diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
index 5f6b37c..0912d3e 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
@@ -17,6 +17,9 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   $nodename:
     pattern: "^dspk@[0-9a-f]*$"
@@ -48,12 +51,6 @@ properties:
 
   sound-name-prefix:
     pattern: "^DSPK[1-9]$"
-    $ref: /schemas/types.yaml#/definitions/string
-    description:
-      Used as prefix for sink/source names of the component. Must be a
-      unique string among multiple instances of the same component.
-      The name can be "DSPK1" or "DSPKx", where x depends on the maximum
-      available instances on a Tegra SoC.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
index fd275a5..62db982 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
@@ -16,6 +16,9 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   $nodename:
     pattern: "^dmic@[0-9a-f]*$"
@@ -49,12 +52,6 @@ properties:
 
   sound-name-prefix:
     pattern: "^DMIC[1-9]$"
-    $ref: /schemas/types.yaml#/definitions/string
-    description:
-      used as prefix for sink/source names of the component. Must be a
-      unique string among multiple instances of the same component.
-      The name can be "DMIC1" or "DMIC2" ... "DMICx", where x depends
-      on the maximum available instances on a Tegra SoC.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
index 6337070..f954be6 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
@@ -16,6 +16,9 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   $nodename:
     pattern: "^i2s@[0-9a-f]*$"
@@ -65,12 +68,6 @@ properties:
 
   sound-name-prefix:
     pattern: "^I2S[1-9]$"
-    $ref: /schemas/types.yaml#/definitions/string
-    description:
-      Used as prefix for sink/source names of the component. Must be a
-      unique string among multiple instances of the same component.
-      The name can be "I2S1" or "I2S2" ... "I2Sx", where x depends
-      on the maximum available instances on a Tegra SoC.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
index ffb8fcf..68e5ad2 100644
--- a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
+++ b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
@@ -9,6 +9,9 @@ title: NXP/Goodix TFA989X (TFA1) Audio Amplifiers
 maintainers:
   - Stephan Gerhold <stephan@gerhold.net>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   compatible:
     enum:
@@ -21,12 +24,6 @@ properties:
   '#sound-dai-cells':
     const: 0
 
-  sound-name-prefix:
-    $ref: /schemas/types.yaml#/definitions/string
-    description:
-      Used as prefix for sink/source names of the component. Must be a
-      unique string among multiple instances of the same component.
-
   vddd-supply:
     description: regulator phandle for the VDDD power supply.
 
diff --git a/Documentation/devicetree/bindings/sound/rt5659.txt b/Documentation/devicetree/bindings/sound/rt5659.txt
index c473df5..013f534 100644
--- a/Documentation/devicetree/bindings/sound/rt5659.txt
+++ b/Documentation/devicetree/bindings/sound/rt5659.txt
@@ -42,7 +42,7 @@ Optional properties:
 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
 - realtek,reset-gpios : The GPIO that controls the CODEC's RESET pin.
 
-- sound-name-prefix: Please refer to name-prefix.txt
+- sound-name-prefix: Please refer to name-prefix.yaml
 
 - ports: A Codec may have a single or multiple I2S interfaces. These
   interfaces on Codec side can be described under 'ports' or 'port'.
diff --git a/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml b/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml
index 5986d1f..c597d9d 100644
--- a/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml
@@ -13,6 +13,9 @@ description: |
   Simple audio multiplexers are driven using gpios, allowing to select which of
   their input line is connected to the output line.
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   compatible:
     const: simple-audio-mux
@@ -21,12 +24,6 @@ properties:
     description: |
       GPIOs used to select the input line.
 
-  sound-name-prefix:
-    $ref: /schemas/types.yaml#/definitions/string
-    description:
-      Used as prefix for sink/source names of the component. Must be a
-      unique string among multiple instances of the same component.
-
 required:
   - compatible
   - mux-gpios
