1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Common code for Allwinner SimpleFB with pipeline.
4 *
5 * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
6 * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
7 * (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
8 */
9
10#include <fdt_support.h>
11
12int sunxi_simplefb_fdt_match(void *blob, const char *pipeline)
13{
14	int offset, ret;
15
16	/* Find a prefilled simpefb node, matching out pipeline config */
17	offset = fdt_node_offset_by_compatible(blob, -1,
18					       "allwinner,simple-framebuffer");
19	fdt_for_each_node_by_compatible(offset, blob, -1,
20					"allwinner,simple-framebuffer") {
21		ret = fdt_stringlist_search(blob, offset, "allwinner,pipeline",
22					    pipeline);
23		if (ret == 0)
24			break;
25	}
26
27	return offset;
28}
29