Bindings/sound/renesas,fsi.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/renesas,fsi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas FIFO-buffered Serial Interface (FSI)
   8
   9 maintainers:
  10   - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  11
  12 properties:
  13   $nodename:
  14     pattern: "^sound@.*"
  15
  16   compatible:
  17     oneOf:
  18       # for FSI2 SoC
  19       - items:
  20           - enum:
  21               - renesas,fsi2-sh73a0  # SH-Mobile AG5
  22               - renesas,fsi2-r8a7740 # R-Mobile A1
  23           - enum:
  24               - renesas,sh_fsi2
  25       # for Generic
  26       - items:
  27           - enum:
  28               - renesas,sh_fsi
  29               - renesas,sh_fsi2
  30
  31   reg:
  32     maxItems: 1
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   clocks:
  38     maxItems: 1
  39
  40   power-domains:
  41     maxItems: 1
  42
  43   '#sound-dai-cells':
  44     const: 1
  45
  46   fsia,spdif-connection:
  47     $ref: /schemas/types.yaml#/definitions/flag
  48     description: FSI is connected by S/PDIF
  49
  50   fsia,stream-mode-support:
  51     $ref: /schemas/types.yaml#/definitions/flag
  52     description: FSI supports 16bit stream mode
  53
  54   fsia,use-internal-clock:
  55     $ref: /schemas/types.yaml#/definitions/flag
  56     description: FSI uses internal clock when master mode
  57
  58   fsib,spdif-connection:
  59     $ref: /schemas/types.yaml#/definitions/flag
  60     description: same as fsia
  61
  62   fsib,stream-mode-support:
  63     $ref: /schemas/types.yaml#/definitions/flag
  64     description: same as fsia
  65
  66   fsib,use-internal-clock:
  67     $ref: /schemas/types.yaml#/definitions/flag
  68     description: same as fsia
  69
  70 required:
  71   - compatible
  72   - reg
  73   - interrupts
  74   - clocks
  75   - power-domains
  76   - '#sound-dai-cells'
  77
  78 additionalProperties: false
  79
  80 examples:
  81   - |
  82     #include <dt-bindings/clock/r8a7740-clock.h>
  83     #include <dt-bindings/interrupt-controller/arm-gic.h>
  84     sh_fsi2: sound@fe1f0000 {
  85             compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2";
  86             reg = <0xfe1f0000 0x400>;
  87             interrupts = <GIC_SPI 9 0x4>;
  88             clocks = <&mstp3_clks R8A7740_CLK_FSI>;
  89             power-domains = <&pd_a4mp>;
  90
  91             #sound-dai-cells = <1>;
  92             fsia,spdif-connection;
  93             fsia,stream-mode-support;
  94             fsia,use-internal-clock;
  95     };