From 95069704cdd88c1e0494081056df08b9526b9ae1 Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 8 Apr 2015 12:54:56 -0700
Subject: [PATCH] imx: ventana: add DT fixup for GW54xx compatibility with
older kernels
Certain older kernels in use by some customers erroneously define a uart3
for GW54xx with a pinmux that conflicts with NAND. This will remove
that node to avoid such conflicts.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
board/gateworks/gw_ventana/gw_ventana.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 068c7264bb..06611b50e0 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1598,6 +1598,17 @@ int ft_board_setup(void *blob, bd_t *bd)
fdt_setprop(blob, 0, "board", info->model,
strlen((const char *)info->model) + 1);
+ /*
+ * disable serial2 node for GW54xx for compatibility with older
+ * 3.10.x kernel that improperly had this node enabled in the DT
+ */
+ if (board_type == GW54xx) {
+ i = fdt_path_offset(blob,
+ "/soc/aips-bus@02100000/serial@021ec000");
+ if (i)
+ fdt_del_node(blob, i);
+ }
+
/*
* disable wdog1/wdog2 nodes for GW51xx below revC to work around
* errata causing wdog timer to be unreliable.
--
2.39.5