From 6c895c95161da90ebf9ef71c94f17db9fb2d6792 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 7 May 2015 16:44:38 -0600
Subject: [PATCH] teensy-lc: remap UART0 to the standard pins. From Michael
 Hope.

---
 configs/teensy-lc/src/kl_boardinitialize.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/configs/teensy-lc/src/kl_boardinitialize.c b/configs/teensy-lc/src/kl_boardinitialize.c
index 48bc7533a5..28c5fcb766 100644
--- a/configs/teensy-lc/src/kl_boardinitialize.c
+++ b/configs/teensy-lc/src/kl_boardinitialize.c
@@ -74,6 +74,15 @@
 
 void kl_boardinitialize(void)
 {
+#if defined(CONFIG_KL_UART0)
+  /* Remap UART0 to the standard pins. */
+
+  kl_configgpio(PIN_PORTA | PIN2);
+  kl_configgpio(PIN_PORTA | PIN1);
+  kl_configgpio(PIN_UART0_RX_3);
+  kl_configgpio(PIN_UART0_TX_3);
+#endif
+
   /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
    * kl_spiinitialize() has been brought into the link.
    */