# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/wlf,wm8904.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Wolfson WM8904/WM8912 audio codecs maintainers: - patches@opensource.cirrus.com description: | Pins on the device (for linking into audio routes): IN1L, IN1R, IN2L, IN2R, IN3L, IN3R, HPOUTL, HPOUTR, LINEOUTL, LINEOUTR, MICBIAS properties: compatible: enum: - wlf,wm8904 - wlf,wm8912 reg: maxItems: 1 "#sound-dai-cells": const: 0 clocks: maxItems: 1 clock-names: const: mclk AVDD-supply: true CPVDD-supply: true DBVDD-supply: true DCVDD-supply: true MICVDD-supply: true wlf,in1l-as-dmicdat1: type: boolean description: Use IN1L/DMICDAT1 as DMICDAT1, enabling the DMIC input path. Can be used separately or together with wlf,in1r-as-dmicdat2. wlf,in1r-as-dmicdat2: type: boolean description: Use IN1R/DMICDAT2 as DMICDAT2, enabling the DMIC input path. Can be used separately or together with wlf,in1l-as-dmicdat1. wlf,gpio-cfg: $ref: /schemas/types.yaml#/definitions/uint32-array minItems: 4 maxItems: 4 description: Default register values for R121/122/123/124 (GPIO Control). If any entry has the value 0xFFFF, the related register won't be set. default: [0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF] wlf,micbias-cfg: $ref: /schemas/types.yaml#/definitions/uint32-array minItems: 2 maxItems: 2 description: Default register values for R6/R7 (Mic Bias Control). default: [0, 0] wlf,drc-cfg-names: $ref: /schemas/types.yaml#/definitions/string-array description: List of strings for the available DRC modes. If absent, DRC is disabled. wlf,drc-cfg-regs: $ref: /schemas/types.yaml#/definitions/uint16-matrix description: Sets of default register values for R40/41/42/43 (DRC). Each set corresponds to a DRC mode, so the number of sets should equal the length of wlf,drc-cfg-names. If absent, DRC is disabled. items: minItems: 4 maxItems: 4 wlf,retune-mobile-cfg-names: $ref: /schemas/types.yaml#/definitions/non-unique-string-array description: List of strings for the available retune modes. If absent, retune is disabled. wlf,retune-mobile-cfg-hz: description: The list must be the same length as wlf,retune-mobile-cfg-names. If absent, retune is disabled. wlf,retune-mobile-cfg-regs: $ref: /schemas/types.yaml#/definitions/uint16-matrix description: Sets of default register values for R134/.../157 (EQ). Each set corresponds to a retune mode, so the number of sets should equal the length of wlf,retune-mobile-cfg-names. If absent, retune is disabled. items: minItems: 24 maxItems: 24 dependencies: wlf,drc-cfg-names: [ 'wlf,drc-cfg-regs' ] wlf,drc-cfg-regs: [ 'wlf,drc-cfg-names' ] wlf,retune-mobile-cfg-names: [ 'wlf,retune-mobile-cfg-hz', 'wlf,retune-mobile-cfg-regs' ] wlf,retune-mobile-cfg-regs: [ 'wlf,retune-mobile-cfg-names', 'wlf,retune-mobile-cfg-hz' ] wlf,retune-mobile-cfg-hz: [ 'wlf,retune-mobile-cfg-names', 'wlf,retune-mobile-cfg-regs' ] required: - compatible - reg - clocks - clock-names - AVDD-supply - CPVDD-supply - DBVDD-supply - DCVDD-supply - MICVDD-supply allOf: - $ref: dai-common.yaml# unevaluatedProperties: false examples: - | i2c { #address-cells = <1>; #size-cells = <0>; codec@1a { compatible = "wlf,wm8904"; reg = <0x1a>; clocks = <&pck0>; clock-names = "mclk"; AVDD-supply = <®_1p8v>; CPVDD-supply = <®_1p8v>; DBVDD-supply = <®_1p8v>; DCVDD-supply = <®_1p8v>; MICVDD-supply = <®_1p8v>; wlf,drc-cfg-names = "default", "peaklimiter", "tradition", "soft", "music"; /* * Config registers per name, respectively: * KNEE_IP = 0, KNEE_OP = 0, HI_COMP = 1, LO_COMP = 1 * KNEE_IP = -24, KNEE_OP = -6, HI_COMP = 1/4, LO_COMP = 1 * KNEE_IP = -42, KNEE_OP = -3, HI_COMP = 0, LO_COMP = 1 * KNEE_IP = -45, KNEE_OP = -9, HI_COMP = 1/8, LO_COMP = 1 * KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1 */ wlf,drc-cfg-regs = /bits/ 16 <0x01af 0x3248 0x0000 0x0000>, /bits/ 16 <0x04af 0x324b 0x0010 0x0408>, /bits/ 16 <0x04af 0x324b 0x0028 0x0704>, /bits/ 16 <0x04af 0x324b 0x0018 0x078c>, /bits/ 16 <0x04af 0x324b 0x0010 0x050e>; /* GPIO1 = DMIC_CLK, don't touch others */ wlf,gpio-cfg = <0x0018>, <0xffff>, <0xffff>, <0xffff>; /* Use IN1R as DMICDAT2, leave IN1L as an analog input path */ wlf,in1r-as-dmicdat2; wlf,retune-mobile-cfg-names = "bassboost", "bassboost", "treble"; wlf,retune-mobile-cfg-hz = <48000>, <44100>, <48000>; /* * Config registers per name, respectively: * EQ_ENA, 100 Hz, 300 Hz, 875 Hz, 2400 Hz, 6900 Hz * 1, +6 dB, +3 dB, 0 dB, 0 dB, 0 dB * 1, +6 dB, +3 dB, 0 dB, 0 dB, 0 dB * 1, -2 dB, -2 dB, 0 dB, 0 dB, +3 dB * Each one uses the defaults for ReTune Mobile registers 140-157 */ wlf,retune-mobile-cfg-regs = /bits/ 16 <0x1 0x12 0xf 0xc 0xc 0xc 0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>, /bits/ 16 <0x1 0x12 0xf 0xc 0xc 0xc 0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>, /bits/ 16 <0x1 0xa 0xa 0xc 0xc 0xf 0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>; }; };