From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../devicetree/bindings/sound/dmic-codec.yaml      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/dmic-codec.yaml

(limited to 'Documentation/devicetree/bindings/sound/dmic-codec.yaml')

diff --git a/Documentation/devicetree/bindings/sound/dmic-codec.yaml b/Documentation/devicetree/bindings/sound/dmic-codec.yaml
new file mode 100644
index 0000000000..59ef0cf6b6
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/dmic-codec.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/dmic-codec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic PDM Digital microphone (DMIC) codec
+
+maintainers:
+  - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: dmic-codec
+
+  '#sound-dai-cells':
+    const: 0
+
+  dmicen-gpios:
+    description: GPIO specifier for DMIC to control start and stop
+    maxItems: 1
+
+  num-channels:
+    description: Number of microphones on this DAI
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1
+    maximum: 8
+    default: 8
+
+  modeswitch-delay-ms:
+    description: Delay (in ms) to complete DMIC mode switch
+
+  wakeup-delay-ms:
+    description: Delay (in ms) after enabling the DMIC
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dmic {
+        compatible = "dmic-codec";
+        dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+        num-channels = <1>;
+        wakeup-delay-ms = <50>;
+        modeswitch-delay-ms = <35>;
+    };
+...
-- 
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