ASoC: add DT bindings for Microchip S/PDIF RX Controller

This patch adds DT bindings for the new Microchip S/PDIF RX Controller
embedded inside sama7g5 SoCs.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20201002160305.815523-2-codrin.ciubotariu@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Codrin Ciubotariu 2020-10-02 19:03:04 +03:00 committed by Mark Brown
parent ef265c55c1
commit 80db8751d7
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mchp,spdifrx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip S/PDIF Rx Controller Device Tree Bindings
maintainers:
- Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
description:
The Microchip Sony/Philips Digital Interface Receiver is a
serial port compliant with the IEC-60958 standard.
properties:
"#sound-dai-cells":
const: 0
compatible:
const: microchip,sama7g5-spdifrx
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: Peripheral Bus Clock
- description: Generic Clock
clock-names:
items:
- const: pclk
- const: gclk
dmas:
description: RX DMA Channel
maxItems: 1
dma-names:
const: rx
required:
- "#sound-dai-cells"
- compatible
- reg
- interrupts
- clocks
- clock-names
- dmas
- dma-names
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/at91.h>
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
spdifrx: spdifrx@e1614000 {
#sound-dai-cells = <0>;
compatible = "microchip,sama7g5-spdifrx";
reg = <0xe1614000 0x4000>;
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dma0 AT91_XDMAC_DT_PERID(49)>;
dma-names = "rx";
clocks = <&pmc PMC_TYPE_PERIPHERAL 84>, <&pmc PMC_TYPE_GCK 84>;
clock-names = "pclk", "gclk";
};