diff --git a/Documentation/devicetree/bindings/sound/mt6359.yaml b/Documentation/devicetree/bindings/sound/mt6359.yaml
index ef027c79032f..a54f466f769d 100644
--- a/Documentation/devicetree/bindings/sound/mt6359.yaml
+++ b/Documentation/devicetree/bindings/sound/mt6359.yaml
@@ -17,11 +17,6 @@ description: |
   Must be a child node of PMIC wrapper.
 
 properties:
-  LDO_VAUD18-supply:
-    $ref: /schemas/types.yaml#/definitions/phandle
-    description: |
-      Regulator of LDO VAUD18 at 1.8V.
-
   mediatek,dmic-mode:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: |
@@ -54,15 +49,11 @@ properties:
     description: |
       Specifies the type of mic type connected to adc2
 
-required:
-  - LDO_VAUD18-supply
-
 additionalProperties: false
 
 examples:
   - |
     mt6359codec: mt6359codec {
-      LDO_VAUD18-supply = <&mt6359p_vaud18_reg>;
       mediatek,dmic-mode = <0>;
       mediatek,mic-type-0 = <2>;
     };
diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c
index d37dbd2b50c2..6de0d744fa9e 100644
--- a/sound/soc/codecs/mt6359.c
+++ b/sound/soc/codecs/mt6359.c
@@ -1943,7 +1943,6 @@ static const struct snd_soc_dapm_widget mt6359_dapm_widgets[] = {
 	SND_SOC_DAPM_SUPPLY_S("CLK_BUF", SUPPLY_SEQ_CLK_BUF,
 			      MT6359_DCXO_CW12,
 			      RG_XO_AUDIO_EN_M_SFT, 0, NULL, 0),
-	SND_SOC_DAPM_REGULATOR_SUPPLY("LDO_VAUD18", 0, 0),
 	SND_SOC_DAPM_SUPPLY_S("AUDGLB", SUPPLY_SEQ_AUD_GLB,
 			      MT6359_AUDDEC_ANA_CON13,
 			      RG_AUDGLB_PWRDN_VA32_SFT, 1, NULL, 0),
@@ -1963,6 +1962,8 @@ static const struct snd_soc_dapm_widget mt6359_dapm_widgets[] = {
 	SND_SOC_DAPM_SUPPLY_S("AUDIF_CK", SUPPLY_SEQ_TOP_CK,
 			      MT6359_AUD_TOP_CKPDN_CON0,
 			      RG_AUDIF_CK_PDN_SFT, 1, NULL, 0),
+	SND_SOC_DAPM_REGULATOR_SUPPLY("vaud18", 0, 0),
+
 	/* Digital Clock */
 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_AFE_CTL", SUPPLY_SEQ_AUD_TOP_LAST,
 			      MT6359_AUDIO_TOP_CON0,
@@ -2312,7 +2313,7 @@ static int mt_dcc_clk_connect(struct snd_soc_dapm_widget *source,
 static const struct snd_soc_dapm_route mt6359_dapm_routes[] = {
 	/* Capture */
 	{"AIFTX_Supply", NULL, "CLK_BUF"},
-	{"AIFTX_Supply", NULL, "LDO_VAUD18"},
+	{"AIFTX_Supply", NULL, "vaud18"},
 	{"AIFTX_Supply", NULL, "AUDGLB"},
 	{"AIFTX_Supply", NULL, "CLKSQ Audio"},
 	{"AIFTX_Supply", NULL, "AUD_CK"},
@@ -2440,7 +2441,7 @@ static const struct snd_soc_dapm_route mt6359_dapm_routes[] = {
 
 	/* DL Supply */
 	{"DL Power Supply", NULL, "CLK_BUF"},
-	{"DL Power Supply", NULL, "LDO_VAUD18"},
+	{"DL Power Supply", NULL, "vaud18"},
 	{"DL Power Supply", NULL, "AUDGLB"},
 	{"DL Power Supply", NULL, "CLKSQ Audio"},
 	{"DL Power Supply", NULL, "AUDNCP_CK"},