From 8acd09279946fd0e82951bcd708505bdc3fc0d86 Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Mon, 8 Jun 2020 23:24:46 +0200
Subject: [PATCH] icestick: fix UART flow control pins.

UART flow control pins match the signal names in the schematic, but
directions are reversed. Fix by setting role=dce.
---
 nmigen_boards/icestick.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nmigen_boards/icestick.py b/nmigen_boards/icestick.py
index c6cdfe7..257e623 100644
--- a/nmigen_boards/icestick.py
+++ b/nmigen_boards/icestick.py
@@ -21,7 +21,8 @@ class ICEStickPlatform(LatticeICE40Platform):
 
         UARTResource(0,
             rx="9", tx="8", rts="7", cts="4", dtr="3", dsr="2", dcd="1",
-            attrs=Attrs(IO_STANDARD="SB_LVTTL", PULLUP=1)
+            attrs=Attrs(IO_STANDARD="SB_LVTTL", PULLUP=1),
+            role="dce"
         ),
 
         IrDAResource(0,
-- 
2.30.2