diff options
author | Oleksij Rempel <o.rempel@pengutronix.de> | 2025-03-05 14:14:22 +0100 |
---|---|---|
committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2025-03-11 09:14:08 +0100 |
commit | e0f4274365de5bb156547ccb7f2841b2e5baefa9 (patch) | |
tree | 1bfa372d6a0c29bc20e0cc8d0af766f0b924adc0 | |
parent | 44525a456296a47150292aacb0748366f42dc5e6 (diff) |
dt-bindings: sound: convert ICS-43432 binding to YAML
Convert the ICS-43432 MEMS microphone device tree binding from text format
to YAML.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250305131425.1491769-2-o.rempel@pengutronix.de
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
-rw-r--r-- | Documentation/devicetree/bindings/sound/ics43432.txt | 19 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/sound/invensense,ics43432.yaml | 51 |
2 files changed, 51 insertions, 19 deletions
diff --git a/Documentation/devicetree/bindings/sound/ics43432.txt b/Documentation/devicetree/bindings/sound/ics43432.txt deleted file mode 100644 index e6f05f2f6c4e..000000000000 --- a/Documentation/devicetree/bindings/sound/ics43432.txt +++ /dev/null @@ -1,19 +0,0 @@ -Invensense ICS-43432-compatible MEMS microphone with I2S output. - -There are no software configuration options for this device, indeed, the only -host connection is the I2S interface. Apart from requirements on clock -frequency (460 kHz to 3.379 MHz according to the data sheet) there must be -64 clock cycles in each stereo output frame; 24 of the 32 available bits -contain audio data. A hardware pin determines if the device outputs data -on the left or right channel of the I2S frame. - -Required properties: - - compatible: should be one of the following. - "invensense,ics43432": For the Invensense ICS43432 - "cui,cmm-4030d-261": For the CUI CMM-4030D-261-I2S-TR - -Example: - - ics43432: ics43432 { - compatible = "invensense,ics43432"; - }; diff --git a/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml b/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml new file mode 100644 index 000000000000..7bd984817aa9 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/invensense,ics43432.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Invensense ICS-43432-compatible MEMS Microphone with I2S Output + +maintainers: + - Oleksij Rempel <o.rempel@pengutronix.de> + +description: + The ICS-43432 and compatible MEMS microphones output audio over an I2S + interface and require no software configuration. The only host connection + is the I2S bus. The microphone requires an I2S clock frequency between + 460 kHz and 3.379 MHz and 64 clock cycles per stereo frame. Each frame + contains 32-bit slots per channel, with 24 bits carrying audio data. + A hardware pin determines whether the microphone outputs audio on the + left or right channel of the I2S frame. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - invensense,ics43432 + - cui,cmm-4030d-261 + + port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + ics43432: ics43432 { + compatible = "invensense,ics43432"; + + port { + endpoint { + remote-endpoint = <&i2s1_endpoint>; + dai-format = "i2s"; + }; + }; + + }; |