1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/infineon,peb2466.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Infineon PEB2466 codec 8 9maintainers: 10 - Herve Codina <herve.codina@bootlin.com> 11 12description: | 13 The Infineon PEB2466 codec is a programmable DSP-based four channels codec 14 with filters capabilities. 15 16 The time-slots used by the codec must be set and so, the properties 17 'dai-tdm-slot-num', 'dai-tdm-slot-width', 'dai-tdm-slot-tx-mask' and 18 'dai-tdm-slot-rx-mask' must be present in the sound card node for sub-nodes 19 that involve the codec. The codec uses one 8bit time-slot per channel. 20 'dai-tdm-tdm-slot-with' must be set to 8. 21 22 The PEB2466 codec also supports 28 gpios (signaling pins). 23 24allOf: 25 - $ref: /schemas/spi/spi-peripheral-props.yaml 26 - $ref: dai-common.yaml# 27 28properties: 29 compatible: 30 const: infineon,peb2466 31 32 reg: 33 description: 34 SPI device address. 35 maxItems: 1 36 37 clocks: 38 items: 39 - description: Master clock 40 41 clock-names: 42 items: 43 - const: mclk 44 45 spi-max-frequency: 46 maximum: 8192000 47 48 reset-gpios: 49 description: 50 GPIO used to reset the device. 51 maxItems: 1 52 53 firmware-name: 54 $ref: /schemas/types.yaml#/definitions/string 55 description: 56 Filters coefficients file to load. If this property is omitted, internal 57 filters are disabled. 58 59 '#sound-dai-cells': 60 const: 0 61 62 '#gpio-cells': 63 const: 2 64 65 gpio-controller: true 66 67required: 68 - compatible 69 - reg 70 - '#sound-dai-cells' 71 - gpio-controller 72 - '#gpio-cells' 73 74unevaluatedProperties: false 75 76examples: 77 - | 78 #include <dt-bindings/gpio/gpio.h> 79 spi { 80 #address-cells = <1>; 81 #size-cells = <0>; 82 audio-codec@0 { 83 compatible = "infineon,peb2466"; 84 reg = <0>; 85 spi-max-frequency = <8192000>; 86 reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>; 87 #sound-dai-cells = <0>; 88 gpio-controller; 89 #gpio-cells = <2>; 90 }; 91 }; 92