[nrf52] add adc (#9321)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/zephyr/__init__.py

@@ -1,5 +1,5 @@
 import os
-from typing import Final, TypedDict
+from typing import TypedDict
 
 import esphome.codegen as cg
 from esphome.const import CONF_BOARD
@@ -8,18 +8,19 @@ from esphome.helpers import copy_file_if_changed, write_file_if_changed
 
 from .const import (
     BOOTLOADER_MCUBOOT,
+    KEY_BOARD,
     KEY_BOOTLOADER,
     KEY_EXTRA_BUILD_FILES,
     KEY_OVERLAY,
     KEY_PM_STATIC,
     KEY_PRJ_CONF,
+    KEY_USER,
     KEY_ZEPHYR,
     zephyr_ns,
 )
 
 CODEOWNERS = ["@tomaszduda23"]
 AUTO_LOAD = ["preferences"]
-KEY_BOARD: Final = "board"
 
 PrjConfValueType = bool | str | int
 
@@ -49,6 +50,7 @@ class ZephyrData(TypedDict):
     overlay: str
     extra_build_files: dict[str, str]
     pm_static: list[Section]
+    user: dict[str, list[str]]
 
 
 def zephyr_set_core_data(config):
@@ -59,6 +61,7 @@ def zephyr_set_core_data(config):
         overlay="",
         extra_build_files={},
         pm_static=[],
+        user={},
     )
     return config
 
@@ -178,7 +181,25 @@ def zephyr_add_pm_static(section: Section):
     CORE.data[KEY_ZEPHYR][KEY_PM_STATIC].extend(section)
 
 
+def zephyr_add_user(key, value):
+    user = zephyr_data()[KEY_USER]
+    if key not in user:
+        user[key] = []
+    user[key] += [value]
+
+
 def copy_files():
+    user = zephyr_data()[KEY_USER]
+    if user:
+        zephyr_add_overlay(
+            f"""
+/ {{
+    zephyr,user {{
+        {[f"{key} = {', '.join(value)};" for key, value in user.items()][0]}
+}};
+}};"""
+        )
+
     want_opts = zephyr_data()[KEY_PRJ_CONF]
 
     prj_conf = (

esphome/components/zephyr/const.py

@@ -10,5 +10,7 @@ KEY_OVERLAY: Final = "overlay"
 KEY_PM_STATIC: Final = "pm_static"
 KEY_PRJ_CONF: Final = "prj_conf"
 KEY_ZEPHYR = "zephyr"
+KEY_BOARD: Final = "board"
+KEY_USER: Final = "user"
 
 zephyr_ns = cg.esphome_ns.namespace("zephyr")