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