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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
maintainers:
- Olivier Moysan <olivier.moysan@foss.st.com>
description: |
The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
IEC-60958 and IEC-61937.
properties:
compatible:
enum:
- st,stm32h7-spdifrx
"#sound-dai-cells":
const: 0
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: kclk
interrupts:
maxItems: 1
dmas:
items:
- description: audio data capture DMA
- description: IEC status bits capture DMA
dma-names:
items:
- const: rx
- const: rx-ctrl
resets:
maxItems: 1
required:
- compatible
- "#sound-dai-cells"
- reg
- clocks
- clock-names
- interrupts
- dmas
- dma-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/stm32mp1-clks.h>
spdifrx: spdifrx@40004000 {
compatible = "st,stm32h7-spdifrx";
#sound-dai-cells = <0>;
reg = <0x40004000 0x400>;
clocks = <&rcc SPDIF_K>;
clock-names = "kclk";
interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dmamux1 2 93 0x400 0x0>,
<&dmamux1 3 94 0x400 0x0>;
dma-names = "rx", "rx-ctrl";
pinctrl-0 = <&spdifrx_pins>;
pinctrl-names = "default";
};
...
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