diff --git a/hw/misc/aspeed_i3c.c b/hw/misc/aspeed_i3c.c
new file mode 100644
index 0000000000..43771d768a
--- /dev/null
+++ b/hw/misc/aspeed_i3c.c
@@ -0,0 +1,381 @@
+/*
+ * ASPEED I3C Controller
+ *
+ * Copyright (C) 2021 ASPEED Technology Inc.
+ *
+ * This code is licensed under the GPL version 2 or later.  See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qemu/error-report.h"
+#include "hw/misc/aspeed_i3c.h"
+#include "hw/registerfields.h"
+#include "hw/qdev-properties.h"
+#include "qapi/error.h"
+#include "migration/vmstate.h"
+#include "trace.h"
+
+/* I3C Controller Registers */
+REG32(I3C1_REG0, 0x10)
+REG32(I3C1_REG1, 0x14)
+    FIELD(I3C1_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C1_REG1, SA_EN,     15, 1)
+REG32(I3C2_REG0, 0x20)
+REG32(I3C2_REG1, 0x24)
+    FIELD(I3C2_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C2_REG1, SA_EN,     15, 1)
+REG32(I3C3_REG0, 0x30)
+REG32(I3C3_REG1, 0x34)
+    FIELD(I3C3_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C3_REG1, SA_EN,     15, 1)
+REG32(I3C4_REG0, 0x40)
+REG32(I3C4_REG1, 0x44)
+    FIELD(I3C4_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C4_REG1, SA_EN,     15, 1)
+REG32(I3C5_REG0, 0x50)
+REG32(I3C5_REG1, 0x54)
+    FIELD(I3C5_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C5_REG1, SA_EN,     15, 1)
+REG32(I3C6_REG0, 0x60)
+REG32(I3C6_REG1, 0x64)
+    FIELD(I3C6_REG1, I2C_MODE,  0,  1)
+    FIELD(I3C6_REG1, SA_EN,     15, 1)
+
+/* I3C Device Registers */
+REG32(DEVICE_CTRL,                  0x00)
+REG32(DEVICE_ADDR,                  0x04)
+REG32(HW_CAPABILITY,                0x08)
+REG32(COMMAND_QUEUE_PORT,           0x0c)
+REG32(RESPONSE_QUEUE_PORT,          0x10)
+REG32(RX_TX_DATA_PORT,              0x14)
+REG32(IBI_QUEUE_STATUS,             0x18)
+REG32(IBI_QUEUE_DATA,               0x18)
+REG32(QUEUE_THLD_CTRL,              0x1c)
+REG32(DATA_BUFFER_THLD_CTRL,        0x20)
+REG32(IBI_QUEUE_CTRL,               0x24)
+REG32(IBI_MR_REQ_REJECT,            0x2c)
+REG32(IBI_SIR_REQ_REJECT,           0x30)
+REG32(RESET_CTRL,                   0x34)
+REG32(SLV_EVENT_CTRL,               0x38)
+REG32(INTR_STATUS,                  0x3c)
+REG32(INTR_STATUS_EN,               0x40)
+REG32(INTR_SIGNAL_EN,               0x44)
+REG32(INTR_FORCE,                   0x48)
+REG32(QUEUE_STATUS_LEVEL,           0x4c)
+REG32(DATA_BUFFER_STATUS_LEVEL,     0x50)
+REG32(PRESENT_STATE,                0x54)
+REG32(CCC_DEVICE_STATUS,            0x58)
+REG32(DEVICE_ADDR_TABLE_POINTER,    0x5c)
+    FIELD(DEVICE_ADDR_TABLE_POINTER, DEPTH, 16, 16)
+    FIELD(DEVICE_ADDR_TABLE_POINTER, ADDR,  0,  16)
+REG32(DEV_CHAR_TABLE_POINTER,       0x60)
+REG32(VENDOR_SPECIFIC_REG_POINTER,  0x6c)
+REG32(SLV_MIPI_PID_VALUE,           0x70)
+REG32(SLV_PID_VALUE,                0x74)
+REG32(SLV_CHAR_CTRL,                0x78)
+REG32(SLV_MAX_LEN,                  0x7c)
+REG32(MAX_READ_TURNAROUND,          0x80)
