1 files changed, 26 insertions, 0 deletions
diff --git a/chip/host/uartn.h b/chip/host/uartn.h
new file mode 100644
index 0000000000..5056e61bb7
--- /dev/null
+++ b/chip/host/uartn.h
@@ -0,0 +1,26 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef __CROS_EC_UARTN_H
+#define __CROS_EC_UARTN_H
+
+#include "uart.h"
+
+/**
+ * Flush the transmit FIFO.
+ */
+void uartn_tx_flush(int uart);
+
+/**
+ * Send a character to the UART data register.
+ *
+ * If the transmit FIFO is full, blocks until there is space.
+ *
+ * @param c		Character to send.
+ */
+void uartn_write_char(int uart, char c);
+
+
+#endif  /* __CROS_EC_UARTN_H */