diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c
index 7f49c13391..ca487774ae 100644
--- a/hw/arm/aspeed_ast10x0.c
+++ b/hw/arm/aspeed_ast10x0.c
@@ -372,6 +372,8 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
                         sc->memmap[ASPEED_DEV_SPI1 + i]);
         aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&s->spi[i]), 1,
                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
+                           aspeed_soc_ast1030_get_irq(s, ASPEED_DEV_SPI1 + i));
     }
 
     /* Secure Boot Controller */
diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c
index 498d1ecc07..4c5a42ea17 100644
--- a/hw/arm/aspeed_ast2600.c
+++ b/hw/arm/aspeed_ast2600.c
@@ -557,6 +557,8 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
                         sc->memmap[ASPEED_DEV_SPI1 + i]);
         aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&s->spi[i]), 1,
                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
+                           aspeed_soc_ast2600_get_irq(s, ASPEED_DEV_SPI1 + i));
     }
 
     /* EHCI */
diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
index 1e6f469538..95f155fcf1 100644
--- a/hw/arm/aspeed_ast27x0.c
+++ b/hw/arm/aspeed_ast27x0.c
@@ -831,6 +831,8 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
                         sc->memmap[ASPEED_DEV_SPI0 + i]);
         aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&s->spi[i]), 1,
                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
+                           aspeed_soc_ast2700_get_irq(s, ASPEED_DEV_SPI0 + i));
     }
 
     /* EHCI */