+REG32(MAX_DATA_SPEED,               0x84)
+REG32(SLV_DEBUG_STATUS,             0x88)
+REG32(SLV_INTR_REQ,                 0x8c)
+REG32(DEVICE_CTRL_EXTENDED,         0xb0)
+REG32(SCL_I3C_OD_TIMING,            0xb4)
+REG32(SCL_I3C_PP_TIMING,            0xb8)
+REG32(SCL_I2C_FM_TIMING,            0xbc)
+REG32(SCL_I2C_FMP_TIMING,           0xc0)
+REG32(SCL_EXT_LCNT_TIMING,          0xc8)
+REG32(SCL_EXT_TERMN_LCNT_TIMING,    0xcc)
+REG32(BUS_FREE_TIMING,              0xd4)
+REG32(BUS_IDLE_TIMING,              0xd8)
+REG32(I3C_VER_ID,                   0xe0)
+REG32(I3C_VER_TYPE,                 0xe4)
+REG32(EXTENDED_CAPABILITY,          0xe8)
+REG32(SLAVE_CONFIG,                 0xec)
+
+static const uint32_t ast2600_i3c_device_resets[ASPEED_I3C_DEVICE_NR_REGS] = {
+    [R_HW_CAPABILITY]               = 0x000e00bf,
+    [R_QUEUE_THLD_CTRL]             = 0x01000101,
+    [R_I3C_VER_ID]                  = 0x3130302a,
+    [R_I3C_VER_TYPE]                = 0x6c633033,
+    [R_DEVICE_ADDR_TABLE_POINTER]   = 0x00080280,
+    [R_DEV_CHAR_TABLE_POINTER]      = 0x00020200,
+    [A_VENDOR_SPECIFIC_REG_POINTER] = 0x000000b0,
+    [R_SLV_MAX_LEN]                 = 0x00ff00ff,
+};
+
+static uint64_t aspeed_i3c_device_read(void *opaque, hwaddr offset,
+                                       unsigned size)
+{
+    AspeedI3CDevice *s = ASPEED_I3C_DEVICE(opaque);
+    uint32_t addr = offset >> 2;
+    uint64_t value;
+
+    switch (addr) {
+    case R_COMMAND_QUEUE_PORT:
+        value = 0;
+        break;
+    default:
+        value = s->regs[addr];
+        break;
+    }
+
+    trace_aspeed_i3c_device_read(s->id, offset, value);
+
+    return value;
+}
+
+static void aspeed_i3c_device_write(void *opaque, hwaddr offset,
+                                    uint64_t value, unsigned size)
+{
+    AspeedI3CDevice *s = ASPEED_I3C_DEVICE(opaque);
+    uint32_t addr = offset >> 2;
+
+    trace_aspeed_i3c_device_write(s->id, offset, value);
+
+    switch (addr) {
+    case R_HW_CAPABILITY:
+    case R_RESPONSE_QUEUE_PORT:
+    case R_IBI_QUEUE_DATA:
+    case R_QUEUE_STATUS_LEVEL:
+    case R_PRESENT_STATE:
+    case R_CCC_DEVICE_STATUS:
+    case R_DEVICE_ADDR_TABLE_POINTER:
+    case R_VENDOR_SPECIFIC_REG_POINTER:
+    case R_SLV_CHAR_CTRL:
+    case R_SLV_MAX_LEN:
+    case R_MAX_READ_TURNAROUND:
+    case R_I3C_VER_ID:
+    case R_I3C_VER_TYPE:
+    case R_EXTENDED_CAPABILITY:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: write to readonly register[%02lx] = %08lx\n",
+                      __func__, offset, value);
+        break;
+    case R_RX_TX_DATA_PORT:
+        break;
+    case R_RESET_CTRL:
+        break;
+    default:
+        s->regs[addr] = value;
+        break;
+    }
+}
+
+static const VMStateDescription aspeed_i3c_device_vmstate = {
+    .name = TYPE_ASPEED_I3C,
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]){
+        VMSTATE_UINT32_ARRAY(regs, AspeedI3CDevice, ASPEED_I3C_DEVICE_NR_REGS),
