Documentation/devicetree/bindings/sound/renesas,rz-ssi.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/renesas,rz-ssi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas RZ/{G2L,V2L} ASoC Sound Serial Interface (SSIF-2)
   8
   9 maintainers:
  10   - Biju Das <biju.das.jz@bp.renesas.com>
  11
  12 allOf:
  13   - $ref: dai-common.yaml#
  14
  15 properties:
  16   compatible:
  17     items:
  18       - enum:
  19           - renesas,r9a07g043-ssi  # RZ/G2UL and RZ/Five
  20           - renesas,r9a07g044-ssi  # RZ/G2{L,LC}
  21           - renesas,r9a07g054-ssi  # RZ/V2L
  22           - renesas,r9a08g045-ssi  # RZ/G3S
  23       - const: renesas,rz-ssi
  24
  25   reg:
  26     maxItems: 1
  27
  28   interrupts:
  29     minItems: 2
  30     maxItems: 3
  31
  32   interrupt-names:
  33     oneOf:
  34       - items:
  35           - const: int_req
  36           - const: dma_rx
  37           - const: dma_tx
  38       - items:
  39           - const: int_req
  40           - const: dma_rt
  41
  42   clocks:
  43     maxItems: 4
  44
  45   clock-names:
  46     items:
  47       - const: ssi
  48       - const: ssi_sfr
  49       - const: audio_clk1
  50       - const: audio_clk2
  51
  52   power-domains:
  53     maxItems: 1
  54
  55   resets:
  56     maxItems: 1
  57
  58   dmas:
  59     minItems: 1
  60     maxItems: 2
  61
  62   dma-names:
  63     oneOf:
  64       - items:
  65           - const: tx
  66           - const: rx
  67       - items:
  68           - const: rt
  69
  70   '#sound-dai-cells':
  71     const: 0
  72
  73   port:
  74     $ref: audio-graph-port.yaml#/definitions/port-base
  75     description: Connection to controller providing I2S signals
  76
  77 required:
  78   - compatible
  79   - reg
  80   - interrupts
  81   - interrupt-names
  82   - clocks
  83   - clock-names
  84   - resets
  85   - '#sound-dai-cells'
  86
  87 unevaluatedProperties: false
  88
  89 examples:
  90   - |
  91     #include <dt-bindings/interrupt-controller/arm-gic.h>
  92     #include <dt-bindings/clock/r9a07g044-cpg.h>
  93
  94     ssi0: ssi@10049c00 {
  95         compatible = "renesas,r9a07g044-ssi",
  96                      "renesas,rz-ssi";
  97             reg = <0x10049c00 0x400>;
  98             interrupts = <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
  99                          <GIC_SPI 327 IRQ_TYPE_EDGE_RISING>,
 100                          <GIC_SPI 328 IRQ_TYPE_EDGE_RISING>;
 101             interrupt-names = "int_req", "dma_rx", "dma_tx";
 102             clocks = <&cpg CPG_MOD R9A07G044_SSI0_PCLK2>,
 103                      <&cpg CPG_MOD R9A07G044_SSI0_PCLK_SFR>,
 104                      <&audio_clk1>,
 105                      <&audio_clk2>;
 106             clock-names = "ssi", "ssi_sfr", "audio_clk1", "audio_clk2";
 107             power-domains = <&cpg>;
 108             resets = <&cpg R9A07G044_SSI0_RST_M2_REG>;
 109             dmas = <&dmac 0x2655>,
 110                    <&dmac 0x2656>;
 111             dma-names = "tx", "rx";
 112             #sound-dai-cells = <0>;
 113     };