diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index 34eba5b..2ed441d 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -23,6 +23,7 @@
 #include <android-base/stringprintf.h>
 #include <input/InputDevice.h>
 #include <input/InputEventLabels.h>
+#include <input/NamedEnum.h>
 
 using android::base::StringPrintf;
 
@@ -166,7 +167,9 @@
         mKeyCharacterMap(other.mKeyCharacterMap),
         mHasVibrator(other.mHasVibrator),
         mHasButtonUnderPad(other.mHasButtonUnderPad),
-        mMotionRanges(other.mMotionRanges) {}
+        mHasSensor(other.mHasSensor),
+        mMotionRanges(other.mMotionRanges),
+        mSensors(other.mSensors) {}
 
 InputDeviceInfo::~InputDeviceInfo() {
 }
@@ -185,7 +188,9 @@
     mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
     mHasVibrator = false;
     mHasButtonUnderPad = false;
+    mHasSensor = false;
     mMotionRanges.clear();
+    mSensors.clear();
 }
 
 const InputDeviceInfo::MotionRange* InputDeviceInfo::getMotionRange(
@@ -214,4 +219,28 @@
     mMotionRanges.push_back(range);
 }
 
+void InputDeviceInfo::addSensorInfo(const InputDeviceSensorInfo& info) {
+    if (mSensors.find(info.type) != mSensors.end()) {
+        ALOGW("Sensor type %s already exists, will be replaced by new sensor added.",
+              NamedEnum::string(info.type).c_str());
+    }
+    mSensors.insert_or_assign(info.type, info);
+}
+
+const std::vector<InputDeviceSensorType> InputDeviceInfo::getSensorTypes() {
+    std::vector<InputDeviceSensorType> types;
+    for (const auto& [type, info] : mSensors) {
+        types.push_back(type);
+    }
+    return types;
+}
+
+const InputDeviceSensorInfo* InputDeviceInfo::getSensorInfo(InputDeviceSensorType type) {
+    auto it = mSensors.find(type);
+    if (it == mSensors.end()) {
+        return nullptr;
+    }
+    return &it->second;
+}
+
 } // namespace android
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index f5432ad..5666de6 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -103,6 +103,48 @@
     }
 }
 
+bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
+    if (mType != other.mType) {
+        return false;
+    }
+    if (mKeys.size() != other.mKeys.size() ||
+        mKeysByScanCode.size() != other.mKeysByScanCode.size() ||
+        mKeysByUsageCode.size() != other.mKeysByUsageCode.size()) {
+        return false;
+    }
+
+    for (size_t i = 0; i < mKeys.size(); i++) {
+        if (mKeys.keyAt(i) != other.mKeys.keyAt(i)) {
+            return false;
+        }
+        const Key* key = mKeys.valueAt(i);
+        const Key* otherKey = other.mKeys.valueAt(i);
+        if (key->label != otherKey->label || key->number != otherKey->number) {
+            return false;
+        }
+    }
+
+    for (size_t i = 0; i < mKeysByScanCode.size(); i++) {
+        if (mKeysByScanCode.keyAt(i) != other.mKeysByScanCode.keyAt(i)) {
+            return false;
+        }
+        if (mKeysByScanCode.valueAt(i) != other.mKeysByScanCode.valueAt(i)) {
+            return false;
+        }
+    }
+
+    for (size_t i = 0; i < mKeysByUsageCode.size(); i++) {
+        if (mKeysByUsageCode.keyAt(i) != other.mKeysByUsageCode.keyAt(i)) {
+            return false;
+        }
+        if (mKeysByUsageCode.valueAt(i) != other.mKeysByUsageCode.valueAt(i)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
 base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(const std::string& filename,
                                                                      Format format) {
     Tokenizer* tokenizer;
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 16ce48a..d36e417 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -20,12 +20,13 @@
 
 #include <android/keycodes.h>
 #include <input/InputEventLabels.h>
-#include <input/Keyboard.h>
 #include <input/KeyLayoutMap.h>
-#include <utils/Log.h>
+#include <input/Keyboard.h>
+#include <input/NamedEnum.h>
 #include <utils/Errors.h>
-#include <utils/Tokenizer.h>
+#include <utils/Log.h>
 #include <utils/Timers.h>
+#include <utils/Tokenizer.h>
 
 // Enables debug output for the parser.
 #define DEBUG_PARSER 0
@@ -41,6 +42,26 @@
 
 static const char* WHITESPACE = " \t\r";
 
