1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/sound/cirrus,lochnagar.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Cirrus Logic Lochnagar Audio Development Board 8 9 maintainers: 10 - patches@opensource.cirrus.com 11 12 description: | 13 Lochnagar is an evaluation and development board for Cirrus Logic 14 Smart CODEC and Amp devices. It allows the connection of most Cirrus 15 Logic devices on mini-cards, as well as allowing connection of various 16 application processor systems to provide a full evaluation platform. 17 Audio system topology, clocking and power can all be controlled through 18 the Lochnagar, allowing the device under test to be used in a variety of 19 possible use cases. 20 21 This binding document describes the binding for the audio portion of the 22 driver. 23 24 This binding must be part of the Lochnagar MFD binding: 25 [1] ../mfd/cirrus,lochnagar.yaml 26 27 allOf: 28 - $ref: dai-common.yaml# 29 30 properties: 31 compatible: 32 enum: 33 - cirrus,lochnagar2-soundcard 34 35 '#sound-dai-cells': 36 description: 37 The first cell indicating the audio interface. 38 const: 1 39 40 clocks: 41 description: 42 Master clock source for the sound card, should normally be set to 43 LOCHNAGAR_SOUNDCARD_MCLK provided by the Lochnagar clock driver. 44 maxItems: 1 45 46 clock-names: 47 const: mclk 48 49 required: 50 - compatible 51 - '#sound-dai-cells' 52 - clocks 53 - clock-names 54 55 unevaluatedProperties: false
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