bindings/sound/st%2Cstm32-i2s.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
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@st.com>
19       - st,stm32h7-i2s
21   "#sound-dai-cells":
29       - description: clock feeding the peripheral bus interface.
30       - description: clock feeding the internal clock generator.
31       - description: I2S parent clock for sampling rates multiple of 8kHz.
32       - description: I2S parent clock for sampling rates multiple of 11.025kHz.
34   clock-names:
36       - const: pclk
37       - const: i2sclk
38       - const: x8k
39       - const: x11k
46       - description: audio capture DMA.
47       - description: audio playback DMA.
49   dma-names:
51       - const: rx
52       - const: tx
58   - compatible
59   - "#sound-dai-cells"
60   - reg
61   - clocks
62   - clock-names
63   - interrupts
64   - dmas
65   - dma-names
70   - |
71     #include <dt-bindings/interrupt-controller/arm-gic.h>
72     #include <dt-bindings/clock/stm32mp1-clks.h>
73     i2s2: audio-controller@4000b000 {
74         compatible = "st,stm32h7-i2s";
75         #sound-dai-cells = <0>;
78         clock-names = "pclk", "i2sclk", "x8k", "x11k";
82         dma-names = "rx", "tx";
83         pinctrl-names = "default";
84         pinctrl-0 = <&i2s2_pins_a>;