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