diff --git a/Documentation/devicetree/bindings/sound/max9867.txt b/Documentation/devicetree/bindings/sound/max9867.txt
deleted file mode 100644
index b8bd914ee697..000000000000
--- a/Documentation/devicetree/bindings/sound/max9867.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-max9867 codec
-
-This device supports I2C mode only.
-
-Required properties:
-
-- compatible : "maxim,max9867"
-- reg : The chip select number on the I2C bus
-
-Example:
-
-&i2c {
-	max9867: max9867@18 {
-		compatible = "maxim,max9867";
-		reg = <0x18>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/sound/maxim,max9867.yaml b/Documentation/devicetree/bindings/sound/maxim,max9867.yaml
new file mode 100644
index 000000000000..6f27029b137d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max9867.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/maxim,max9867.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX9867 CODEC
+
+description: |
+  This device supports I2C only.
+  Pins on the device (for linking into audio routes):
+      * LOUT
+      * ROUT
+      * LINL
+      * LINR
+      * MICL
+      * MICR
+      * DMICL
+      * DMICR
+
+maintainers:
+  - Ladislav Michl <ladis@linux-mips.org>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - maxim,max9867
+
+  '#sound-dai-cells':
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        codec@18 {
+            compatible = "maxim,max9867";
+            #sound-dai-cells = <0>;
+            reg = <0x18>;
+            clocks = <&codec_clk>;
+        };
+    };
+
+    codec_clk: clock {
+        compatible = "fixed-clock";
+        #clock-cells = <0>;
+        clock-frequency = <12288000>;
+    };
+...
diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c
index e161ab037bf7..ae552d72beec 100644
--- a/sound/soc/codecs/max9867.c
+++ b/sound/soc/codecs/max9867.c
@@ -6,6 +6,7 @@
 // Copyright 2018 Ladislav Michl <ladis@linux-mips.org>
 //
 
+#include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
@@ -16,6 +17,7 @@
 #include "max9867.h"
 
 struct max9867_priv {
+	struct clk *mclk;
 	struct regmap *regmap;
 	const struct snd_pcm_hw_constraint_list *constraints;
 	unsigned int sysclk, pclk;
@@ -577,6 +579,11 @@ static int max9867_set_bias_level(struct snd_soc_component *component,
 	struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
 
 	switch (level) {
+	case SND_SOC_BIAS_ON:
+		err = clk_prepare_enable(max9867->mclk);
+		if (err)
+			return err;
+		break;
 	case SND_SOC_BIAS_STANDBY:
 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
 			err = regcache_sync(max9867->regmap);
@@ -595,6 +602,7 @@ static int max9867_set_bias_level(struct snd_soc_component *component,
 			return err;
 
 		regcache_mark_dirty(max9867->regmap);
+		clk_disable_unprepare(max9867->mclk);
 		break;
 	default:
 		break;
@@ -663,9 +671,16 @@ static int max9867_i2c_probe(struct i2c_client *i2c)
 	dev_info(&i2c->dev, "device revision: %x\n", reg);
 	ret = devm_snd_soc_register_component(&i2c->dev, &max9867_component,
 			max9867_dai, ARRAY_SIZE(max9867_dai));
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(&i2c->dev, "Failed to register component: %d\n", ret);
-	return ret;
+		return ret;
+	}
+
+	max9867->mclk = devm_clk_get(&i2c->dev, NULL);
+	if (IS_ERR(max9867->mclk))
+		return PTR_ERR(max9867->mclk);
+
+	return 0;
 }
 
 static const struct i2c_device_id max9867_i2c_id[] = {