rockchip-spdif.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Rockchip SPDIF transceiver
  8
  9description:
 10  The S/PDIF audio block is a stereo transceiver that allows the
 11  processor to receive and transmit digital audio via a coaxial or
 12  fibre cable.
 13
 14maintainers:
 15  - Heiko Stuebner <heiko@sntech.de>
 16
 17properties:
 18  compatible:
 19    oneOf:
 20      - const: rockchip,rk3066-spdif
 21      - const: rockchip,rk3228-spdif
 22      - const: rockchip,rk3328-spdif
 23      - const: rockchip,rk3366-spdif
 24      - const: rockchip,rk3368-spdif
 25      - const: rockchip,rk3399-spdif
 26      - const: rockchip,rk3568-spdif
 27      - items:
 28          - enum:
 29              - rockchip,rk3128-spdif
 30              - rockchip,rk3188-spdif
 31              - rockchip,rk3288-spdif
 32              - rockchip,rk3308-spdif
 33          - const: rockchip,rk3066-spdif
 34      - items:
 35          - enum:
 36              - rockchip,rk3588-spdif
 37          - const: rockchip,rk3568-spdif
 38
 39  reg:
 40    maxItems: 1
 41
 42  interrupts:
 43    maxItems: 1
 44
 45  clocks:
 46    items:
 47      - description: clock for SPDIF bus
 48      - description: clock for SPDIF controller
 49
 50  clock-names:
 51    items:
 52      - const: mclk
 53      - const: hclk
 54
 55  dmas:
 56    maxItems: 1
 57
 58  dma-names:
 59    const: tx
 60
 61  power-domains:
 62    maxItems: 1
 63
 64  rockchip,grf:
 65    $ref: /schemas/types.yaml#/definitions/phandle
 66    description:
 67      The phandle of the syscon node for the GRF register.
 68      Required property on RK3288.
 69
 70  "#sound-dai-cells":
 71    const: 0
 72
 73  port:
 74    $ref: /schemas/graph.yaml#/properties/port
 75
 76required:
 77  - compatible
 78  - reg
 79  - interrupts
 80  - clocks
 81  - clock-names
 82  - dmas
 83  - dma-names
 84  - "#sound-dai-cells"
 85
 86allOf:
 87  - $ref: dai-common.yaml#
 88  - if:
 89      properties:
 90        compatible:
 91          contains:
 92            const: rockchip,rk3288-spdif
 93    then:
 94      required:
 95        - rockchip,grf
 96
 97unevaluatedProperties: false
 98
 99examples:
100  - |
101    #include <dt-bindings/clock/rk3188-cru.h>
102    #include <dt-bindings/interrupt-controller/arm-gic.h>
103    spdif: spdif@1011e000 {
104      compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
105      reg = <0x1011e000 0x2000>;
106      interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
107      clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
108      clock-names = "mclk", "hclk";
109      dmas = <&dmac1_s 8>;
110      dma-names = "tx";
111      #sound-dai-cells = <0>;
112    };