113b1b952SAlexander Sverdlin# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 213b1b952SAlexander Sverdlin%YAML 1.2 313b1b952SAlexander Sverdlin--- 413b1b952SAlexander Sverdlin$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml# 513b1b952SAlexander Sverdlin$schema: http://devicetree.org/meta-schemas/core.yaml# 613b1b952SAlexander Sverdlin 713b1b952SAlexander Sverdlintitle: Cirrus EP93xx I2S Controller 813b1b952SAlexander Sverdlin 913b1b952SAlexander Sverdlindescription: | 1013b1b952SAlexander Sverdlin The I2S controller is used to stream serial audio data between the external 1113b1b952SAlexander Sverdlin I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left- 1213b1b952SAlexander Sverdlin and Right-Justified DSP formats. 1313b1b952SAlexander Sverdlin 1413b1b952SAlexander Sverdlinmaintainers: 1513b1b952SAlexander Sverdlin - Alexander Sverdlin <alexander.sverdlin@gmail.com> 1613b1b952SAlexander Sverdlin 1713b1b952SAlexander SverdlinallOf: 1813b1b952SAlexander Sverdlin - $ref: dai-common.yaml# 1913b1b952SAlexander Sverdlin 2013b1b952SAlexander Sverdlinproperties: 2113b1b952SAlexander Sverdlin compatible: 2213b1b952SAlexander Sverdlin const: cirrus,ep9301-i2s 2313b1b952SAlexander Sverdlin 2413b1b952SAlexander Sverdlin '#sound-dai-cells': 2513b1b952SAlexander Sverdlin const: 0 2613b1b952SAlexander Sverdlin 2713b1b952SAlexander Sverdlin reg: 2813b1b952SAlexander Sverdlin maxItems: 1 2913b1b952SAlexander Sverdlin 3013b1b952SAlexander Sverdlin interrupts: 3113b1b952SAlexander Sverdlin maxItems: 1 3213b1b952SAlexander Sverdlin 3313b1b952SAlexander Sverdlin clocks: 3413b1b952SAlexander Sverdlin minItems: 3 3513b1b952SAlexander Sverdlin maxItems: 3 3613b1b952SAlexander Sverdlin 3713b1b952SAlexander Sverdlin clock-names: 3813b1b952SAlexander Sverdlin items: 3913b1b952SAlexander Sverdlin - const: mclk 4013b1b952SAlexander Sverdlin - const: sclk 4113b1b952SAlexander Sverdlin - const: lrclk 4213b1b952SAlexander Sverdlin 43bae9f789SNikita Shubin dmas: 44bae9f789SNikita Shubin items: 45bae9f789SNikita Shubin - description: out DMA channel 46bae9f789SNikita Shubin - description: in DMA channel 47bae9f789SNikita Shubin 48bae9f789SNikita Shubin dma-names: 49bae9f789SNikita Shubin items: 50bae9f789SNikita Shubin - const: tx 51bae9f789SNikita Shubin - const: rx 52bae9f789SNikita Shubin 53*fb37c3a9SNikita Shubin port: 54*fb37c3a9SNikita Shubin $ref: audio-graph-port.yaml# 55*fb37c3a9SNikita Shubin unevaluatedProperties: false 56*fb37c3a9SNikita Shubin 5713b1b952SAlexander Sverdlinrequired: 5813b1b952SAlexander Sverdlin - compatible 5913b1b952SAlexander Sverdlin - '#sound-dai-cells' 6013b1b952SAlexander Sverdlin - reg 6113b1b952SAlexander Sverdlin - clocks 6213b1b952SAlexander Sverdlin - clock-names 6313b1b952SAlexander Sverdlin 6413b1b952SAlexander SverdlinadditionalProperties: false 6513b1b952SAlexander Sverdlin 6613b1b952SAlexander Sverdlinexamples: 6713b1b952SAlexander Sverdlin - | 6813b1b952SAlexander Sverdlin i2s: i2s@80820000 { 6913b1b952SAlexander Sverdlin compatible = "cirrus,ep9301-i2s"; 7013b1b952SAlexander Sverdlin #sound-dai-cells = <0>; 7113b1b952SAlexander Sverdlin reg = <0x80820000 0x100>; 7213b1b952SAlexander Sverdlin interrupt-parent = <&vic1>; 7313b1b952SAlexander Sverdlin interrupts = <28>; 7413b1b952SAlexander Sverdlin clocks = <&syscon 29>, 7513b1b952SAlexander Sverdlin <&syscon 30>, 7613b1b952SAlexander Sverdlin <&syscon 31>; 7713b1b952SAlexander Sverdlin clock-names = "mclk", "sclk", "lrclk"; 78bae9f789SNikita Shubin dmas = <&dma0 0 1>, <&dma0 0 2>; 79bae9f789SNikita Shubin dma-names = "tx", "rx"; 8013b1b952SAlexander Sverdlin }; 8113b1b952SAlexander Sverdlin 8213b1b952SAlexander Sverdlin... 83