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tactility/Platforms/platform-esp32/bindings/espressif,esp32-i2s.yaml
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2026-07-14 08:34:29 +02:00

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YAML

description: ESP32 I2S Controller
include: ["i2s-controller.yaml"]
compatible: "espressif,esp32-i2s"
properties:
port:
type: int
required: true
description: |
The port number, defined by i2s_port_t.
Depending on the hardware, these values are available: I2S_NUM_0, I2S_NUM_1
pin-bclk:
type: phandles
default: GPIO_PIN_SPEC_NONE
description: Bit clock pin. Not used in PDM RX mode (e.g. a PDM microphone), where pin-ws carries the PDM clock instead.
pin-ws:
type: phandles
required: true
description: Word (slot) select pin. Doubles as the PDM clock pin in PDM RX mode.
pin-data-out:
type: phandles
default: GPIO_PIN_SPEC_NONE
description: Data output pin
pin-data-in:
type: phandles
default: GPIO_PIN_SPEC_NONE
description: Data input pin
pin-mclk:
type: phandles
default: GPIO_PIN_SPEC_NONE
description: Master clock pin