Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2020 Intel Corporation
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Intel KeemBay I2S Device Tree Bindings
   9
  10 maintainers:
  11   - Sia, Jee Heng <jee.heng.sia@intel.com>
  12
  13 description: |
  14  Intel KeemBay I2S
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - intel,keembay-i2s
  20       - intel,keembay-tdm
  21
  22   "#sound-dai-cells":
  23     const: 0
  24
  25   reg:
  26     items:
  27       - description: I2S registers
  28       - description: I2S gen configuration
  29
  30   reg-names:
  31     items:
  32       - const: i2s-regs
  33       - const: i2s_gen_cfg
  34
  35   interrupts:
  36     maxItems: 1
  37
  38   clocks:
  39     items:
  40       - description: Bus Clock
  41       - description: Module Clock
  42
  43   clock-names:
  44     items:
  45       - const: osc
  46       - const: apb_clk
  47
  48 required:
  49   - compatible
  50   - "#sound-dai-cells"
  51   - reg
  52   - clocks
  53   - clock-names
  54   - interrupts
  55
  56 additionalProperties: false
  57
  58 examples:
  59   - |
  60      #include <dt-bindings/interrupt-controller/arm-gic.h>
  61      #include <dt-bindings/interrupt-controller/irq.h>
  62      #define KEEM_BAY_PSS_AUX_I2S3
  63      #define KEEM_BAY_PSS_I2S3
  64      i2s3: i2s@20140000 {
  65          compatible = "intel,keembay-i2s";
  66          #sound-dai-cells = <0>;
  67          reg = <0x20140000 0x200>, /* I2S registers */
  68                <0x202a00a4 0x4>; /* I2S gen configuration */
  69          reg-names = "i2s-regs", "i2s_gen_cfg";
  70          interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
  71          clock-names = "osc", "apb_clk";
  72          clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>;
  73      };