diff --git a/data/registers/otg_v2.json b/data/registers/otg_v2.json
index d270e24d..17cb2fab 100644
--- a/data/registers/otg_v2.json
+++ b/data/registers/otg_v2.json
@@ -493,6 +493,12 @@
         "bit_offset": 0,
         "bit_size": 11
       },
+      {
+        "name": "MPSIZ0",
+        "description": "MPSIZ for endpoint 0",
+        "bit_offset": 0,
+        "bit_size": 2
+      },
       {
         "name": "USBAEP",
         "description": "USBAEP",
@@ -746,6 +752,12 @@
         "bit_offset": 0,
         "bit_size": 11
       },
+      {
+        "name": "MPSIZ0",
+        "description": "MPSIZ for endpoint 0",
+        "bit_offset": 0,
+        "bit_size": 2
+      },
       {
         "name": "USBAEP",
         "description": "USBAEP",
diff --git a/stm32-metapac/src/peripherals/otg_v2.rs b/stm32-metapac/src/peripherals/otg_v2.rs
index 900489c3..dc79686f 100644
--- a/stm32-metapac/src/peripherals/otg_v2.rs
+++ b/stm32-metapac/src/peripherals/otg_v2.rs
@@ -210,7 +210,11 @@ pub struct Diepctl (pub u32) ; impl Diepctl { # [doc = "MPSIZ"]
 # [inline (always)]
 pub const fn mpsiz (& self) -> u16 { let val = (self . 0 >> 0usize) & 0x07ff ; val as u16 } # [doc = "MPSIZ"]
 # [inline (always)]
-pub fn set_mpsiz (& mut self , val : u16) { self . 0 = (self . 0 & ! (0x07ff << 0usize)) | (((val as u32) & 0x07ff) << 0usize) ; } # [doc = "USBAEP"]
+pub fn set_mpsiz (& mut self , val : u16) { self . 0 = (self . 0 & ! (0x07ff << 0usize)) | (((val as u32) & 0x07ff) << 0usize) ; } # [doc = "MPSIZ for endpoint 0"]
+# [inline (always)]
+pub const fn mpsiz0 (& self) -> u8 { let val = (self . 0 >> 0usize) & 0x03 ; val as u8 } # [doc = "MPSIZ for endpoint 0"]
+# [inline (always)]
+pub fn set_mpsiz0 (& mut self , val : u8) { self . 0 = (self . 0 & ! (0x03 << 0usize)) | (((val as u32) & 0x03) << 0usize) ; } # [doc = "USBAEP"]
 # [inline (always)]
 pub const fn usbaep (& self) -> bool { let val = (self . 0 >> 15usize) & 0x01 ; val != 0 } # [doc = "USBAEP"]
 # [inline (always)]
@@ -382,7 +386,11 @@ pub struct Doepctl (pub u32) ; impl Doepctl { # [doc = "MPSIZ"]
 # [inline (always)]
 pub const fn mpsiz (& self) -> u16 { let val = (self . 0 >> 0usize) & 0x07ff ; val as u16 } # [doc = "MPSIZ"]
 # [inline (always)]
-pub fn set_mpsiz (& mut self , val : u16) { self . 0 = (self . 0 & ! (0x07ff << 0usize)) | (((val as u32) & 0x07ff) << 0usize) ; } # [doc = "USBAEP"]
+pub fn set_mpsiz (& mut self , val : u16) { self . 0 = (self . 0 & ! (0x07ff << 0usize)) | (((val as u32) & 0x07ff) << 0usize) ; } # [doc = "MPSIZ for endpoint 0"]
+# [inline (always)]
+pub const fn mpsiz0 (& self) -> u8 { let val = (self . 0 >> 0usize) & 0x03 ; val as u8 } # [doc = "MPSIZ for endpoint 0"]
+# [inline (always)]
+pub fn set_mpsiz0 (& mut self , val : u8) { self . 0 = (self . 0 & ! (0x03 << 0usize)) | (((val as u32) & 0x03) << 0usize) ; } # [doc = "USBAEP"]
 # [inline (always)]
 pub const fn usbaep (& self) -> bool { let val = (self . 0 >> 15usize) & 0x01 ; val != 0 } # [doc = "USBAEP"]
 # [inline (always)]
diff --git a/stm32-metapac/src/registers/otg_v2.rs b/stm32-metapac/src/registers/otg_v2.rs
index ecdead54..f03381cf 100644
--- a/stm32-metapac/src/registers/otg_v2.rs
+++ b/stm32-metapac/src/registers/otg_v2.rs
@@ -1240,6 +1240,20 @@
                     array: None,
                     enumm: None,
                 },
+                Field {
+                    name: "mpsiz0",
+                    description: Some(
+                        "MPSIZ for endpoint 0",
+                    ),
+                    bit_offset: BitOffset::Regular(
+                        RegularBitOffset {
+                            offset: 0,
+                        },
+                    ),
+                    bit_size: 2,
+                    array: None,
+                    enumm: None,
+                },
                 Field {
                     name: "usbaep",
                     description: Some(
@@ -1820,6 +1834,20 @@
                     array: None,
                     enumm: None,
                 },
+                Field {
+                    name: "mpsiz0",
+                    description: Some(
+                        "MPSIZ for endpoint 0",
+                    ),
+                    bit_offset: BitOffset::Regular(
+                        RegularBitOffset {
+                            offset: 0,
+                        },
+                    ),
+                    bit_size: 2,
+                    array: None,
+                    enumm: None,
+                },
                 Field {
                     name: "usbaep",
                     description: Some(