linux-kernel - [PATCH 1/2] ASoC: dt-bindings: Add cmx655 codec

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Message-ID: <20250203170117.12004-1-nikola.jelic83@gmail.com>
Date: Mon,  3 Feb 2025 18:01:16 +0100
From: Nikola Jelic <nikola.jelic83@...il.com>
To: lgirdwood@...il.com,
	broonie@...nel.org,
	perex@...ex.cz,
	tiwai@...e.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: rwalton@...micro.com
Subject: [PATCH 1/2] ASoC: dt-bindings: Add cmx655 codec

Signed-off-by: Nikola Jelic <nikola.jelic83@...il.com>
---
 .../bindings/sound/cml,cmx655d.yaml           | 79 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 81 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/cml,cmx655d.yaml

diff --git a/Documentation/devicetree/bindings/sound/cml,cmx655d.yaml b/Documentation/devicetree/bindings/sound/cml,cmx655d.yaml
new file mode 100644
index 000000000000..ea2cdce80ea3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/cml,cmx655d.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cml,cmx655d.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: CML Micro CMX655D codec
+
+maintainers:
+  - Richard Walton <rwalton@...micro.com>
+  - Nikola Jelic <nikola.jelic83@...il.com>
+
+description: |
+  The CMX655D is an ultra-low power voice codec.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - cml,cmx655d
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+  reset-gpios:
+    description: GPIO used for codec reset, negative logic
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    maxItems: 1
+
+  pinctrl-names:
+    maxItems: 1
+
+  pinctr-0:
+    maxItems: 1
+
+  cmx655,classd-oc-reset-attempts:
+    description: Maximum number of times to reset CMX655 class-D
+      following a overcurrent event.
+      Default = 5, >10000 = disable limit.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 5
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        status = "okay";
+        codec: cmx655 {
+            reg = <0x54>;
+            #sound-dai-cells = <0>;
+            compatible = "cml,cmx655d";
+            reset-gpios = <&gpio 24 1>;
+            interrupt-parent = <&gpio>;
+            interrupts = <25 0x2>;
+            interrupt-names = "irq";
+            pinctrl-names = "default";
+            pinctrl-0 = <&ev6550DHAT_pins>;
+            cmx655,classd-oc-reset-attempts = <5>;
+        };
+
+    };
+...
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 5079ca6ce1d1..c471a4b905cf 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -308,6 +308,8 @@ patternProperties:
     description: Carl Cloos Schweisstechnik GmbH.
   "^cloudengines,.*":
     description: Cloud Engines, Inc.
+  "^cml,.*":
+    description: CML Micro, Ltd.
   "^cnm,.*":
     description: Chips&Media, Inc.
   "^cnxt,.*":
-- 
2.47.2