1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/wlf,arizona.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Cirrus Logic/Wolfson Microelectronics Arizona class audio SoCs 8 9maintainers: 10 - patches@opensource.cirrus.com 11 12description: | 13 These devices are audio SoCs with extensive digital capabilities and a range 14 of analogue I/O. 15 16 This document lists sound specific bindings, see the primary binding 17 document ../mfd/arizona.yaml 18 19properties: 20 '#sound-dai-cells': 21 description: 22 The first cell indicating the audio interface. 23 const: 1 24 25 wlf,inmode: 26 description: 27 A list of INn_MODE register values, where n is the number of input 28 signals. Valid values are 0 (Differential), 1 (Single-ended) and 29 2 (Digital Microphone). If absent, INn_MODE registers set to 0 by 30 default. If present, values must be specified less than or equal 31 to the number of input signals. If values less than the number of 32 input signals, elements that have not been specified are set to 0 by 33 default. Entries are <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280, 34 wm8997) and <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814) 35 $ref: /schemas/types.yaml#/definitions/uint32-array 36 minItems: 1 37 maxItems: 4 38 items: 39 minimum: 0 40 maximum: 2 41 default: 0 42 43 wlf,out-mono: 44 description: 45 A list of boolean values indicating whether each output is mono 46 or stereo. Position within the list indicates the output affected 47 (eg. First entry in the list corresponds to output 1). A non-zero 48 value indicates a mono output. If present, the number of values 49 should be less than or equal to the number of outputs, if less values 50 are supplied the additional outputs will be treated as stereo. 51 $ref: /schemas/types.yaml#/definitions/uint32-array 52 minItems: 1 53 maxItems: 6 54 items: 55 minimum: 0 56 maximum: 1 57 default: 0 58 59 wlf,dmic-ref: 60 description: 61 DMIC reference voltage source for each input, can be selected from 62 either MICVDD or one of the MICBIAS's, defines (ARIZONA_DMIC_xxxx) 63 are provided in dt-bindings/mfd/arizona.h. If present, the number 64 of values should be less than or equal to the number of inputs, 65 unspecified inputs will use the chip default. 66 $ref: /schemas/types.yaml#/definitions/uint32-array 67 minItems: 1 68 maxItems: 4 69 items: 70 minimum: 0 71 maximum: 3 72 default: 0 73 74 wlf,max-channels-clocked: 75 description: 76 The maximum number of channels to be clocked on each AIF, useful for 77 I2S systems with multiple data lines being mastered. Specify one 78 cell for each AIF to be configured, specify zero for AIFs that should 79 be handled normally. If present, number of cells must be less than 80 or equal to the number of AIFs. If less than the number of AIFs, for 81 cells that have not been specified the corresponding AIFs will be 82 treated as default setting. 83 $ref: /schemas/types.yaml#/definitions/uint32-array 84 minItems: 1 85 maxItems: 3 86 items: 87 default: 0 88 89 wlf,spk-fmt: 90 description: 91 PDM speaker data format, must contain 2 cells (OUT5 and OUT6). See 92 the datasheet for values. The second cell is ignored for codecs that 93 do not have OUT6 (wm5102, wm8997, wm8998, wm1814) 94 $ref: /schemas/types.yaml#/definitions/uint32-array 95 minItems: 2 96 maxItems: 2 97 98 wlf,spk-mute: 99 description: 100 PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6). See 101 the datasheet for values. The second cell is ignored for codecs that 102 do not have OUT6 (wm5102, wm8997, wm8998, wm1814) 103 $ref: /schemas/types.yaml#/definitions/uint32-array 104 minItems: 2 105 maxItems: 2 106 107 wlf,out-volume-limit: 108 description: 109 The volume limit value that should be applied to each output 110 channel. See the datasheet for exact values. Channels are specified 111 in the order OUT1L, OUT1R, OUT2L, OUT2R, etc. 112 $ref: /schemas/types.yaml#/definitions/uint32-array 113 minItems: 1 114 maxItems: 12 115 116additionalProperties: true 117