1 files changed, 20 insertions, 1 deletions
diff --git a/include/util.h b/include/util.h
index 4ed352f0d7..1b077d0f55 100644
--- a/include/util.h
+++ b/include/util.h
@@ -342,7 +342,7 @@ void wait_for_ready(volatile uint32_t *reg, uint32_t enable, uint32_t ready);
  * the normal ternary system order (skipping the values that were already used
  * up).
  *
- * This function is useful for converting BOARd ID, which is initially used a
+ * This function is useful for converting BOARD ID, which is initially used a
  * binary and later decided to switch to tri-state after some revisions have
  * already been built.
  *
@@ -365,6 +365,25 @@ void wait_for_ready(volatile uint32_t *reg, uint32_t enable, uint32_t ready);
  */
 int binary_first_base3_from_bits(int *bits, int nbits);
 
+/**
+ * Convert the binary bit array to integer value.
+ *
+ * @param bits    array of integers with values of 0 and 1
+ * @param nbits   number of bits to decode
+ * @return        integer decoded from bits
+ */
+int binary_from_bits(int *bits, int nbits);
+
+/**
+ * Convert the ternary bit array to integer value.
+ * This function is used to handle 'Z' state of gpio as value of '2'.
+ *
+ * @param bits    array of integers with values of 0, 1 or 2
+ * @param nbits   number of bits to decode
+ * @return        integer decoded from bits
+ */
+int ternary_from_bits(int *bits, int nbits);
+
 #ifdef __cplusplus
 }
 #endif