+        VMSTATE_END_OF_LIST(),
+    }
+};
+
+static const MemoryRegionOps aspeed_i3c_device_ops = {
+    .read = aspeed_i3c_device_read,
+    .write = aspeed_i3c_device_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void aspeed_i3c_device_reset(DeviceState *dev)
+{
+    AspeedI3CDevice *s = ASPEED_I3C_DEVICE(dev);
+
+    memcpy(s->regs, ast2600_i3c_device_resets, sizeof(s->regs));
+}
+
+static void aspeed_i3c_device_realize(DeviceState *dev, Error **errp)
+{
+    AspeedI3CDevice *s = ASPEED_I3C_DEVICE(dev);
+    g_autofree char *name = g_strdup_printf(TYPE_ASPEED_I3C_DEVICE ".%d",
+                                            s->id);
+
+    sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq);
+
+    memory_region_init_io(&s->mr, OBJECT(s), &aspeed_i3c_device_ops,
+                          s, name, ASPEED_I3C_DEVICE_NR_REGS << 2);
+}
+
+static uint64_t aspeed_i3c_read(void *opaque, hwaddr addr, unsigned int size)
+{
+    AspeedI3CState *s = ASPEED_I3C(opaque);
+    uint64_t val = 0;
+
+    val = s->regs[addr >> 2];
+
+    trace_aspeed_i3c_read(addr, val);
+
+    return val;
+}
+
+static void aspeed_i3c_write(void *opaque,
+                             hwaddr addr,
+                             uint64_t data,
+                             unsigned int size)
+{
+    AspeedI3CState *s = ASPEED_I3C(opaque);
+
+    trace_aspeed_i3c_write(addr, data);
+
+    addr >>= 2;
+
+    /* I3C controller register */
+    switch (addr) {
+    case R_I3C1_REG1:
+    case R_I3C2_REG1:
+    case R_I3C3_REG1:
+    case R_I3C4_REG1:
+    case R_I3C5_REG1:
+    case R_I3C6_REG1:
+        if (data & R_I3C1_REG1_I2C_MODE_MASK) {
+            qemu_log_mask(LOG_UNIMP,
+                          "%s: Not support I2C mode [%08lx]=%08lx",
+                          __func__, addr << 2, data);
+            break;
+        }
+        if (data & R_I3C1_REG1_SA_EN_MASK) {
+            qemu_log_mask(LOG_UNIMP,
+                          "%s: Not support slave mode [%08lx]=%08lx",
+                          __func__, addr << 2, data);
+            break;
+        }
+        s->regs[addr] = data;
+        break;
+    default:
+        s->regs[addr] = data;
+        break;
+    }
+}
+
+static const MemoryRegionOps aspeed_i3c_ops = {
+    .read = aspeed_i3c_read,
+    .write = aspeed_i3c_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .valid = {
+        .min_access_size = 1,
+        .max_access_size = 4,
+    }
+};
+
+static void aspeed_i3c_reset(DeviceState *dev)
+{
+    AspeedI3CState *s = ASPEED_I3C(dev);
+    memset(s->regs, 0, sizeof(s->regs));
+}
+
+static void aspeed_i3c_instance_init(Object *obj)
+{
+    AspeedI3CState *s = ASPEED_I3C(obj);
+    int i;
+
+    for (i = 0; i < ASPEED_I3C_NR_DEVICES; ++i) {
+        object_initialize_child(obj, "device[*]", &s->devices[i],
+                TYPE_ASPEED_I3C_DEVICE);
+    }
+}
+
