diff --git a/cpu/cc26xx-cc13xx/dev/aux-ctrl.c b/cpu/cc26xx-cc13xx/dev/aux-ctrl.c
new file mode 100644
index 000000000..eb316d3df
--- /dev/null
+++ b/cpu/cc26xx-cc13xx/dev/aux-ctrl.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*---------------------------------------------------------------------------*/
+#include "contiki.h"
+#include "dev/aux-ctrl.h"
+#include "lib/list.h"
+
+#include "ti-lib.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+/*---------------------------------------------------------------------------*/
+LIST(consumers_list);
+/*---------------------------------------------------------------------------*/
+void
+aux_ctrl_register_consumer(aux_consumer_module_t *consumer)
+{
+  bool interrupts_disabled = ti_lib_int_master_disable();
+
+  list_add(consumers_list, consumer);
+
+  aux_ctrl_power_up();
+
+  ti_lib_aux_wuc_clock_enable(consumer->clocks);
+  while(ti_lib_aux_wuc_clock_status(consumer->clocks) != AUX_WUC_CLOCK_READY);
+
+  if(!interrupts_disabled) {
+    ti_lib_int_master_enable();
+  }
+}
+/*---------------------------------------------------------------------------*/
+void
+aux_ctrl_unregister_consumer(aux_consumer_module_t *consumer)
+{
+  bool interrupts_disabled = ti_lib_int_master_disable();
+
+  list_remove(consumers_list, consumer);
+
+  aux_ctrl_power_down(false);
+
+  if(!interrupts_disabled) {
+    ti_lib_int_master_enable();
+  }
+}
+/*---------------------------------------------------------------------------*/
+void
+aux_ctrl_power_up()
+{
+  /* Don't if we have no consumers */
+  if(list_head(consumers_list) == NULL) {
+    return;
+  }
+
+  ti_lib_aon_wuc_aux_wakeup_event(AONWUC_AUX_WAKEUP);
+  while(!(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON));
+}
+/*---------------------------------------------------------------------------*/
+void
+aux_ctrl_power_down(bool force)
+{
+  aux_consumer_module_t *consumer;
+  uint32_t clocks_in_use = 0;
+
+  if(!force) {
+    /* Visit all modules and release clocks */
+    for(consumer = list_head(consumers_list); consumer != NULL;
+        consumer = consumer->next) {
+      clocks_in_use |= consumer->clocks;
+    }
+
+    /* If any clocks are still in use, AUX needs to stay powered and clocked */
+    if(clocks_in_use) {
+      ti_lib_aon_wuc_aux_power_down_config(AONWUC_CLOCK_SRC_LF);
+      return;
+    }
+  }
+
+  /* No clock for AUX in power down */
+  ti_lib_aon_wuc_aux_power_down_config(AONWUC_NO_CLOCK);
+
+  /* Disable retention */
+  ti_lib_aon_wuc_aux_sram_config(false);
+
+  /* Turn off AUX */
+  ti_lib_aon_wuc_aux_wakeup_event(AONWUC_AUX_ALLOW_SLEEP);
+  ti_lib_aux_wuc_power_ctrl(AUX_WUC_POWER_OFF);
+  while(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON);
+}
+/*---------------------------------------------------------------------------*/
diff --git a/cpu/cc26xx-cc13xx/dev/aux-ctrl.h b/cpu/cc26xx-cc13xx/dev/aux-ctrl.h
new file mode 100644
index 000000000..8e65a7844
--- /dev/null
+++ b/cpu/cc26xx-cc13xx/dev/aux-ctrl.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*---------------------------------------------------------------------------*/
+/**
+ * \addtogroup cc26xx
+ * @{
+ *
+ * \defgroup cc26xx-aux-ctrl CC13xx/CC26xx AUX domain controller
+ *
+ * CC13xx/CC26xx AUX domain power management controller
+ *
+ * @{
+ *
+ * \file
+ * Header file for the management of the CC13xx/CC26xx AUX domain
+ */
+/*---------------------------------------------------------------------------*/
+#ifndef AUX_CTRL_H_
+#define AUX_CTRL_H_
+/*---------------------------------------------------------------------------*/
+#include "contiki.h"
+
+#include "ti-lib.h"
+
+#include <stdint.h>
+/*---------------------------------------------------------------------------*/
+/**
