# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip SPDIF transceiver
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description:
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The S/PDIF audio block is a stereo transceiver that allows the
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processor to receive and transmit digital audio via a coaxial or
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fibre cable.
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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oneOf:
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- const: rockchip,rk3066-spdif
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- const: rockchip,rk3228-spdif
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- const: rockchip,rk3328-spdif
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- const: rockchip,rk3366-spdif
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- const: rockchip,rk3368-spdif
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- const: rockchip,rk3399-spdif
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- const: rockchip,rk3568-spdif
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- const: rockchip,rk3588-spdif
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- items:
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- enum:
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- rockchip,rk3188-spdif
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- rockchip,rk3288-spdif
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- rockchip,rk3308-spdif
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- const: rockchip,rk3066-spdif
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: clock for SPDIF bus
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- description: clock for SPDIF controller
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clock-names:
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items:
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- const: mclk
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- const: hclk
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dmas:
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maxItems: 1
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dma-names:
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const: tx
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power-domains:
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maxItems: 1
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rockchip,grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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The phandle of the syscon node for the GRF register.
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Required property on RK3288.
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"#sound-dai-cells":
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const: 0
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- dmas
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- dma-names
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- "#sound-dai-cells"
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if:
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properties:
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compatible:
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contains:
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const: rockchip,rk3288-spdif
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then:
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required:
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- rockchip,grf
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/rk3188-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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spdif: spdif@1011e000 {
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compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
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reg = <0x1011e000 0x2000>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
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clock-names = "mclk", "hclk";
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dmas = <&dmac1_s 8>;
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dma-names = "tx";
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#sound-dai-cells = <0>;
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};
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