+static void aspeed_i3c_realize(DeviceState *dev, Error **errp)
+{
+    int i;
+    AspeedI3CState *s = ASPEED_I3C(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+    memory_region_init(&s->iomem_container, OBJECT(s),
+            TYPE_ASPEED_I3C ".container", 0x8000);
+
+    sysbus_init_mmio(sbd, &s->iomem_container);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i3c_ops, s,
+            TYPE_ASPEED_I3C ".regs", ASPEED_I3C_NR_REGS << 2);
+
+    memory_region_add_subregion(&s->iomem_container, 0x0, &s->iomem);
+
+    for (i = 0; i < ASPEED_I3C_NR_DEVICES; ++i) {
+        Object *dev = OBJECT(&s->devices[i]);
+
+        if (!object_property_set_uint(dev, "device-id", i, errp)) {
+            return;
+        }
+
+        if (!sysbus_realize(SYS_BUS_DEVICE(dev), errp)) {
+            return;
+        }
+
+        /*
+         * Register Address of I3CX Device =
+         *     (Base Address of Global Register) + (Offset of I3CX) + Offset
+         * X = 0, 1, 2, 3, 4, 5
+         * Offset of I3C0 = 0x2000
+         * Offset of I3C1 = 0x3000
+         * Offset of I3C2 = 0x4000
+         * Offset of I3C3 = 0x5000
+         * Offset of I3C4 = 0x6000
+         * Offset of I3C5 = 0x7000
+         */
+        memory_region_add_subregion(&s->iomem_container,
+                0x2000 + i * 0x1000, &s->devices[i].mr);
+    }
+
+}
+
+static Property aspeed_i3c_device_properties[] = {
+    DEFINE_PROP_UINT8("device-id", AspeedI3CDevice, id, 0),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void aspeed_i3c_device_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "Aspeed I3C Device";
+    dc->realize = aspeed_i3c_device_realize;
+    dc->reset = aspeed_i3c_device_reset;
+    device_class_set_props(dc, aspeed_i3c_device_properties);
+}
+
+static const TypeInfo aspeed_i3c_device_info = {
+    .name = TYPE_ASPEED_I3C_DEVICE,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(AspeedI3CDevice),
+    .class_init = aspeed_i3c_device_class_init,
+};
+
+static const VMStateDescription vmstate_aspeed_i3c = {
+    .name = TYPE_ASPEED_I3C,
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32_ARRAY(regs, AspeedI3CState, ASPEED_I3C_NR_REGS),
+        VMSTATE_STRUCT_ARRAY(devices, AspeedI3CState, ASPEED_I3C_NR_DEVICES, 1,
+                             aspeed_i3c_device_vmstate, AspeedI3CDevice),
+        VMSTATE_END_OF_LIST(),
+    }
+};
+
+static void aspeed_i3c_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->realize = aspeed_i3c_realize;
+    dc->reset = aspeed_i3c_reset;
+    dc->desc = "Aspeed I3C Controller";
+    dc->vmsd = &vmstate_aspeed_i3c;
+}
+
+static const TypeInfo aspeed_i3c_info = {
+    .name = TYPE_ASPEED_I3C,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_init = aspeed_i3c_instance_init,
+    .instance_size = sizeof(AspeedI3CState),
+    .class_init = aspeed_i3c_class_init,
+};
+
+static void aspeed_i3c_register_types(void)
+{
+    type_register_static(&aspeed_i3c_device_info);
