From 8f2cf8b8a75ed710559eff51a37097bc2100959a Mon Sep 17 00:00:00 2001
From: Christian H <28529536+nytaros@users.noreply.github.com>
Date: Wed, 1 Apr 2026 03:39:41 +0200
Subject: [PATCH] [bmp581_base] Add support for BMP585 (#15277)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
---
 esphome/components/bmp581_base/bmp581_base.cpp | 2 +-
 esphome/components/bmp581_base/bmp581_base.h   | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/esphome/components/bmp581_base/bmp581_base.cpp b/esphome/components/bmp581_base/bmp581_base.cpp
index c9d250545b..7a627eee03 100644
--- a/esphome/components/bmp581_base/bmp581_base.cpp
+++ b/esphome/components/bmp581_base/bmp581_base.cpp
@@ -126,7 +126,7 @@ void BMP581Component::setup() {
   }
 
   // verify id
-  if (chip_id != BMP581_ASIC_ID) {
+  if (chip_id != BMP581_ASIC_ID && chip_id != BMP585_ASIC_ID) {
     ESP_LOGE(TAG, "Unknown chip ID");
 
     this->error_code_ = ERROR_WRONG_CHIP_ID;
diff --git a/esphome/components/bmp581_base/bmp581_base.h b/esphome/components/bmp581_base/bmp581_base.h
index c3920512e0..1a73a91558 100644
--- a/esphome/components/bmp581_base/bmp581_base.h
+++ b/esphome/components/bmp581_base/bmp581_base.h
@@ -8,7 +8,8 @@
 namespace esphome::bmp581_base {
 
 static const uint8_t BMP581_ASIC_ID = 0x50;  // BMP581's ASIC chip ID (page 51 of datasheet)
-static const uint8_t RESET_COMMAND = 0xB6;   // Soft reset command
+static const uint8_t BMP585_ASIC_ID = 0x51;
+static const uint8_t RESET_COMMAND = 0xB6;  // Soft reset command
 
 // BMP581 Register Addresses
 enum {