From cfde0613bbed38f9ce3d86affcde5fd0b300e972 Mon Sep 17 00:00:00 2001
From: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
Date: Tue, 3 Mar 2026 23:53:18 +1100
Subject: [PATCH] [const][uart][usb_uart][weikai][core] Move constants to
 components/const (#14430)

---
 esphome/components/const/__init__.py                          | 3 +++
 esphome/components/uart/__init__.py                           | 4 +---
 esphome/components/usb_uart/__init__.py                       | 4 +---
 esphome/components/weikai/__init__.py                         | 4 +---
 esphome/const.py                                              | 3 ---
 .../fixtures/external_components/uart_mock/__init__.py        | 4 +---
 6 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/esphome/components/const/__init__.py b/esphome/components/const/__init__.py
index 3201db5dfd..059bf3f26a 100644
--- a/esphome/components/const/__init__.py
+++ b/esphome/components/const/__init__.py
@@ -8,14 +8,17 @@ BYTE_ORDER_BIG = "big_endian"
 
 CONF_COLOR_DEPTH = "color_depth"
 CONF_CRC_ENABLE = "crc_enable"
+CONF_DATA_BITS = "data_bits"
 CONF_DRAW_ROUNDING = "draw_rounding"
 CONF_ENABLED = "enabled"
 CONF_IGNORE_NOT_FOUND = "ignore_not_found"
 CONF_ON_PACKET = "on_packet"
 CONF_ON_RECEIVE = "on_receive"
 CONF_ON_STATE_CHANGE = "on_state_change"
+CONF_PARITY = "parity"
 CONF_REQUEST_HEADERS = "request_headers"
 CONF_ROWS = "rows"
+CONF_STOP_BITS = "stop_bits"
 CONF_USE_PSRAM = "use_psram"
 
 ICON_CURRENT_DC = "mdi:current-dc"
diff --git a/esphome/components/uart/__init__.py b/esphome/components/uart/__init__.py
index 69db4b44aa..3bc4263b31 100644
--- a/esphome/components/uart/__init__.py
+++ b/esphome/components/uart/__init__.py
@@ -4,6 +4,7 @@ import re
 
 from esphome import automation, pins
 import esphome.codegen as cg
+from esphome.components.const import CONF_DATA_BITS, CONF_PARITY, CONF_STOP_BITS
 from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
@@ -11,7 +12,6 @@ from esphome.const import (
     CONF_BAUD_RATE,
     CONF_BYTES,
     CONF_DATA,
-    CONF_DATA_BITS,
     CONF_DEBUG,
     CONF_DELIMITER,
     CONF_DIRECTION,
@@ -21,12 +21,10 @@ from esphome.const import (
     CONF_ID,
     CONF_LAMBDA,
     CONF_NUMBER,
-    CONF_PARITY,
     CONF_PORT,
     CONF_RX_BUFFER_SIZE,
     CONF_RX_PIN,
     CONF_SEQUENCE,
-    CONF_STOP_BITS,
     CONF_TIMEOUT,
     CONF_TRIGGER_ID,
     CONF_TX_PIN,
diff --git a/esphome/components/usb_uart/__init__.py b/esphome/components/usb_uart/__init__.py
index cc69c0cb5a..f0ee53d028 100644
--- a/esphome/components/usb_uart/__init__.py
+++ b/esphome/components/usb_uart/__init__.py
@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 from esphome.components import socket
+from esphome.components.const import CONF_DATA_BITS, CONF_PARITY, CONF_STOP_BITS
 from esphome.components.uart import UARTComponent
 from esphome.components.usb_host import register_usb_client, usb_device_schema
 import esphome.config_validation as cv
@@ -7,12 +8,9 @@ from esphome.const import (
     CONF_BAUD_RATE,
     CONF_BUFFER_SIZE,
     CONF_CHANNELS,
-    CONF_DATA_BITS,
     CONF_DEBUG,
     CONF_DUMMY_RECEIVER,
     CONF_ID,
-    CONF_PARITY,
-    CONF_STOP_BITS,
 )
 from esphome.cpp_types import Component
 
diff --git a/esphome/components/weikai/__init__.py b/esphome/components/weikai/__init__.py
index 66cd4ce12a..bc80f167ef 100644
--- a/esphome/components/weikai/__init__.py
+++ b/esphome/components/weikai/__init__.py
@@ -1,18 +1,16 @@
 import esphome.codegen as cg
 from esphome.components import uart
+from esphome.components.const import CONF_DATA_BITS, CONF_PARITY, CONF_STOP_BITS
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_BAUD_RATE,
     CONF_CHANNEL,
-    CONF_DATA_BITS,
     CONF_ID,
     CONF_INPUT,
     CONF_INVERTED,
     CONF_MODE,
     CONF_NUMBER,
     CONF_OUTPUT,
-    CONF_PARITY,
-    CONF_STOP_BITS,
 )
 
 CODEOWNERS = ["@DrCoolZic"]
diff --git a/esphome/const.py b/esphome/const.py
index bbd85ca66b..d5625f6a54 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -280,7 +280,6 @@ CONF_CUSTOM_PRESETS = "custom_presets"
 CONF_CYCLE = "cycle"
 CONF_DALLAS_ID = "dallas_id"
 CONF_DATA = "data"
-CONF_DATA_BITS = "data_bits"
 CONF_DATA_PIN = "data_pin"
 CONF_DATA_PINS = "data_pins"
 CONF_DATA_RATE = "data_rate"
@@ -760,7 +759,6 @@ CONF_PAGE_ID = "page_id"
 CONF_PAGES = "pages"
 CONF_PANASONIC = "panasonic"
 CONF_PARAMETERS = "parameters"
-CONF_PARITY = "parity"
 CONF_PASSWORD = "password"
 CONF_PATH = "path"
 CONF_PATTERN = "pattern"
@@ -963,7 +961,6 @@ CONF_STEP_PIN = "step_pin"
 CONF_STILL_THRESHOLD = "still_threshold"
 CONF_STOP = "stop"
 CONF_STOP_ACTION = "stop_action"
-CONF_STOP_BITS = "stop_bits"
 CONF_STORE_BASELINE = "store_baseline"
 CONF_SUBNET = "subnet"
 CONF_SUBSCRIBE_QOS = "subscribe_qos"
diff --git a/tests/integration/fixtures/external_components/uart_mock/__init__.py b/tests/integration/fixtures/external_components/uart_mock/__init__.py
index dea8c38551..8deab4c21e 100644
--- a/tests/integration/fixtures/external_components/uart_mock/__init__.py
+++ b/tests/integration/fixtures/external_components/uart_mock/__init__.py
@@ -1,6 +1,7 @@
 from esphome import automation
 import esphome.codegen as cg
 from esphome.components import uart
+from esphome.components.const import CONF_DATA_BITS, CONF_PARITY, CONF_STOP_BITS
 from esphome.components.uart import (
     CONF_RX_FULL_THRESHOLD,
     CONF_RX_TIMEOUT,
@@ -12,14 +13,11 @@ import esphome.config_validation as cv
 from esphome.const import (
     CONF_BAUD_RATE,
     CONF_DATA,
-    CONF_DATA_BITS,
     CONF_DEBUG,
     CONF_DELAY,
     CONF_ID,
     CONF_INTERVAL,
-    CONF_PARITY,
     CONF_RX_BUFFER_SIZE,
-    CONF_STOP_BITS,
     CONF_TRIGGER_ID,
 )
 from esphome.core import ID