+#define SENSOR_ENTRY(type) NamedEnum::string(type), type
+static const std::unordered_map<std::string, InputDeviceSensorType> SENSOR_LIST =
+        {{SENSOR_ENTRY(InputDeviceSensorType::ACCELEROMETER)},
+         {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD)},
+         {SENSOR_ENTRY(InputDeviceSensorType::ORIENTATION)},
+         {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE)},
+         {SENSOR_ENTRY(InputDeviceSensorType::LIGHT)},
+         {SENSOR_ENTRY(InputDeviceSensorType::PRESSURE)},
+         {SENSOR_ENTRY(InputDeviceSensorType::TEMPERATURE)},
+         {SENSOR_ENTRY(InputDeviceSensorType::PROXIMITY)},
+         {SENSOR_ENTRY(InputDeviceSensorType::GRAVITY)},
+         {SENSOR_ENTRY(InputDeviceSensorType::LINEAR_ACCELERATION)},
+         {SENSOR_ENTRY(InputDeviceSensorType::ROTATION_VECTOR)},
+         {SENSOR_ENTRY(InputDeviceSensorType::RELATIVE_HUMIDITY)},
+         {SENSOR_ENTRY(InputDeviceSensorType::AMBIENT_TEMPERATURE)},
+         {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED)},
+         {SENSOR_ENTRY(InputDeviceSensorType::GAME_ROTATION_VECTOR)},
+         {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE_UNCALIBRATED)},
+         {SENSOR_ENTRY(InputDeviceSensorType::SIGNIFICANT_MOTION)}};
+
 // --- KeyLayoutMap ---
 
 KeyLayoutMap::KeyLayoutMap() {
@@ -127,6 +148,24 @@
     return NO_ERROR;
 }
 
+// Return pair of sensor type and sensor data index, for the input device abs code
+base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
+    auto it = mSensorsByAbsCode.find(absCode);
+    if (it == mSensorsByAbsCode.end()) {
+#if DEBUG_MAPPING
+        ALOGD("mapSensor: absCode=%d, ~ Failed.", absCode);
+#endif
+        return Errorf("Can't find abs code {}.", absCode);
+    }
+    const Sensor& sensor = it->second;
+
+#if DEBUG_MAPPING
+    ALOGD("mapSensor: absCode=%d, sensorType=0x%0x, sensorDataIndex=0x%x.", absCode,
+          NamedEnum::string(sensor.sensorType), sensor.sensorDataIndex);
+#endif
+    return std::make_pair(sensor.sensorType, sensor.sensorDataIndex);
+}
+
 const KeyLayoutMap::Key* KeyLayoutMap::getKey(int32_t scanCode, int32_t usageCode) const {
     if (usageCode) {
         ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
@@ -242,6 +281,10 @@
                 mTokenizer->skipDelimiters(WHITESPACE);
                 status_t status = parseLed();
                 if (status) return status;
+            } else if (keywordToken == "sensor") {
+                mTokenizer->skipDelimiters(WHITESPACE);
+                status_t status = parseSensor();
+                if (status) return status;
             } else {
                 ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
                         keywordToken.string());
@@ -468,4 +511,84 @@
     map.add(code, led);
     return NO_ERROR;
 }
+
+static std::optional<InputDeviceSensorType> getSensorType(const char* token) {
+    auto it = SENSOR_LIST.find(std::string(token));
+    if (it == SENSOR_LIST.end()) {
+        return std::nullopt;
+    }
+    return it->second;
+}
+
+static std::optional<int32_t> getSensorDataIndex(String8 token) {
+    std::string tokenStr(token.string());
+    if (tokenStr == "X") {
+        return 0;
+    } else if (tokenStr == "Y") {
+        return 1;
+    } else if (tokenStr == "Z") {
+        return 2;
+    }
+    return std::nullopt;
+}
+
+// Parse sensor type and data index mapping, as below format
+// sensor <raw abs> <sensor type> <sensor data index>
+// raw abs : the linux abs code of the axis
+// sensor type : string name of InputDeviceSensorType
+// sensor data index : the data index of sensor, out of [X, Y, Z]
+// Examples:
+// sensor 0x00 ACCELEROMETER X
+// sensor 0x01 ACCELEROMETER Y
+// sensor 0x02 ACCELEROMETER Z
+// sensor 0x03 GYROSCOPE X
+// sensor 0x04 GYROSCOPE Y
+// sensor 0x05 GYROSCOPE Z
+status_t KeyLayoutMap::Parser::parseSensor() {
+    String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+    char* end;
+    int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+    if (*end) {
+        ALOGE("%s: Expected sensor %s number, got '%s'.", mTokenizer->getLocation().string(),
+              "abs code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    std::unordered_map<int32_t, Sensor>& map = mMap->mSensorsByAbsCode;
+    if (map.find(code) != map.end()) {
+        ALOGE("%s: Duplicate entry for sensor %s '%s'.", mTokenizer->getLocation().string(),
+              "abs code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    mTokenizer->skipDelimiters(WHITESPACE);
+    String8 sensorTypeToken = mTokenizer->nextToken(WHITESPACE);
+    std::optional<InputDeviceSensorType> typeOpt = getSensorType(sensorTypeToken.string());
+    if (!typeOpt) {
+        ALOGE("%s: Expected sensor code label, got '%s'.", mTokenizer->getLocation().string(),
+              sensorTypeToken.string());
+        return BAD_VALUE;
+    }
+    InputDeviceSensorType sensorType = typeOpt.value();
+    mTokenizer->skipDelimiters(WHITESPACE);
+    String8 sensorDataIndexToken = mTokenizer->nextToken(WHITESPACE);
+    std::optional<int32_t> indexOpt = getSensorDataIndex(sensorDataIndexToken);
+    if (!indexOpt) {
+        ALOGE("%s: Expected sensor data index label, got '%s'.", mTokenizer->getLocation().string(),
+              sensorDataIndexToken.string());
+        return BAD_VALUE;
+    }
+    int32_t sensorDataIndex = indexOpt.value();
+
+#if DEBUG_PARSER
+    ALOGD("Parsed sensor: abs code=%d, sensorType=%d, sensorDataIndex=%d.", code,
+          NamedEnum::string(sensorType).c_str(), sensorDataIndex);
+#endif
+
+    Sensor sensor;
+    sensor.sensorType = sensorType;
+    sensor.sensorDataIndex = sensorDataIndex;
+    map.emplace(code, sensor);
+    return NO_ERROR;
+}
 };
diff --git a/libs/input/tests/InputDevice_test.cpp b/libs/input/tests/InputDevice_test.cpp
index c174ae9..e2cf245 100644
--- a/libs/input/tests/InputDevice_test.cpp
+++ b/libs/input/tests/InputDevice_test.cpp
@@ -14,9 +14,12 @@
  * limitations under the License.
  */
 
