From 1a75e8db503937601a1d540f8f19a187f0745f18 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Tue, 21 Dec 2021 13:20:05 +0100
Subject: [PATCH] Deprecate mcp23017 integration (ADR-0019) (#20795)

---
 source/_integrations/mcp23017.markdown | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/_integrations/mcp23017.markdown b/source/_integrations/mcp23017.markdown
index f8ccfd7f30a..c4617f89b10 100644
--- a/source/_integrations/mcp23017.markdown
+++ b/source/_integrations/mcp23017.markdown
@@ -15,6 +15,14 @@ ha_platforms:
   - switch
 ---
 
+<div class='note warning'>
+
+This integration is deprecated and will be removed in Home Assistant Core 2022.4.
+
+For more information see: [Architectural Decision Record 0019](https://github.com/home-assistant/architecture/blob/master/adr/0019-GPIO.md).
+
+</div>
+
 The `mcp23017` integration is the base for all related mcp23017 platforms in Home Assistant. There is no setup needed for the integration itself, for the platforms please check their corresponding sections.
 
 For more details about the MCP23017 I2C I/O port expander you can find its datasheet here: [MCP23017](https://www.microchip.com/wwwproducts/en/MCP23017).