Add Doorbell device type to all-devices app.

examples/all-devices-app/all-devices-common/device-factory/BUILD.gn

@@ -43,6 +43,7 @@ source_set("device-factory") {
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dimmable-light:logging",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dimmable-plug-in-unit",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dishwasher:emulated",
+    "${chip_root}/examples/all-devices-app/all-devices-common/device/types/doorbell",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/electrical-sensor:logging",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/extractor-hood",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/fan:logging",

examples/all-devices-app/all-devices-common/device-factory/DeviceFactory.h

@@ -33,6 +33,7 @@
 #include <device/types/dimmable-light/impl/LoggingDimmableLight.h>
 #include <device/types/dimmable-plug-in-unit/DimmablePlugInUnit.h>
 #include <device/types/dishwasher/impl/EmulatedDishwasher.h>
+#include <device/types/doorbell/Doorbell.h>
 #include <device/types/electrical-sensor/impl/SimulatedElectricalSensor.h>
 #include <device/types/extractor-hood/ExtractorHood.h>
 #include <device/types/fan/impl/LoggingFan.h>
@@ -344,6 +345,14 @@ class DeviceFactory
                     DimmableLoad::Config{ .levelControl = DimmableLoad::LevelControlConfig::CiPicsDefaults() });
             });
         }
+        if constexpr (ALL_DEVICES_ENABLE_DOORBELL)
+        {
+            RegisterCreator("doorbell", [this]() {
+                VerifyOrDie(mContext.has_value());
+                return std::make_unique<Doorbell>(mContext->timerDelegate, mContext->platformManager, mContext->bindingTable,
+                                                  mContext->bindingManager);
+            });
+        }
         if constexpr (ALL_DEVICES_ENABLE_MOUNTED_ON_OFF_CONTROL)
         {
             RegisterCreator("mounted-on-off-control", [this]() {

examples/all-devices-app/all-devices-common/device-factory/enabled_devices.cmake

@@ -172,6 +172,7 @@ foreach(_key
         dimmable-light
         dimmable-plug-in-unit
         dishwasher
+        doorbell
         electrical-sensor
         extractor-hood
         fan

examples/all-devices-app/all-devices-common/device-factory/enabled_devices.gni

@@ -98,6 +98,10 @@ _available_devices = [
     "dishwasher",
     "DISHWASHER",
   ],
+  [
+    "doorbell",
+    "DOORBELL",
+  ],
   [
     "electrical-sensor",
     "ELECTRICAL_SENSOR",

examples/all-devices-app/all-devices-common/device-factory/enabled_devices_config.h.in

@@ -19,6 +19,7 @@
 #cmakedefine01 ALL_DEVICES_ENABLE_DIMMABLE_LIGHT
 #cmakedefine01 ALL_DEVICES_ENABLE_DIMMABLE_PLUG_IN_UNIT
 #cmakedefine01 ALL_DEVICES_ENABLE_DISHWASHER
+#cmakedefine01 ALL_DEVICES_ENABLE_DOORBELL
 #cmakedefine01 ALL_DEVICES_ENABLE_ELECTRICAL_SENSOR
 #cmakedefine01 ALL_DEVICES_ENABLE_EXTRACTOR_HOOD
 #cmakedefine01 ALL_DEVICES_ENABLE_FAN

examples/all-devices-app/all-devices-common/device/types/doorbell/BUILD.gn

@@ -0,0 +1,35 @@
+# Copyright (c) 2026 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build_overrides/build.gni")
+import("//build_overrides/chip.gni")
+
+source_set("doorbell") {
+  sources = [
+    "Doorbell.cpp",
+    "Doorbell.h",
+  ]
+
+  public_deps = [
+    "${chip_root}/examples/all-devices-app/all-devices-common/device/api:single-endpoint-device",
+    "${chip_root}/src/app/clusters/bindings",
+    "${chip_root}/src/app/clusters/chime-server",
+    "${chip_root}/src/app/clusters/identify-server",
+    "${chip_root}/src/app/clusters/switch-server",
+    "${chip_root}/src/data-model-providers/codedriven",
+    "${chip_root}/src/lib/core:error",
+    "${chip_root}/src/lib/support",
+    "${chip_root}/zzz_generated/app-common/devices/",
+  ]
+}

