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| -rw-r--r-- | Documentation/devicetree/bindings/sound/realtek,rt5575.yaml | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/realtek,rt5575.yaml b/Documentation/devicetree/bindings/sound/realtek,rt5575.yaml new file mode 100644 index 000000000000..981ebc39b195 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/realtek,rt5575.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/realtek,rt5575.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ALC5575 audio CODEC + +maintainers: + - Oder Chiou <oder_chiou@realtek.com> + +description: + The device supports both I2C and SPI. I2C is mandatory, while SPI is + optional depending on the hardware configuration. SPI is used for + firmware loading if present. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: realtek,rt5575 + + reg: + maxItems: 1 + + spi-parent: + description: + Optional phandle reference to the SPI controller used for firmware + loading. The argument specifies the chip select. + $ref: /schemas/types.yaml#/definitions/phandle-array + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + # I2C-only node + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + codec@57 { + compatible = "realtek,rt5575"; + reg = <0x57>; + }; + }; + + # I2C + optional SPI node + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + codec@57 { + compatible = "realtek,rt5575"; + reg = <0x57>; + spi-parent = <&spi0 0>; /* chip-select 0 */ + }; + }; |