37 lines
		
	
	
		
			717 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			717 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2018 Allied Telesis Labs
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|  */
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| 
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| #include <common.h>
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| #include <dm.h>
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| #include <asm/gpio.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| int gpio_hog_list(struct gpio_desc *gpiod, int max_count,
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| 		  const char *node_name, const char *gpio_name, int value)
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| {
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| 	int node;
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| 	int count;
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| 	int i;
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| 
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| 	node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, node_name);
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| 	if (node < 0)
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| 		return -ENODEV;
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| 
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| 	if (!dm_gpio_is_valid(gpiod)) {
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| 		count =
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| 		    gpio_request_list_by_name_nodev(offset_to_ofnode(node),
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| 						    gpio_name, gpiod, max_count,
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| 						    GPIOD_IS_OUT);
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| 		if (count < 0)
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| 			return count;
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| 
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| 		for (i = 0; i < count; i++)
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| 			dm_gpio_set_value(&gpiod[i], value);
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| 	}
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| 
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| 	return 0;
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| }
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