examples/all-devices-app/all-devices-common/device/types/doorbell/Doorbell.cpp

@@ -0,0 +1,110 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#include <device/types/doorbell/Doorbell.h>
+#include <devices/Types.h>
+#include <lib/support/logging/CHIPLogging.h>
+
+using namespace chip::app::Clusters;
+
+namespace chip {
+namespace app {
+
+namespace {
+const ClusterId kClientClusters[] = { Chime::Id };
+// Assuming a simple doorbell with two switch positions.
+const uint8_t kSwitchNumberOfPositions = 2;
+} // namespace
+
+Doorbell::Doorbell(TimerDelegate & timerDelegate, DeviceLayer::PlatformManager & platformManager,
+                   Clusters::Binding::Table & bindingTable, Clusters::Binding::Manager & bindingManager) :
+    SingleEndpoint(Span<const DataModel::DeviceTypeEntry>(&Device::Type::kDoorbell, 1)),
+    mTimerDelegate(timerDelegate), mPlatformManager(platformManager), mBindingTable(bindingTable), mBindingManager(bindingManager)
+{}
+
+CHIP_ERROR Doorbell::Register(chip::EndpointId endpoint, CodeDrivenDataModelProvider & provider, EndpointComposition composition)
+{
+    VerifyOrReturnError(mEndpointId == kInvalidEndpointId, CHIP_ERROR_INCORRECT_STATE);
+    DeviceRegistrationTransaction transaction(*this, provider);
+
+    ReturnErrorOnFailure(RegisterDescriptor(endpoint, provider, composition));
+
+    mIdentifyCluster.Create(IdentifyCluster::Config(endpoint, mTimerDelegate));
+    ReturnErrorOnFailure(provider.AddCluster(mIdentifyCluster.Registration()));
+
+    mSwitchCluster.Create(endpoint, BitFlags<Switch::Feature>(Switch::Feature::kMomentarySwitch), SwitchCluster::StartupConfiguration{ .numberOfPositions = kSwitchNumberOfPositions });
+    ReturnErrorOnFailure(provider.AddCluster(mSwitchCluster.Registration()));
+
+    mBindingCluster.Create(
+        BindingCluster::Context{
+            .bindingTable    = mBindingTable,
+            .bindingManager  = mBindingManager,
+            .platformManager = mPlatformManager,
+        },
+        endpoint);
+    ReturnErrorOnFailure(provider.AddCluster(mBindingCluster.Registration()));
+
+    ReturnErrorOnFailure(provider.AddEndpoint(mEndpointRegistration));
+
+    transaction.Commit();
+    return CHIP_NO_ERROR;
+}
+
+void Doorbell::Unregister(CodeDrivenDataModelProvider & provider)
+{
+    UnregisterDescriptor(provider);
+    if (mBindingCluster.IsConstructed())
+    {
+        LogErrorOnFailure(provider.RemoveCluster(&mBindingCluster.Cluster()));
+        mBindingCluster.Destroy();
+    }
+    if (mSwitchCluster.IsConstructed())
+    {
+        LogErrorOnFailure(provider.RemoveCluster(&mSwitchCluster.Cluster()));
+        mSwitchCluster.Destroy();
+    }
+    if (mIdentifyCluster.IsConstructed())
+    {
+        LogErrorOnFailure(provider.RemoveCluster(&mIdentifyCluster.Cluster()));
+        mIdentifyCluster.Destroy();
+    }
+}
+
+CHIP_ERROR Doorbell::ClientClusters(ReadOnlyBufferBuilder<ClusterId> & out) const
+{
+    return out.ReferenceExisting(Span<const ClusterId>(kClientClusters));
+}
+
+Clusters::SwitchCluster & Doorbell::SwitchCluster()
+{
+    VerifyOrDie(mSwitchCluster.IsConstructed());
+    return mSwitchCluster.Cluster();
+}
+
+Clusters::IdentifyCluster & Doorbell::IdentifyCluster()
+{
+    VerifyOrDie(mIdentifyCluster.IsConstructed());
+    return mIdentifyCluster.Cluster();
+}
+
+Clusters::BindingCluster & Doorbell::BindingCluster()
+{
+    VerifyOrDie(mBindingCluster.IsConstructed());
+    return mBindingCluster.Cluster();
+}
+
+} // namespace app
+} // namespace chip

