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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/cirrus,lochnagar.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cirrus Logic Lochnagar Audio Development Board
maintainers:
- patches@opensource.cirrus.com
description: |
Lochnagar is an evaluation and development board for Cirrus Logic
Smart CODEC and Amp devices. It allows the connection of most Cirrus
Logic devices on mini-cards, as well as allowing connection of various
application processor systems to provide a full evaluation platform.
Audio system topology, clocking and power can all be controlled through
the Lochnagar, allowing the device under test to be used in a variety of
possible use cases.
This binding document describes the binding for the audio portion of the
driver.
This binding must be part of the Lochnagar MFD binding:
[1] ../mfd/cirrus,lochnagar.yaml
properties:
compatible:
enum:
- cirrus,lochnagar2-soundcard
'#sound-dai-cells':
description:
The first cell indicating the audio interface.
const: 1
clocks:
description:
Master clock source for the sound card, should normally be set to
LOCHNAGAR_SOUNDCARD_MCLK provided by the Lochnagar clock driver.
maxItems: 1
clock-names:
const: mclk
required:
- compatible
- '#sound-dai-cells'
- clocks
- clock-names
additionalProperties: false
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