          - enum:
 25              - amlogic,g12a-frddr
 26              - amlogic,sm1-frddr
 27          - const: amlogic,axg-frddr
 28
 29  reg:
 30    maxItems: 1
 31
 32  "#sound-dai-cells":
 33    const: 0
 34
 35  clocks:
 36    items:
 37      - description: Peripheral clock
 38
 39  interrupts:
 40    maxItems: 1
 41
 42  resets:
 43    minItems: 1
 44    maxItems: 2
 45
 46  reset-names:
 47    minItems: 1
 48    maxItems: 2
 49
 50  amlogic,fifo-depth:
 51    $ref: /schemas/types.yaml#/definitions/uint32
 52    description: Size of the controller's fifo in bytes
 53
 54required:
 55  - compatible
 56  - reg
 57  - "#sound-dai-cells"
 58  - clocks
 59  - interrupts
 60  - resets
 61  - amlogic,fifo-depth
 62
 63allOf:
 64  - $ref: dai-common.yaml#
 65  - if:
 66      properties:
 67        compatible:
 68          contains:
 69            enum:
 70              - amlogic,g12a-toddr
 71              - amlogic,sm1-toddr
 72              - amlogic,g12a-frddr
 73              - amlogic,sm1-frddr
 74
 75    then:
 76      properties:
 77        resets:
 78          minItems: 2
 79        reset-names:
 80          items:
 81            - const: arb
 82            - const: rst
 83      required:
 84        - reset-names
 85
 86    else:
 87      properties:
 88        resets:
 89          maxItems: 1
 90        reset-names:
 91          const: arb
 92
 93unevaluatedProperties: false
 94
 95examples:
 96  - |
 97    #include <dt-bindings/clock/axg-audio-clkc.h>
 98    #include <dt-bindings/interrupt-controller/irq.h>
 99    #include <dt-bindings/interrupt-controller/arm-gic.h>
100    #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
101    #include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
102
103    audio-controller@1c0 {
104        compatible = "amlogic,g12a-frddr", "amlogic,axg-frddr";
105        reg = <0x1c0 0x1c>;
106        #sound-dai-cells = <0>;
107        clocks = <&clkc_audio AUD_CLKID_FRDDR_A>;
108        interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;
109        resets = <&arb>, <&clkc_audio AUD_RESET_FRDDR_A>;
110        reset-names = "arb", "rst";
111        amlogic,fifo-depth = <512>;
112    };