diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 67723d9ea6..8e7c9d22a4 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -378,6 +378,7 @@ config NPCM7XX
     select SERIAL
     select SSI
     select UNIMP
+    select PCA954X
 
 config FSL_IMX25
     bool
diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c
index eed0da71b8..e5a3243995 100644
--- a/hw/arm/npcm7xx_boards.c
+++ b/hw/arm/npcm7xx_boards.c
@@ -18,6 +18,7 @@
 
 #include "hw/arm/npcm7xx.h"
 #include "hw/core/cpu.h"
+#include "hw/i2c/i2c_mux_pca954x.h"
 #include "hw/i2c/smbus_eeprom.h"
 #include "hw/loader.h"
 #include "hw/qdev-core.h"
@@ -232,10 +233,7 @@ static void quanta_gsj_i2c_init(NPCM7xxState *soc)
      * - ucd90160@6b
      */
 
-    /*
-     * i2c-15:
-     * - pca9548@75
-     */
+    i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 15), "pca9548", 0x75);
 }
 
 static void quanta_gsj_fan_init(NPCM7xxMachine *machine, NPCM7xxState *soc)