Add stubs for RPi.GPIO (#11345)

stubs/RPi.GPIO/METADATA.toml

@@ -0,0 +1,8 @@
+version = "0.7.*"
+upstream_repository = "https://sourceforge.net/p/raspberry-gpio-python/code/"
+
+[tool.stubtest]
+# When stubtest tries to import this module:
+# error: RPi.GPIO failed to import. RuntimeError: This module can only be run on a Raspberry Pi!
+# https://sourceforge.net/p/raspberry-gpio-python/code/ci/08048dd1894a6b09a104557b6eaa6bb68b6baac5/tree/source/py_gpio.c#l1008
+skip = true

stubs/RPi.GPIO/RPi/GPIO/__init__.pyi

@@ -0,0 +1,60 @@
+from collections.abc import Callable
+from typing import Literal, TypedDict
+from typing_extensions import TypeAlias
+
+class _RPi_Info(TypedDict):
+    P1_REVISION: int
+    REVISION: str
+    TYPE: str
+    MANUFACTURER: str
+    PROCESSOR: str
+    RAM: str
+
+VERSION: str
+RPI_INFO: _RPi_Info
+RPI_REVISION: int
+
+HIGH: Literal[1]
+LOW: Literal[0]
+
+OUT: int
+IN: int
+HARD_PWM: int
+SERIAL: int
+I2C: int
+SPI: int
+UNKNOWN: int
+
+BOARD: int
+BCM: int
+
+PUD_OFF: int
+PUD_UP: int
+PUD_DOWN: int
+
+RISING: int
+FALLING: int
+BOTH: int
+
+_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 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: ...
+
+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 stop(self) -> None: ...