Documentation/devicetree/bindings/sound/ti,tlv320aic32x4.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright (C) 2019 Texas Instruments Incorporated
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/sound/ti,tlv320aic32x4.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Texas Instruments TLV320AIC32x4 Stereo Audio codec
   9
  10 maintainers:
  11   - Alexander Stein <alexander.stein@ew.tq-group.com>
  12
  13 description: |
  14   The TLV320AIC32x4 audio codec can be accessed using I2C or SPI
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - ti,tas2505
  20       - ti,tlv320aic32x4
  21       - ti,tlv320aic32x6
  22
  23   reg:
  24     maxItems: 1
  25
  26   clocks:
  27     items:
  28       - description: Master clock
  29
  30   clock-names:
  31     items:
  32       - const: mclk
  33
  34   av-supply:
  35     description: Analog core power supply
  36
  37   dv-supply:
  38     description: Digital core power supply
  39
  40   iov-supply:
  41     description: Digital IO power supply
  42
  43   ldoin-supply:
  44     description: LDO power supply
  45
  46   reset-gpios:
  47     maxItems: 1
  48
  49   '#sound-dai-cells':
  50     const: 0
  51
  52   aic32x4-gpio-func:
  53     description: |
  54        GPIO function configuration for pins MFP1-MFP5.
  55        Types are defined in include/sound/tlv320aic32x4.h
  56     $ref: /schemas/types.yaml#/definitions/uint32-array
  57     minItems: 5
  58     maxItems: 5
  59
  60 required:
  61   - compatible
  62   - reg
  63   - clocks
  64   - clock-names
  65   - iov-supply
  66
  67 allOf:
  68   - $ref: dai-common.yaml#
  69   - if:
  70       not:
  71         required:
  72           - ldoin-supply
  73     then:
  74       required:
  75         - av-supply
  76         - dv-supply
  77
  78 additionalProperties: false
  79
  80 examples:
  81   - |
  82     #include <dt-bindings/gpio/gpio.h>
  83     i2c {
  84       #address-cells = <1>;
  85       #size-cells = <0>;
  86       audio-codec@18 {
  87         compatible = "ti,tlv320aic32x4";
  88         reg = <0x18>;
  89         iov-supply = <&reg_3v3>;
  90         ldoin-supply = <&reg_3v3>;
  91         clocks = <&clks 201>;
  92         clock-names = "mclk";
  93         aic32x4-gpio-func = <
  94           0xff /* AIC32X4_MFPX_DEFAULT_VALUE */
  95           0xff /* AIC32X4_MFPX_DEFAULT_VALUE */
  96           0x04 /* MFP3 AIC32X4_MFP3_GPIO_ENABLED */
  97           0xff /* AIC32X4_MFPX_DEFAULT_VALUE */
  98           0x08 /* MFP5 AIC32X4_MFP5_GPIO_INPUT */
  99         >;
 100       };
 101     };