-
+#include <binder/Binder.h>
+#include <binder/Parcel.h>
 #include <gtest/gtest.h>
 #include <input/InputDevice.h>
+#include <input/KeyLayoutMap.h>
+#include <input/Keyboard.h>
 
 namespace android {
 
@@ -31,4 +34,52 @@
     ASSERT_EQ(std::string("deviceName-123_version_C_"), identifier.getCanonicalName());
 }
 
+class InputDeviceKeyMapTest : public testing::Test {
+protected:
+    void loadKeyLayout(const char* name) {
+        std::string path =
+                getInputDeviceConfigurationFilePathByName(name,
+                                                          InputDeviceConfigurationFileType::
+                                                                  KEY_LAYOUT);
+        ASSERT_FALSE(path.empty());
+        base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);
+        ASSERT_TRUE(ret) << "Cannot load KeyLayout at " << path;
+        mKeyMap.keyLayoutMap = std::move(*ret);
+        mKeyMap.keyLayoutFile = path;
+    }
+
+    void loadKeyCharacterMap(const char* name) {
+        InputDeviceIdentifier identifier;
+        identifier.name = name;
+        std::string path =
+                getInputDeviceConfigurationFilePathByName(identifier.getCanonicalName(),
+                                                          InputDeviceConfigurationFileType::
+                                                                  KEY_CHARACTER_MAP);
+        ASSERT_FALSE(path.empty()) << "KeyCharacterMap for " << name << " not found";
+        base::Result<std::shared_ptr<KeyCharacterMap>> ret =
+                KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);
+        ASSERT_TRUE(ret) << "Cannot load KeyCharacterMap at " << path;
+        mKeyMap.keyCharacterMap = *ret;
+        mKeyMap.keyCharacterMapFile = path;
+    }
+
+    virtual void SetUp() override {
+        loadKeyLayout("Generic");
+        loadKeyCharacterMap("Generic");
+    }
+
+    virtual void TearDown() override {}
+
+    KeyMap mKeyMap;
+};
+
+TEST_F(InputDeviceKeyMapTest, keyCharacterMapParcelingTest) {
+    Parcel parcel;
+    mKeyMap.keyCharacterMap->writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);
+    // Verify the key character map is the same as original
+    ASSERT_EQ(*map, *mKeyMap.keyCharacterMap);
+}
+
 } // namespace android
\ No newline at end of file