examples/all-devices-app/all-devices-common/device/types/doorbell/Doorbell.h

@@ -0,0 +1,62 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#pragma once
+
+#include <app/clusters/bindings/BindingCluster.h>
+#include <app/clusters/bindings/BindingManager.h>
+#include <app/clusters/bindings/binding-table.h>
+#include <app/clusters/chime-server/ChimeCluster.h>
+#include <app/clusters/identify-server/IdentifyCluster.h>
+#include <app/clusters/switch-server/SwitchCluster.h>
+#include <data-model-providers/codedriven/CodeDrivenDataModelProvider.h>
+#include <device/api/SingleEndpoint.h>
+#include <lib/support/Span.h>
+#include <lib/support/TimerDelegate.h>
+#include <platform/PlatformManager.h>
+
+namespace chip {
+namespace app {
+
+class Doorbell : public SingleEndpoint
+{
+public:
+    Doorbell(TimerDelegate & timerDelegate, DeviceLayer::PlatformManager & platformManager, Clusters::Binding::Table & bindingTable,
+             Clusters::Binding::Manager & bindingManager);
+    ~Doorbell() override = default;
+
+    CHIP_ERROR Register(chip::EndpointId endpoint, CodeDrivenDataModelProvider & provider,
+                        EndpointComposition composition = {}) override;
+    void Unregister(CodeDrivenDataModelProvider & provider) override;
+
+    CHIP_ERROR ClientClusters(ReadOnlyBufferBuilder<ClusterId> & out) const override;
+
+    Clusters::IdentifyCluster & IdentifyCluster();
+    Clusters::SwitchCluster & SwitchCluster();
+    Clusters::BindingCluster & BindingCluster();
+
+protected:
+    TimerDelegate & mTimerDelegate;
+    DeviceLayer::PlatformManager & mPlatformManager;
+    Clusters::Binding::Table & mBindingTable;
+    Clusters::Binding::Manager & mBindingManager;
+    LazyRegisteredServerCluster<Clusters::IdentifyCluster> mIdentifyCluster;
+    LazyRegisteredServerCluster<Clusters::SwitchCluster> mSwitchCluster;
+    LazyRegisteredServerCluster<Clusters::BindingCluster> mBindingCluster;
+};
+
+} // namespace app
+} // namespace chip

examples/all-devices-app/posix/BUILD.gn

@@ -49,6 +49,7 @@ executable("all-devices-app") {
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/device-energy-management",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dimmable-plug-in-unit",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dishwasher",
+    "${chip_root}/examples/all-devices-app/all-devices-common/device/types/doorbell",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/electrical-sensor",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/extractor-hood",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/fan",

examples/all-devices-app/silabs/BUILD.gn

@@ -121,6 +121,7 @@ silabs_executable("all_devices_app") {
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/device-energy-management",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dimmable-light",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/dimmable-plug-in-unit",
+    "${chip_root}/examples/all-devices-app/all-devices-common/device/types/doorbell",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/electrical-sensor",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/extractor-hood",
     "${chip_root}/examples/all-devices-app/all-devices-common/device/types/generic-switch",

scripts/build/build/targets.py

@@ -55,6 +55,7 @@
     'dimmable-light',
     'dimmable-plug-in-unit',
     'dishwasher',
+    'doorbell',
     'electrical-sensor',
     'extractor-hood',
     'fan',