Documentation/devicetree/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 allOf:
  13   - $ref: dai-common.yaml#
  14
  15 properties:
  16   $nodename:
  17     pattern: "^sound@.*"
  18
  19   compatible:
  20     oneOf:
  21       # for FSI2 SoC
  22       - items:
  23           - enum:
  24               - renesas,fsi2-sh73a0  # SH-Mobile AG5
  25               - renesas,fsi2-r8a7740 # R-Mobile A1
  26           - enum:
  27               - renesas,sh_fsi2
  28       # for Generic
  29       - items:
  30           - enum:
  31               - renesas,sh_fsi
  32               - renesas,sh_fsi2
  33
  34   reg:
  35     maxItems: 1
  36
  37   interrupts:
  38     maxItems: 1
  39
  40   clocks:
  41     maxItems: 1
  42
  43   power-domains:
  44     maxItems: 1
  45
  46   '#sound-dai-cells':
  47     const: 1
  48
  49 patternProperties:
  50   "^fsi(a|b),spdif-connection$":
  51     $ref: /schemas/types.yaml#/definitions/flag
  52     description: FSI is connected by S/PDIF
  53
  54   "^fsi(a|b),stream-mode-support$":
  55     $ref: /schemas/types.yaml#/definitions/flag
  56     description: FSI supports 16bit stream mode
  57
  58   "^fsi(a|b),use-internal-clock$":
  59     $ref: /schemas/types.yaml#/definitions/flag
  60     description: FSI uses internal clock when master mode
  61
  62 required:
  63   - compatible
  64   - reg
  65   - interrupts
  66   - clocks
  67   - power-domains
  68   - '#sound-dai-cells'
  69
  70 unevaluatedProperties: false
  71
  72 examples:
  73   - |
  74     #include <dt-bindings/clock/r8a7740-clock.h>
  75     #include <dt-bindings/interrupt-controller/arm-gic.h>
  76     sh_fsi2: sound@fe1f0000 {
  77             compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2";
  78             reg = <0xfe1f0000 0x400>;
  79             interrupts = <GIC_SPI 9 0x4>;
  80             clocks = <&mstp3_clks R8A7740_CLK_FSI>;
  81             power-domains = <&pd_a4mp>;
  82
  83             #sound-dai-cells = <1>;
  84             fsia,spdif-connection;
  85             fsia,stream-mode-support;
  86             fsia,use-internal-clock;
  87     };