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imx: ventana: add DT fixup for GW54xx compatibility with older kernels

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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>
This commit is contained in:
Tim Harvey 2015-04-08 12:54:56 -07:00 committed by Stefano Babic
parent 7f14c31bba
commit 95069704cd
1 changed files with 11 additions and 0 deletions
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11
board/gateworks/gw_ventana/gw_ventana.c
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@ -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.