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Documentation/devicetree/bindings/sound/rockchip-spdif.txt
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Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
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# SPDX-License-Identifier: GPL-2.0 | ||
%YAML 1.2 | ||
--- | ||
$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml# | ||
$schema: http://devicetree.org/meta-schemas/core.yaml# | ||
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title: Rockchip SPDIF transceiver | ||
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description: | ||
The S/PDIF audio block is a stereo transceiver that allows the | ||
processor to receive and transmit digital audio via a coaxial or | ||
fibre cable. | ||
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maintainers: | ||
- Heiko Stuebner <[email protected]> | ||
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properties: | ||
compatible: | ||
oneOf: | ||
- const: rockchip,rk3066-spdif | ||
- const: rockchip,rk3228-spdif | ||
- const: rockchip,rk3328-spdif | ||
- const: rockchip,rk3366-spdif | ||
- const: rockchip,rk3368-spdif | ||
- const: rockchip,rk3399-spdif | ||
- items: | ||
- enum: | ||
- rockchip,rk3188-spdif | ||
- rockchip,rk3288-spdif | ||
- const: rockchip,rk3066-spdif | ||
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reg: | ||
maxItems: 1 | ||
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interrupts: | ||
maxItems: 1 | ||
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clocks: | ||
items: | ||
- description: clock for SPDIF bus | ||
- description: clock for SPDIF controller | ||
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clock-names: | ||
items: | ||
- const: mclk | ||
- const: hclk | ||
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dmas: | ||
maxItems: 1 | ||
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dma-names: | ||
const: tx | ||
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power-domains: | ||
maxItems: 1 | ||
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rockchip,grf: | ||
$ref: /schemas/types.yaml#/definitions/phandle | ||
description: | ||
The phandle of the syscon node for the GRF register. | ||
Required property on RK3288. | ||
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"#sound-dai-cells": | ||
const: 0 | ||
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required: | ||
- compatible | ||
- reg | ||
- interrupts | ||
- clocks | ||
- clock-names | ||
- dmas | ||
- dma-names | ||
- "#sound-dai-cells" | ||
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if: | ||
properties: | ||
compatible: | ||
contains: | ||
const: rockchip,rk3288-spdif | ||
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then: | ||
required: | ||
- rockchip,grf | ||
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additionalProperties: false | ||
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examples: | ||
- | | ||
#include <dt-bindings/clock/rk3188-cru.h> | ||
#include <dt-bindings/interrupt-controller/arm-gic.h> | ||
spdif: spdif@1011e000 { | ||
compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif"; | ||
reg = <0x1011e000 0x2000>; | ||
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; | ||
clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>; | ||
clock-names = "mclk", "hclk"; | ||
dmas = <&dmac1_s 8>; | ||
dma-names = "tx"; | ||
#sound-dai-cells = <0>; | ||
}; |
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