1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Cobalt buttons platform device.
4 *
5 * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
6 */
7
8#include <linux/platform_device.h>
9#include <linux/errno.h>
10#include <linux/init.h>
11
12static struct resource cobalt_buttons_resource __initdata = {
13 .start = 0x1d000000,
14 .end = 0x1d000003,
15 .flags = IORESOURCE_MEM,
16};
17
18static __init int cobalt_add_buttons(void)
19{
20 struct platform_device *pd;
21 int error;
22
23 pd = platform_device_alloc(name: "Cobalt buttons", id: -1);
24 if (!pd)
25 return -ENOMEM;
26
27 error = platform_device_add_resources(pdev: pd, res: &cobalt_buttons_resource, num: 1);
28 if (error)
29 goto err_free_device;
30
31 error = platform_device_add(pdev: pd);
32 if (error)
33 goto err_free_device;
34
35 return 0;
36
37 err_free_device:
38 platform_device_put(pdev: pd);
39 return error;
40}
41device_initcall(cobalt_add_buttons);
42

source code of linux/arch/mips/cobalt/buttons.c