Index: src/sys/dev/i2c/dbcool.c
===================================================================
RCS file: /cvsroot/src/sys/dev/i2c/dbcool.c,v
retrieving revision 1.43
diff -u -r1.43 dbcool.c
--- src/sys/dev/i2c/dbcool.c	23 Apr 2015 23:23:00 -0000	1.43
+++ src/sys/dev/i2c/dbcool.c	13 Dec 2015 17:36:06 -0000
@@ -731,6 +731,10 @@
 CFATTACH_DECL_NEW(dbcool, sizeof(struct dbcool_softc),
     dbcool_match, dbcool_attach, dbcool_detach, NULL);
 
+static const char * dbcool_compats[] = {
+	"i2c-adm1031",
+	NULL
+};
 int
 dbcool_match(device_t parent, cfdata_t cf, void *aux)
 {
@@ -742,12 +746,19 @@
 	dc.dc_readreg = dbcool_readreg;
 	dc.dc_writereg = dbcool_writereg;
 
-	/* no probing if we attach to iic, but verify chip id  and address */
-	if ((ia->ia_addr & DBCOOL_ADDRMASK) != DBCOOL_ADDR)
-		return 0;
-	if (dbcool_chip_ident(&dc) >= 0)
-		return 1;
-
+	/* Direct config - match compats */
+	if (ia->ia_name) {
+		if (ia->ia_ncompat > 0) {
+			if (iic_compat_match(ia, dbcool_compats))
+				return 1;
+		}
+	/* Indirect config - check address and chip ID */
+	} else {
+		if ((ia->ia_addr & DBCOOL_ADDRMASK) != DBCOOL_ADDR)
+			return 0;
+		if (dbcool_chip_ident(&dc) >= 0)
+			return 1;
+	}
 	return 0;
 }