diff --git a/cpu/sam0_common/include/periph_cpu_common.h b/cpu/sam0_common/include/periph_cpu_common.h
index e9be610222..e55e2a109b 100644
--- a/cpu/sam0_common/include/periph_cpu_common.h
+++ b/cpu/sam0_common/include/periph_cpu_common.h
@@ -343,6 +343,11 @@ typedef struct {
     uint16_t flags;         /**< flags for CTRA, e.g. TC_CTRLA_MODE_COUNT32 */
 } tc32_conf_t;
 
+/**
+ * @brief   Number of available timer channels
+ */
+#define TIMER_CHANNELS      (2)
+
 /**
  * @brief   Set up alternate function (PMUX setting) for a PORT pin
  *