diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8904.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8904.yaml
index 329260cf0fa0..f4338efaee18 100644
--- a/Documentation/devicetree/bindings/sound/wlf,wm8904.yaml
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8904.yaml
@@ -38,6 +38,74 @@ properties:
   DCVDD-supply: true
   MICVDD-supply: true
 
+  wlf,in1l-as-dmicdat1:
+    type: boolean
+    description:
+      Use IN1L/DMICDAT1 as DMICDAT1, enabling the DMIC input path.
+
+  wlf,in1r-as-dmicdat2:
+    type: boolean
+    description:
+      Use IN1R/DMICDAT2 as DMICDAT2, enabling the DMIC input path.
+
+  wlf,gpio-cfg:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 4
+    maxItems: 4
+    description:
+      Default register values for R121/122/123/124 (GPIO Control).
+      If any entry has the value 0xFFFF, the related register won't be set.
+    default: [0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF]
+
+  wlf,mic-cfg:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 2
+    maxItems: 2
+    description:
+      Default register values for R6/R7 (Mic Bias Control).
+    default: [0, 0]
+
+  wlf,drc-cfg-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description:
+      List of strings for the available DRC modes.
+      If absent, DRC is disabled.
+
+  wlf,drc-cfg-regs:
+    $ref: /schemas/types.yaml#/definitions/uint16-array
+    description:
+      Default register values for R40/41/42/43 (DRC).
+      The list must be 4 times the length of wlf,drc-cfg-names.
+      If absent, DRC is disabled.
+
+  wlf,retune-mobile-cfg-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description:
+      List of strings for the available retune modes.
+      If absent, retune is disabled.
+
+  wlf,retune-mobile-cfg-rates:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description:
+      List of rates for the available retune modes.
+      The list must be the same length as wlf,retune-mobile-cfg-names.
+      If absent, retune is disabled.
+
+  wlf,retune-mobile-cfg-regs:
+    $ref: /schemas/types.yaml#/definitions/uint16-array
+    description:
+      Default register values for R134/.../157 (EQ).
+      The list must be 24 times the length of wlf,retune-mobile-cfg-names.
+      If absent, retune is disabled.
+
+dependencies:
+  wlf,drc-cfg-names: [ 'wlf,drc-cfg-regs' ]
+  wlf,drc-cfg-regs: [ 'wlf,drc-cfg-names' ]
+
+  wlf,retune-mobile-cfg-names: [ 'wlf,retune-mobile-cfg-rates', 'wlf,retune-mobile-cfg-regs' ]
+  wlf,retune-mobile-cfg-regs: [ 'wlf,retune-mobile-cfg-names', 'wlf,retune-mobile-cfg-rates' ]
+  wlf,retune-mobile-cfg-rates: [ 'wlf,retune-mobile-cfg-names', 'wlf,retune-mobile-cfg-regs' ]
+
 required:
   - compatible
   - reg
@@ -70,5 +138,43 @@ examples:
             DBVDD-supply = <&reg_1p8v>;
             DCVDD-supply = <&reg_1p8v>;
             MICVDD-supply = <&reg_1p8v>;
+
+            wlf,drc-cfg-names = "default", "peaklimiter", "tradition", "soft", "music";
+            wlf,drc-cfg-regs =
+                /* coded default: KNEE_IP = KNEE_OP = 0, HI_COMP = LO_COMP = 1  */
+                /bits/ 16 <0x01af 0x3248 0x0000 0x0000>,
+                /* coded default: KNEE_IP = -24, KNEE_OP = -6, HI_COMP = 1/4, LO_COMP = 1 */
+                /bits/ 16 <0x04af 0x324b 0x0010 0x0408>,
+                /* coded default: KNEE_IP = -42, KNEE_OP = -3, HI_COMP = 0, LO_COMP = 1 */
+                /bits/ 16 <0x04af 0x324b 0x0028 0x0704>,
+                /* coded default: KNEE_IP = -45, KNEE_OP = -9, HI_COMP = 1/8, LO_COMP = 1 */
+                /bits/ 16 <0x04af 0x324b 0x0018 0x078c>,
+                /* coded default: KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1 */
+                /bits/ 16 <0x04af 0x324b 0x0010 0x050e>;
+
+            wlf,gpio-cfg = <
+                0x0018 /* GPIO1 => DMIC_CLK */
+                0xffff /* GPIO2 => don't touch */
+                0xffff /* GPIO3 => don't touch */
+                0xffff /* GPIO4 => don't touch */
+
+            wlf,retune-mobile-cfg-names = "bassboost", "bassboost", "treble";
+            wlf,retune-mobile-cfg-rates = <48000 44100 48000>;
+            wlf,retune-mobile-cfg-regs =
+                /* bassboost: EQ_ENA = 1, +6 dB @ 100 Hz, +3 dB @ 300 Hz, 0 dB @ 875, 2400, 6900 Hz */
+                /bits/ 16 <0x1 0x12 0xf 0xc 0xc 0xc>,
+                /* default values for ReTune Mobile registers 140-157 */
+                /bits/ 16 <0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>,
+
+                /* bassboost: EQ_ENA = 1, +6 dB @ 100 Hz, +3 dB @ 300 Hz, 0 dB @ 875, 2400, 6900 Hz */
+                /bits/ 16 <0x1 0x12 0xf 0xc 0xc 0xc>,
+                /* default values for ReTune Mobile registers 140-157 */
+                /bits/ 16 <0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>,
+
+                /* treble: EQ_ENA = 1, -2 dB @ 100, 300 Hz, 0 dB @ 875, 2400 Hz, +3 dB @ 6900 Hz */
+                /bits/ 16 <0x1 0xa 0xa 0xc 0xc 0xf>,
+                /* default values for ReTune Mobile registers 140-157 */
+                /bits/ 16 <0x0fca 0x0400 0x00d8 0x1eb5 0xf145 0x0bd5 0x0075 0x1c58 0xf3d3 0x0a54 0x0568 0x168e 0xf829 0x07ad 0x1103 0x0564 0x0559 0x4000>;
+            >;
         };
     };