+    type_register_static(&aspeed_i3c_info);
+}
+
+type_init(aspeed_i3c_register_types);
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 3f41a3a5b2..d1a1169108 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -105,6 +105,7 @@ softmmu_ss.add(when: 'CONFIG_PVPANIC_PCI', if_true: files('pvpanic-pci.c'))
 softmmu_ss.add(when: 'CONFIG_AUX', if_true: files('auxbus.c'))
 softmmu_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files(
   'aspeed_hace.c',
+  'aspeed_i3c.c',
   'aspeed_lpc.c',
   'aspeed_scu.c',
   'aspeed_sdmc.c',
diff --git a/hw/misc/trace-events b/hw/misc/trace-events
index 2da96d167a..1c373dd0a4 100644
--- a/hw/misc/trace-events
+++ b/hw/misc/trace-events
@@ -199,6 +199,12 @@ armsse_mhu_write(uint64_t offset, uint64_t data, unsigned size) "SSE-200 MHU wri
 # aspeed_xdma.c
 aspeed_xdma_write(uint64_t offset, uint64_t data) "XDMA write: offset 0x%" PRIx64 " data 0x%" PRIx64
 
+# aspeed_i3c.c
+aspeed_i3c_read(uint64_t offset, uint64_t data) "I3C read: offset 0x%" PRIx64 " data 0x%" PRIx64
+aspeed_i3c_write(uint64_t offset, uint64_t data) "I3C write: offset 0x%" PRIx64 " data 0x%" PRIx64
+aspeed_i3c_device_read(uint32_t deviceid, uint64_t offset, uint64_t data) "I3C Dev[%u] read: offset 0x%" PRIx64 " data 0x%" PRIx64
+aspeed_i3c_device_write(uint32_t deviceid, uint64_t offset, uint64_t data) "I3C Dev[%u] write: offset 0x%" PRIx64 " data 0x%" PRIx64
+
 # bcm2835_property.c
 bcm2835_mbox_property(uint32_t tag, uint32_t bufsize, size_t resplen) "mbox property tag:0x%08x in_sz:%u out_sz:%zu"
 
diff --git a/include/hw/misc/aspeed_i3c.h b/include/hw/misc/aspeed_i3c.h
new file mode 100644
index 0000000000..39679dfa1a
--- /dev/null
+++ b/include/hw/misc/aspeed_i3c.h
@@ -0,0 +1,48 @@
+/*
+ * ASPEED I3C Controller
+ *
+ * Copyright (C) 2021 ASPEED Technology Inc.
+ *
+ * This code is licensed under the GPL version 2 or later.  See
+ * the COPYING file in the top-level directory.
+ */
+
+#ifndef ASPEED_I3C_H
+#define ASPEED_I3C_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_ASPEED_I3C "aspeed.i3c"
+#define TYPE_ASPEED_I3C_DEVICE "aspeed.i3c.device"
+OBJECT_DECLARE_TYPE(AspeedI3CState, AspeedI3CClass, ASPEED_I3C)
+
+#define ASPEED_I3C_NR_REGS (0x70 >> 2)
+#define ASPEED_I3C_DEVICE_NR_REGS (0x300 >> 2)
+#define ASPEED_I3C_NR_DEVICES 6
+
+OBJECT_DECLARE_SIMPLE_TYPE(AspeedI3CDevice, ASPEED_I3C_DEVICE)
+typedef struct AspeedI3CDevice {
+    /* <private> */
+    SysBusDevice parent;
+
+    /* <public> */
+    MemoryRegion mr;
+    qemu_irq irq;
+
+    uint8_t id;
+    uint32_t regs[ASPEED_I3C_DEVICE_NR_REGS];
+} AspeedI3CDevice;
+
+typedef struct AspeedI3CState {
+    /* <private> */
+    SysBusDevice parent;
+
+    /* <public> */
+    MemoryRegion iomem;
+    MemoryRegion iomem_container;
+    qemu_irq irq;
+
+    uint32_t regs[ASPEED_I3C_NR_REGS];
+    AspeedI3CDevice devices[ASPEED_I3C_NR_DEVICES];
+} AspeedI3CState;
+#endif /* ASPEED_I3C_H */
