u-boot/drivers/video/sunxi/simplefb_common.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Common code for Allwinner SimpleFB with pipeline.
*
* (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
* (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
* (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
*/
#include <fdtdec.h>
int sunxi_simplefb_fdt_match(void *blob, const char *pipeline)
{
int offset, ret;
/* Find a prefilled simpefb node, matching out pipeline config */
offset = fdt_node_offset_by_compatible(blob, -1,
"allwinner,simple-framebuffer");
while (offset >= 0) {
ret = fdt_stringlist_search(blob, offset, "allwinner,pipeline",
pipeline);
if (ret == 0)
break;
offset = fdt_node_offset_by_compatible(blob, offset,
"allwinner,simple-framebuffer");
}
return offset;
}