From 570ea1174448c7e81a0356ba33ced2559a6f5b0e Mon Sep 17 00:00:00 2001
From: Guilherme Salustiano <guilherme@marsaude.net>
Date: Wed, 23 Nov 2022 09:16:50 -0300
Subject: [PATCH 1/2] fix(plataform.basys_3): V_sync is pin R19

Based in https://github.com/Digilent/digilent-xdc/blob/master/Basys-3-Master.xdc#LL129C34-L129C37
---
 litex_boards/platforms/digilent_basys3.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litex_boards/platforms/digilent_basys3.py b/litex_boards/platforms/digilent_basys3.py
index 08d6435..9b3827f 100644
--- a/litex_boards/platforms/digilent_basys3.py
+++ b/litex_boards/platforms/digilent_basys3.py
@@ -67,7 +67,7 @@ _io = [
     # VGA
      ("vga", 0,
         Subsignal("hsync_n", Pins("P19")),
-        Subsignal("vsync_n", Pins("R18")),
+        Subsignal("vsync_n", Pins("R19")),
         Subsignal("r", Pins("G19 H19 J19 N19")),
         Subsignal("g", Pins("J17 H17 G17 D17")),
         Subsignal("b", Pins("N18 L18 K18 J18")),

From 25c40ddda79619fdbdaabcec7545748aaf0d544a Mon Sep 17 00:00:00 2001
From: Guilherme Salustiano <guissalustiano@gmail.com>
Date: Mon, 5 Dec 2022 21:38:56 -0300
Subject: [PATCH 2/2] add gpio to board

---
 litex_boards/platforms/digilent_basys3.py | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/litex_boards/platforms/digilent_basys3.py b/litex_boards/platforms/digilent_basys3.py
index 9b3827f..552e96c 100644
--- a/litex_boards/platforms/digilent_basys3.py
+++ b/litex_boards/platforms/digilent_basys3.py
@@ -65,21 +65,32 @@ _io = [
     ),
 
     # VGA
-     ("vga", 0,
+    ("vga", 0,
         Subsignal("hsync_n", Pins("P19")),
-        Subsignal("vsync_n", Pins("R19")),
+        Subsignal("vsync_n", Pins("R18")),
         Subsignal("r", Pins("G19 H19 J19 N19")),
         Subsignal("g", Pins("J17 H17 G17 D17")),
         Subsignal("b", Pins("N18 L18 K18 J18")),
         IOStandard("LVCMOS33")
     ),
-    
+
     # USB PS/2
     ("usbhost", 0,
        Subsignal("ps2_clk", Pins("B6")),
        Subsignal("ps2_data", Pins("A6")),
-       IOStandard("LVCMOS33"))
+       IOStandard("LVCMOS33")
+    ),
 
+
+    ("gpio", 0,
+       Subsignal("a", Pins("J1   L2  J2  G2  H1  K2  H2  G3")),
+       Subsignal("b", Pins("A14 A16 B15 B16 A15 A17 C15 C16")),
+       Subsignal("c0", Pins("K17")),
+       Subsignal("c1", Pins("M18")),
+       Subsignal("c6", Pins("L17")),
+       Subsignal("c7", Pins("M19")),
+       Subsignal("xadc", Pins("J3  L3  M2  N2  K3  M3  M1  N1")),
+       IOStandard("LVCMOS33"))
 ]
 
 # Connectors ---------------------------------------------------------------------------------------