+ * \brief The data structure to be used for modules that require access to AUX
+ *
+ * The clocks field should specify the clocks (within AUX) that your module
+ * requires in order to perform its functionality. Those clocks are an ORd
+ * value of AUX_WUC_xxxx_CLOCK. For instance, the oscillators module specifies
+ * AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
+ */
+typedef struct aux_consumer_module {
+  struct aux_consumer_module *next;
+  uint32_t clocks;
+} aux_consumer_module_t;
+/*---------------------------------------------------------------------------*/
+/**
+ * \brief Register a module that no longer requires access to the AUX power domain
+ * \param consumer A pointer to the data structure of your AUX consumer
+ *
+ * Call this function if you are developing a module that requires access to
+ * hardware within the AUX PD. Calling this function will achieve a number of
+ * things:
+ *
+ * - It will power up the AUX PD
+ * - It will enable the AUX clocks that you require
+ *
+ * If you call this function, AUX will stay powered-on and clocked during deep
+ * sleep, and retention will be enabled (so that you can e.g. use the sensor
+ * controller to monitor peripherals while the main MCU in deep sleep). If you
+ * do not need AUX enabled during deep sleep, you must release it by calling
+ * aux_ctrl_unregister_consumer()
+ *
+ * \sa aux_ctrl_unregister_consumer
+ */
+void aux_ctrl_register_consumer(aux_consumer_module_t *consumer);
+
+/**
+ * \brief Deregister a module that no longer requires access to the AUX power domain
+ * \param consumer A pointer to the data structure of your AUX consumer
+ *
+ * When your module is finished using features provided from within the AUX
+ * domain, you should call this function to signal that AUX is no longer
+ * required, so that the LPM module can power it down in deep sleep. If there
+ * are no more registered consumers left, this function will also power down
+ * AUX.
+ *
+ * \sa aux_ctrl_register_consumer
+ * \sa aux_ctrl_power_down
+ */
+void aux_ctrl_unregister_consumer(aux_consumer_module_t *consumer);
+
+/**
+ * \brief Power-up the AUX power domain
+ *
+ * This function will power up the AUX power-domain, but only if there are
+ * registered consumers for it. If there are not, the PD will stay off.
+ *
+ * This function will automatically get called by the LPM module whenever the
+ * chip comes out of deep sleep.
+ *
+ * User applications will normally not need to call this function. if you are
+ * developing a user application that requires access, to AUX, you should
+ * normally call aux_ctrl_register_consumer(), which will automatically power
+ * up AUX for you, if it's not already powered.
+ */
+void aux_ctrl_power_up(void);
+
+/**
+ * \brief Power down the AUX power domain
+ * \param force Force the power down irrespective of registered consumers
+ *
+ * This function will shut down the AUX power-domain.
+ *
+ * The shutdown is unconditional if force is true. If force is false and there
+ * are registered consumers, the power-down will be suppressed.
+ *
+ * This function will automatically get called by the LPM module whenever the
+ * chip tries to enter deep sleep or shuts down.
+ *
+ * User applications will normally not need to call this function. if you are
+ * developing a user application that no longer requires access, to AUX, you
+ * should normally simply release it by calling aux_ctrl_unregister_consumer().
+ * If no other consumers are using AUX, then the lpm module will shut it down.
+ */
+void aux_ctrl_power_down(bool force);
+/*---------------------------------------------------------------------------*/
+#endif /* AUX_CTRL_H_ */
+/*---------------------------------------------------------------------------*/
+/**
+ * @}
+ * @}
+ */