Index: sys/dev/ichiic/ig4_pci.c
===================================================================
--- sys/dev/ichiic/ig4_pci.c
+++ sys/dev/ichiic/ig4_pci.c
@@ -80,73 +80,63 @@
 #define PCI_CHIP_SKYLAKE_I2C_3		0x9d638086
 #define PCI_CHIP_SKYLAKE_I2C_4		0x9d648086
 #define PCI_CHIP_SKYLAKE_I2C_5		0x9d658086
+#define PCI_CHIP_APL_I2C_0		0x5aac8086
+#define PCI_CHIP_APL_I2C_1		0x5aae8086
+#define PCI_CHIP_APL_I2C_2		0x5ab08086
+#define PCI_CHIP_APL_I2C_3		0x5ab28086
+#define PCI_CHIP_APL_I2C_4		0x5ab48086
+#define PCI_CHIP_APL_I2C_5		0x5ab68086
+#define PCI_CHIP_APL_I2C_6		0x5ab88086
+#define PCI_CHIP_APL_I2C_7		0x5aba8086
 
+struct ig4iic_pci_device {
+	uint32_t	devid;
+	const char	*desc;
+	enum ig4_vers	version;
+};
+
+static struct ig4iic_pci_device ig4iic_pci_devices[] = {
+	{ PCI_CHIP_LYNXPT_LP_I2C_1, "Intel Lynx Point-LP I2C Controller-1", IG4_HASWELL},
+	{ PCI_CHIP_LYNXPT_LP_I2C_2, "Intel Lynx Point-LP I2C Controller-2", IG4_HASWELL},
+	{ PCI_CHIP_BRASWELL_I2C_1, "Intel Braswell Serial I/O I2C Port 1", IG4_ATOM},
+	{ PCI_CHIP_BRASWELL_I2C_2, "Intel Braswell Serial I/O I2C Port 2", IG4_ATOM},
+	{ PCI_CHIP_BRASWELL_I2C_3, "Intel Braswell Serial I/O I2C Port 3", IG4_ATOM},
+	{ PCI_CHIP_BRASWELL_I2C_5, "Intel Braswell Serial I/O I2C Port 5", IG4_ATOM},
+	{ PCI_CHIP_BRASWELL_I2C_6, "Intel Braswell Serial I/O I2C Port 6", IG4_ATOM},
+	{ PCI_CHIP_BRASWELL_I2C_7, "Intel Braswell Serial I/O I2C Port 7", IG4_ATOM},
+	{ PCI_CHIP_SKYLAKE_I2C_0, "Intel Sunrise Point-LP I2C Controller-0", IG4_SKYLAKE},
+	{ PCI_CHIP_SKYLAKE_I2C_1, "Intel Sunrise Point-LP I2C Controller-1", IG4_SKYLAKE},
+	{ PCI_CHIP_SKYLAKE_I2C_2, "Intel Sunrise Point-LP I2C Controller-2", IG4_SKYLAKE},
+	{ PCI_CHIP_SKYLAKE_I2C_3, "Intel Sunrise Point-LP I2C Controller-3", IG4_SKYLAKE},
+	{ PCI_CHIP_SKYLAKE_I2C_4, "Intel Sunrise Point-LP I2C Controller-4", IG4_SKYLAKE},
+	{ PCI_CHIP_SKYLAKE_I2C_5, "Intel Sunrise Point-LP I2C Controller-5", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_0, "Intel Apollo Lake I2C Controller-0", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_1, "Intel Apollo Lake I2C Controller-1", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_2, "Intel Apollo Lake I2C Controller-2", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_3, "Intel Apollo Lake I2C Controller-3", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_4, "Intel Apollo Lake I2C Controller-4", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_5, "Intel Apollo Lake I2C Controller-5", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_6, "Intel Apollo Lake I2C Controller-6", IG4_SKYLAKE},
+	{ PCI_CHIP_APL_I2C_7, "Intel Apollo Lake I2C Controller-7", IG4_SKYLAKE},
+	{ 0, NULL, 0 },
+};
+
 static int
 ig4iic_pci_probe(device_t dev)
 {
 	ig4iic_softc_t *sc = device_get_softc(dev);
+	uint32_t devid;
+	int i;
 
-	switch(pci_get_devid(dev)) {
-	case PCI_CHIP_LYNXPT_LP_I2C_1:
-		device_set_desc(dev, "Intel Lynx Point-LP I2C Controller-1");
-		sc->version = IG4_HASWELL;
-		break;
-	case PCI_CHIP_LYNXPT_LP_I2C_2:
-		device_set_desc(dev, "Intel Lynx Point-LP I2C Controller-2");
-		sc->version = IG4_HASWELL;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_1:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 1");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_2:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 2");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_3:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 3");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_5:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 5");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_6:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 6");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_BRASWELL_I2C_7:
-		device_set_desc(dev, "Intel Braswell Serial I/O I2C Port 7");
-		sc->version = IG4_ATOM;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_0:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-0");
-		sc->version = IG4_SKYLAKE;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_1:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-1");
-		sc->version = IG4_SKYLAKE;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_2:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-2");
-		sc->version = IG4_SKYLAKE;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_3:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-3");
-		sc->version = IG4_SKYLAKE;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_4:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-4");
-		sc->version = IG4_SKYLAKE;
-		break;
-	case PCI_CHIP_SKYLAKE_I2C_5:
-		device_set_desc(dev, "Intel Sunrise Point-LP I2C Controller-5");
-		sc->version = IG4_SKYLAKE;
-		break;
-	default:
-		return (ENXIO);
+	devid = pci_get_devid(dev);
+	for (i = 0; ig4iic_pci_devices[i].devid != 0; i++) {
+		if (ig4iic_pci_devices[i].devid == devid) {
+			device_set_desc(dev, ig4iic_pci_devices[i].desc);
+			sc->version = ig4iic_pci_devices[i].version;
+			return (BUS_PROBE_DEFAULT);
+		}
 	}
-	return (BUS_PROBE_DEFAULT);
+	return (ENXIO);
 }
 
 static int
Index: sys/dev/ichiic/ig4_var.h
===================================================================
--- sys/dev/ichiic/ig4_var.h
+++ sys/dev/ichiic/ig4_var.h
@@ -47,7 +47,7 @@
 #define IG4_RBUFMASK	(IG4_RBUFSIZE - 1)
 
 enum ig4_op { IG4_IDLE, IG4_READ, IG4_WRITE };
-enum ig4_vers { IG4_HASWELL, IG4_ATOM, IG4_SKYLAKE };
+enum ig4_vers { IG4_HASWELL, IG4_ATOM, IG4_SKYLAKE, IG4_APL };
 
 struct ig4iic_softc {
 	device_t	dev;