diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c
index 708c3e7..20a1f25 100644
--- a/board/bosch/guardian/mux.c
+++ b/board/bosch/guardian/mux.c
@@ -26,27 +26,19 @@
 	{-1},
 };
 
-static struct module_pin_mux adc_voltages_en[] = {
-	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
+static struct module_pin_mux guardian_interfaces_pin_mux[] = {
+	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLDOWN_EN)},
+	{OFFSET(mcasp0_aclkx),  (MODE(7) | PULLUP_EN)},
+	{OFFSET(mii1_txd0),     (MODE(7) | PULLUP_EN)},
+	{OFFSET(uart1_rxd),     (MODE(7) | RXACTIVE | PULLUDDIS)},
+	{OFFSET(uart1_txd),     (MODE(7) | PULLUDDIS)},
+	{OFFSET(mii1_crs),      (MODE(7) | PULLDOWN_EN)},
+	{OFFSET(rmii1_refclk),  (MODE(7) | PULLDOWN_EN)},
+	{OFFSET(mii1_txd3),     (MODE(7) | PULLUDDIS)},
+	{OFFSET(mii1_rxdv),     (MODE(7) | PULLDOWN_EN)},
 	{-1},
 };
 
-static struct module_pin_mux asp_power_en[] = {
-	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
-	{-1},
-};
-
-static struct module_pin_mux switch_off_3v6_pin_mux[] = {
-	{OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
-	/*
-	 * The uart1 lines are made floating inputs, based on the Guardian
-	 * A2 Sample Power Supply Schematics
-	 */
-	{OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
-	{OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
-	{-1},
-};
-
 #ifdef CONFIG_NAND
 static struct module_pin_mux nand_pin_mux[] = {
 	{OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)},
@@ -93,7 +85,5 @@
 #ifdef CONFIG_NAND
 	configure_module_pin_mux(nand_pin_mux);
 #endif
-	configure_module_pin_mux(adc_voltages_en);
-	configure_module_pin_mux(asp_power_en);
-	configure_module_pin_mux(switch_off_3v6_pin_mux);
+	configure_module_pin_mux(guardian_interfaces_pin_mux);
 }