diff --git a/target/ast10x0/peripherals/BUILD.bazel b/target/ast10x0/peripherals/BUILD.bazel
index ee911c5..2a498bf 100644
--- a/target/ast10x0/peripherals/BUILD.bazel
+++ b/target/ast10x0/peripherals/BUILD.bazel
@@ -9,7 +9,6 @@
 rust_library(
     name = "peripherals",
     srcs = [
-        "lib.rs",
         "i2c/constants.rs",
         "i2c/controller.rs",
         "i2c/error.rs",
@@ -23,18 +22,22 @@
         "i2c/timing.rs",
         "i2c/transfer.rs",
         "i2c/types.rs",
-        "scu/mod.rs",
-        "scu/registers.rs",
-        "scu/types.rs",
-        "scu/reset.rs",
+        "lib.rs",
         "scu/clock.rs",
-        "scu/status.rs",
+        "scu/mod.rs",
         "scu/pinctrl.rs",
+        "scu/registers.rs",
+        "scu/reset.rs",
+        "scu/status.rs",
+        "scu/types.rs",
         "uart/mod.rs",
     ],
     crate_name = "ast10x0_peripherals",
     crate_root = "lib.rs",
     edition = "2024",
+    proc_macro_deps = [
+        "@rust_crates//:paste",
+    ],
     target_compatible_with = TARGET_COMPATIBLE_WITH,
     deps = [
         "@ast1060_pac",
@@ -44,7 +47,4 @@
         "@rust_crates//:embedded-io",
         "@rust_crates//:nb",
     ],
-    proc_macro_deps = [
-        "@rust_crates//:paste",
-    ],
 )
diff --git a/target/ast10x0/peripherals/i2c/constants.rs b/target/ast10x0/peripherals/i2c/constants.rs
index 67dd863..b2bd6b9 100644
--- a/target/ast10x0/peripherals/i2c/constants.rs
+++ b/target/ast10x0/peripherals/i2c/constants.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Hardware constants for AST1060 I2C controller
 //!
diff --git a/target/ast10x0/peripherals/i2c/controller.rs b/target/ast10x0/peripherals/i2c/controller.rs
index 4a6d48f..dbff8d9 100644
--- a/target/ast10x0/peripherals/i2c/controller.rs
+++ b/target/ast10x0/peripherals/i2c/controller.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! AST1060 I2C controller implementation
 
diff --git a/target/ast10x0/peripherals/i2c/error.rs b/target/ast10x0/peripherals/i2c/error.rs
index 304f921..578fccc 100644
--- a/target/ast10x0/peripherals/i2c/error.rs
+++ b/target/ast10x0/peripherals/i2c/error.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Core error types without OS dependencies
 
diff --git a/target/ast10x0/peripherals/i2c/global.rs b/target/ast10x0/peripherals/i2c/global.rs
index 3b0e0d5..421d274 100644
--- a/target/ast10x0/peripherals/i2c/global.rs
+++ b/target/ast10x0/peripherals/i2c/global.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! I2C global hardware initialization utility
 //!
diff --git a/target/ast10x0/peripherals/i2c/hal_impl.rs b/target/ast10x0/peripherals/i2c/hal_impl.rs
index 604bcd2..f9f7daf 100644
--- a/target/ast10x0/peripherals/i2c/hal_impl.rs
+++ b/target/ast10x0/peripherals/i2c/hal_impl.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! embedded-hal trait implementations for AST1060 I2C driver
 //!
diff --git a/target/ast10x0/peripherals/i2c/master.rs b/target/ast10x0/peripherals/i2c/master.rs
index d473981..238a3eb 100644
--- a/target/ast10x0/peripherals/i2c/master.rs
+++ b/target/ast10x0/peripherals/i2c/master.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Master mode operations
 //!
diff --git a/target/ast10x0/peripherals/i2c/mod.rs b/target/ast10x0/peripherals/i2c/mod.rs
index 583f3d6..8484598 100644
--- a/target/ast10x0/peripherals/i2c/mod.rs
+++ b/target/ast10x0/peripherals/i2c/mod.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! AST1060 I2C bare-metal driver core
 //!
diff --git a/target/ast10x0/peripherals/i2c/recovery.rs b/target/ast10x0/peripherals/i2c/recovery.rs
index 0ebdc96..ca4797a 100644
--- a/target/ast10x0/peripherals/i2c/recovery.rs
+++ b/target/ast10x0/peripherals/i2c/recovery.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Bus recovery implementation
 
diff --git a/target/ast10x0/peripherals/i2c/slave.rs b/target/ast10x0/peripherals/i2c/slave.rs
index f969e26..729c825 100644
--- a/target/ast10x0/peripherals/i2c/slave.rs
+++ b/target/ast10x0/peripherals/i2c/slave.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! AST1060 I2C Slave/Target Mode Implementation
 //!
diff --git a/target/ast10x0/peripherals/i2c/target_adapter.rs b/target/ast10x0/peripherals/i2c/target_adapter.rs
index 14b438a..847d852 100644
--- a/target/ast10x0/peripherals/i2c/target_adapter.rs
+++ b/target/ast10x0/peripherals/i2c/target_adapter.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! I2C Target (Slave) Adapter
 //!
diff --git a/target/ast10x0/peripherals/i2c/timing.rs b/target/ast10x0/peripherals/i2c/timing.rs
index 3e93030..ddcc789 100644
--- a/target/ast10x0/peripherals/i2c/timing.rs
+++ b/target/ast10x0/peripherals/i2c/timing.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Timing configuration for I2C
 //!
diff --git a/target/ast10x0/peripherals/i2c/transfer.rs b/target/ast10x0/peripherals/i2c/transfer.rs
index 5610034..d793c1f 100644
--- a/target/ast10x0/peripherals/i2c/transfer.rs
+++ b/target/ast10x0/peripherals/i2c/transfer.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Transfer mode implementation
 //!
diff --git a/target/ast10x0/peripherals/i2c/types.rs b/target/ast10x0/peripherals/i2c/types.rs
index 4a7519b..5d2063f 100644
--- a/target/ast10x0/peripherals/i2c/types.rs
+++ b/target/ast10x0/peripherals/i2c/types.rs
@@ -1,4 +1,5 @@
 // Licensed under the Apache-2.0 license
+// SPDX-License-Identifier: Apache-2.0
 
 //! Core types for AST1060 I2C driver
 //!
diff --git a/target/ast10x0/tests/peripherals/i2c/BUILD.bazel b/target/ast10x0/tests/peripherals/i2c/BUILD.bazel
index 37f4531..9747f7c 100644
--- a/target/ast10x0/tests/peripherals/i2c/BUILD.bazel
+++ b/target/ast10x0/tests/peripherals/i2c/BUILD.bazel
@@ -62,8 +62,8 @@
         ":codegen",
         ":linker_script",
         "//target/ast10x0:config",
-        "//target/ast10x0/board:ast10x0_board",
         "//target/ast10x0:entry",
+        "//target/ast10x0/board:ast10x0_board",
         "//target/ast10x0/peripherals",
         "@ast1060_pac",
         "@pigweed//pw_kernel/arch/arm_cortex_m:arch_arm_cortex_m",