support thirdreality smart button zb2

drivers/SmartThings/zigbee-button/fingerprints.yml

@@ -244,6 +244,11 @@ zigbeeManufacturer:
     manufacturer: Third Reality, Inc
     model: 3RSB22BZ
     deviceProfileName: one-button-battery
+  - id: "Third Reality/3RSB01085Z"
+    deviceLabel: ThirdReality Smart Button ZB2
+    manufacturer: Third Reality, Inc
+    model: 3RSB01085Z
+    deviceProfileName: thirdreality-three-button
   - id: Samsung/SAMSUNG-ITM-Z-005
     deviceLabel: ITM Switch
     manufacturer: Samsung Electronics

drivers/SmartThings/zigbee-button/profiles/thirdreality-three-button.yml

@@ -0,0 +1,30 @@
+name: thirdreality-three-button
+components:
+  - id: main
+    capabilities:
+      - id: battery
+        version: 1
+      - id: firmwareUpdate
+        version: 1
+      - id: refresh
+        version: 1
+    categories:
+      - name: RemoteController
+  - id: button1
+    capabilities:
+      - id: button
+        version: 1
+    categories:
+      - name: RemoteController
+  - id: button2
+    capabilities:
+      - id: button
+        version: 1
+    categories:
+      - name: RemoteController
+  - id: button3
+    capabilities:
+      - id: button
+        version: 1
+    categories:
+      - name: RemoteController

drivers/SmartThings/zigbee-button/src/sub_drivers.lua

@@ -13,6 +13,7 @@ local sub_drivers = {
    lazy_load_if_possible("samjin"),
    lazy_load_if_possible("ewelink"),
    lazy_load_if_possible("thirdreality"),
+   lazy_load_if_possible("thirdreality-zb2"),
    lazy_load_if_possible("ezviz"),
 }
 return sub_drivers

drivers/SmartThings/zigbee-button/src/thirdreality-zb2/can_handle.lua

@@ -0,0 +1,11 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function thirdreality_zb2_can_handle(opts, driver, device, ...)
+  if device:get_manufacturer() == "Third Reality, Inc" and device:get_model() == "3RSB01085Z" then
+    return true, require("thirdreality-zb2")
+  end
+  return false
+end
+
+return thirdreality_zb2_can_handle

drivers/SmartThings/zigbee-button/src/thirdreality-zb2/init.lua

@@ -0,0 +1,64 @@
+local capabilities = require "st.capabilities"
+
+local MULTISTATE_INPUT_CLUSTER_ID = 0x0012
+local PRESENT_VALUE_ATTR_ID = 0x0055
+
+local HELD   = 0x0000
+local PUSHED = 0x0001
+local DOUBLE = 0x0002
+
+local COMPONENT_MAP = {
+  [1] = "button1",
+  [2] = "button2",
+  [3] = "button3"
+}
+
+local function present_value_attr_handler(driver, device, value, zb_rx)
+  local event
+
+  if value.value == PUSHED then
+    event = capabilities.button.button.pushed({ state_change = true })
+  elseif value.value == DOUBLE then
+    event = capabilities.button.button.double({ state_change = true })
+  elseif value.value == HELD then
+    event = capabilities.button.button.held({ state_change = true })
+  end
+
+  if not event then return end
+
+  local ep = zb_rx.address_header.src_endpoint.value
+  local component_id = COMPONENT_MAP[ep]
+
+  if component_id and device.profile.components[component_id] then
+    device:emit_component_event(device.profile.components[component_id], event)
+  end
+end
+
+local function device_added(driver, device)
+  local supported = { "pushed", "double", "held" }
+
+  for ep, comp_id in pairs(COMPONENT_MAP) do
+    local comp = device.profile.components[comp_id]
+    if comp then
+      device:emit_component_event(comp, capabilities.button.supportedButtonValues(supported, { visibility = { displayed = false } }))
+      device:emit_component_event(comp, capabilities.button.numberOfButtons({ value = 1 }))
+    end
+  end
+end
+
+local thirdreality_3button_handler = {
+  NAME = "ThirdReality Smart Button ZB2",
+  lifecycle_handlers = {
+    added = device_added
+  },
+  zigbee_handlers = {
+    attr = {
+      [MULTISTATE_INPUT_CLUSTER_ID] = {
+        [PRESENT_VALUE_ATTR_ID] = present_value_attr_handler
+      }
+    }
+  },
+  can_handle = require("thirdreality-zb2.can_handle"),
+}
+
+return thirdreality_3button_handler