diff --git a/stubs/RPi.GPIO/RPi/GPIO/__init__.pyi b/stubs/RPi.GPIO/RPi/GPIO/__init__.pyi
index 6515d8cdf..8222ec224 100644
--- a/stubs/RPi.GPIO/RPi/GPIO/__init__.pyi
+++ b/stubs/RPi.GPIO/RPi/GPIO/__init__.pyi
@@ -1,5 +1,5 @@
 from collections.abc import Callable
-from typing import Literal, TypedDict
+from typing import Final, Literal, TypedDict
 from typing_extensions import TypeAlias
 
 class _RPi_Info(TypedDict):
@@ -17,44 +17,50 @@ RPI_REVISION: int
 HIGH: Literal[1]
 LOW: Literal[0]
 
-OUT: int
-IN: int
-HARD_PWM: int
-SERIAL: int
-I2C: int
-SPI: int
-UNKNOWN: int
+OUT: Final = 0
+IN: Final = 1
+HARD_PWM: Final = 43
+SERIAL: Final = 40
+I2C: Final = 42
+SPI: Final = 41
+UNKNOWN: Final = -1
 
-BOARD: int
-BCM: int
+BOARD: Final = 10
+BCM: Final = 11
 
-PUD_OFF: int
-PUD_UP: int
-PUD_DOWN: int
+PUD_OFF: Final = 20
+PUD_UP: Final = 22
+PUD_DOWN: Final = 21
 
-RISING: int
-FALLING: int
-BOTH: int
+RISING: Final = 31
+FALLING: Final = 32
+BOTH: Final = 33
 
 _EventCallback: TypeAlias = Callable[[int], object]
 
-def setup(channel: int, dir: int, pull_up_down: int = ..., initial: int = ...) -> None: ...
-def cleanup(channel: int = 0) -> None: ...
-def output(channel: int, state: int | bool) -> None: ...
-def input(channel: int) -> int: ...
-def setmode(mode: int) -> None: ...
-def getmode() -> int: ...
-def add_event_detect(channel: int, edge: int, callback: _EventCallback | None, bouncetime: int = ...) -> None: ...
-def remove_event_detect(channel: int) -> None: ...
-def event_detected(channel: int) -> bool: ...
+def setup(
+    channel: int | list[int] | tuple[int, ...], direction: Literal[0, 1], pull_up_down: int = 20, initial: int = -1
+) -> None: ...
+def cleanup(channel: int | list[int] | tuple[int, ...] = -666) -> None: ...
+def output(
+    channel: int | list[int] | tuple[int, ...],
+    value: Literal[0, 1] | bool | list[Literal[0, 1] | bool] | tuple[Literal[0, 1] | bool, ...],
+    /,
+) -> None: ...
+def input(channel: int, /) -> bool: ...
+def setmode(mode: Literal[10, 11], /) -> None: ...
+def getmode() -> Literal[10, 11] | None: ...
+def add_event_detect(channel: int, edge: int, callback: _EventCallback | None = None, bouncetime: int = -666) -> None: ...
+def remove_event_detect(channel: int, /) -> None: ...
+def event_detected(channel: int, /) -> bool: ...
 def add_event_callback(channel: int, callback: _EventCallback) -> None: ...
-def wait_for_edge(channel: int, edge: int, bouncetime: int = ..., timeout: int = ...) -> int | None: ...
-def gpio_function(channel: int) -> int: ...
-def setwarnings(gpio_warnings: bool) -> None: ...
+def wait_for_edge(channel: int, edge: int, bouncetime: int = -666, timeout: int = -1) -> int | None: ...
+def gpio_function(channel: int, /) -> int: ...
+def setwarnings(gpio_warnings: bool, /) -> None: ...
 
 class PWM:
-    def __init__(self, channel: int, frequency: float) -> None: ...
-    def start(self, dutycycle: float) -> None: ...
-    def ChangeDutyCycle(self, dutycycle: float) -> None: ...
-    def ChangeFrequence(self, frequency: float) -> None: ...
+    def __init__(self, channel: int, frequency: float, /) -> None: ...
+    def start(self, dutycycle: float, /) -> None: ...
+    def ChangeDutyCycle(self, dutycycle: float, /) -> None: ...
+    def ChangeFrequence(self, frequency: float, /) -> None: ...
     def stop(self) -> None: ...