[PATCH v5 1/4] dt-bindings: sound: convert ICS-43432 binding to YAML

From: Oleksij Rempel
Date: Wed Mar 05 2025 - 08:23:21 EST


Convert the ICS-43432 MEMS microphone device tree binding from text format
to YAML.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
changes v4:
- add Reviewed-by: Rob...
changes v3:
- add maintainer
- remove '|' after 'description:'
changes v2:
- use "enum" instead "oneOf + const"
---
.../devicetree/bindings/sound/ics43432.txt | 19 -------
.../bindings/sound/invensense,ics43432.yaml | 51 +++++++++++++++++++
2 files changed, 51 insertions(+), 19 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/ics43432.txt
create mode 100644 Documentation/devicetree/bindings/sound/invensense,ics43432.yaml

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@xxxxxxxxxxxxxx>
+
+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";
+ };
+ };
+
+ };
--
2.39.5