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af4c0b951b
Audio codec with I2S, I2C and SPI. Signed-off-by: Oder Chiou <oder_chiou@realtek.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/cad38383a8f4c7235158779c270fee7f61bf6cfe.1767148150.git.oder_chiou@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
62 lines
1.3 KiB
YAML
62 lines
1.3 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/realtek,rt5575.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ALC5575 audio CODEC
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maintainers:
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- Oder Chiou <oder_chiou@realtek.com>
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description:
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The device supports both I2C and SPI. I2C is mandatory, while SPI is
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optional depending on the hardware configuration. SPI is used for
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firmware loading if present.
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: realtek,rt5575
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reg:
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maxItems: 1
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spi-parent:
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description:
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Optional phandle reference to the SPI controller used for firmware
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loading. The argument specifies the chip select.
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$ref: /schemas/types.yaml#/definitions/phandle-array
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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# I2C-only node
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec@57 {
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compatible = "realtek,rt5575";
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reg = <0x57>;
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};
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};
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# I2C + optional SPI node
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec@57 {
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compatible = "realtek,rt5575";
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reg = <0x57>;
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spi-parent = <&spi0 0>; /* chip-select 0 */
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};
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};
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