1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/sound/st,stm32-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STM32 SPI/I2S Controller
10 - Olivier Moysan <olivier.moysan@foss.st.com>
13 The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode.
14 Only some SPI instances support I2S.
17 - $ref: dai-common.yaml#
32 - description: clock feeding the peripheral bus interface.
33 - description: clock feeding the internal clock generator.
34 - description: I2S parent clock for sampling rates multiple of 8kHz.
35 - description: I2S parent clock for sampling rates multiple of 11.025kHz.
49 - description: audio capture DMA.
50 - description: audio playback DMA.
61 description: Configure the I2S device as MCLK clock provider.
65 $ref: audio-graph-port.yaml#
66 unevaluatedProperties: false
78 unevaluatedProperties: false
82 #include <dt-bindings/interrupt-controller/arm-gic.h>
83 #include <dt-bindings/clock/stm32mp1-clks.h>
84 i2s2: audio-controller@4000b000 {
85 compatible = "st,stm32h7-i2s";
86 #sound-dai-cells = <0>;
87 reg = <0x4000b000 0x400>;
88 clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
89 clock-names = "pclk", "i2sclk", "x8k", "x11k";
90 interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
91 dmas = <&dmamux1 39 0x400 0x01>,
92 <&dmamux1 40 0x400 0x01>;
93 dma-names = "rx", "tx";
94 pinctrl-names = "default";
95 pinctrl-0 = <&i2s2_pins_a>;
97 /* assume audio-graph */
99 codec_endpoint: endpoint {
100 remote-endpoint = <&codec_endpoint>;