1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Cirrus EP93xx I2S Controller
10 The I2S controller is used to stream serial audio data between the external
11 I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
12 and Right-Justified DSP formats.
15 - Alexander Sverdlin <alexander.sverdlin@gmail.com>
18 - $ref: dai-common.yaml#
22 const: cirrus,ep9301-i2s
45 - description: out DMA channel
46 - description: in DMA channel
54 $ref: audio-graph-port.yaml#
55 unevaluatedProperties: false
64 additionalProperties: false
69 compatible = "cirrus,ep9301-i2s";
70 #sound-dai-cells = <0>;
71 reg = <0x80820000 0x100>;
72 interrupt-parent = <&vic1>;
74 clocks = <&syscon 29>,
77 clock-names = "mclk", "sclk", "lrclk";
78 dmas = <&dma0 0 1>, <&dma0 0 2>;
79 dma-names = "tx", "rx";