blob: 1f87b3ac1b72292155cfda8b21de751e5d8b7b58 [file] [log] [blame]
Chris Packhamb55b2c92019-01-10 21:01:00 +13001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2018 Allied Telesis Labs
4 */
5
6#include <common.h>
7#include <dm.h>
8#include <asm/gpio.h>
9
10DECLARE_GLOBAL_DATA_PTR;
11
12int gpio_hog_list(struct gpio_desc *gpiod, int max_count,
13 const char *node_name, const char *gpio_name, int value)
14{
15 int node;
16 int count;
17 int i;
18
19 node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, node_name);
20 if (node < 0)
21 return -ENODEV;
22
23 if (!dm_gpio_is_valid(gpiod)) {
24 count =
25 gpio_request_list_by_name_nodev(offset_to_ofnode(node),
26 gpio_name, gpiod, max_count,
27 GPIOD_IS_OUT);
28 if (count < 0)
29 return count;
30
31 for (i = 0; i < count; i++)
32 dm_gpio_set_value(&gpiod[i], value);
33 }
34
35 return 0;
36}