diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index 359040ec7..87d72afa0 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -519,6 +519,19 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("gc08a3", CameraSensorHelperGc08a3)
 
+class CameraSensorHelperHi556 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperHi556()
+	{
+		/* Measured: 64 at 10bits. */
+		blackLevel_ = 4096;
+		/* Analogue gain is 1 + code / 16, codes 0 to 240 (1x to 16x). */
+		gain_ = AnalogueGainLinear{ 1, 16, 0, 16 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("hi556", CameraSensorHelperHi556)
+
 class CameraSensorHelperHm1246 : public CameraSensorHelper
 {
 public:
diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp b/src/libcamera/sensor/camera_sensor_properties.cpp
index 20cfd0bc1..203ffb382 100644
--- a/src/libcamera/sensor/camera_sensor_properties.cpp
+++ b/src/libcamera/sensor/camera_sensor_properties.cpp
@@ -132,6 +132,24 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen
 				.hblankDelay = 2
 			},
 		} },
+		{ "hi556", {
+			.unitCellSize = { 1120, 1120 },
+			.testPatternModes = {
+				{ controls::draft::TestPatternModeOff, 0 },
+				{ controls::draft::TestPatternModeSolidColor, 1 },
+				{ controls::draft::TestPatternModeColorBars, 2 },
+				{ controls::draft::TestPatternModeColorBarsFadeToGray, 3 },
+				{ controls::draft::TestPatternModePn9, 4 },
+				/*
+				 * No corresponding test pattern mode for:
+				 * 5: "Gradient Horizontal"
+				 * 6: "Gradient Vertical"
+				 * 7: "Check Board"
+				 * 8: "Slant Pattern"
+				 */
+			},
+			.sensorDelays = { },
+		} },
 		{ "hi846", {
 			.unitCellSize = { 1120, 1120 },
 			.testPatternModes = {