The Infineon PEB2466 codec is a programmable DSP-based four channels codec with filters capabilities.
Signed-off-by: Herve Codina herve.codina@bootlin.com --- .../bindings/sound/infineon,peb2466.yaml | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/infineon,peb2466.yaml
diff --git a/Documentation/devicetree/bindings/sound/infineon,peb2466.yaml b/Documentation/devicetree/bindings/sound/infineon,peb2466.yaml new file mode 100644 index 000000000000..66993d378aaf --- /dev/null +++ b/Documentation/devicetree/bindings/sound/infineon,peb2466.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/infineon,peb2466.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Infineon PEB2466 codec + +maintainers: + - Herve Codina herve.codina@bootlin.com + +description: | + The Infineon PEB2466 codec is a programmable DSP-based four channels codec + with filters capabilities. + + The time-slots used by the codec must be set and so, the properties + 'dai-tdm-slot-num', 'dai-tdm-slot-width', 'dai-tdm-slot-tx-mask' and + 'dai-tdm-slot-rx-mask' must be present in the sound card node for sub-nodes + that involve the codec. The codec uses one 8bit time-slot per channel. + 'dai-tdm-tdm-slot-with' must be set to 8. + + The PEB2466 codec also supports 28 gpios (signaling pins). + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml + - $ref: dai-common.yaml# + +properties: + compatible: + const: infineon,peb2466 + + reg: + description: + SPI device address. + maxItems: 1 + + clocks: + items: + - description: Master clock + + clock-names: + items: + - const: mclk + + spi-max-frequency: + maximum: 8192000 + + reset-gpios: + description: + GPIO used to reset the device. + maxItems: 1 + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + description: + Filters coefficients file to load. If this property is omitted, internal + filters are disabled. + + '#sound-dai-cells': + const: 0 + + '#gpio-cells': + const: 2 + + gpio-controller: true + +required: + - compatible + - reg + - '#sound-dai-cells' + - gpio-controller + - '#gpio-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + audio-codec@0 { + compatible = "infineon,peb2466"; + reg = <0>; + spi-max-frequency = <8192000>; + reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>; + #sound-dai-cells = <0>; + gpio-controller; + #gpio-cells = <2>; + }; + };