aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/cobalt/Makefile2
-rw-r--r--arch/mips/cobalt/buttons.c54
2 files changed, 55 insertions, 1 deletions
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index 225ac8f34ccd..c35ee25e5578 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,7 +2,7 @@
2# Makefile for the Cobalt micro systems family specific parts of the kernel 2# Makefile for the Cobalt micro systems family specific parts of the kernel
3# 3#
4 4
5obj-y := irq.o reset.o setup.o 5obj-y := irq.o reset.o setup.o buttons.o
6 6
7obj-$(CONFIG_EARLY_PRINTK) += console.o 7obj-$(CONFIG_EARLY_PRINTK) += console.o
8 8
diff --git a/arch/mips/cobalt/buttons.c b/arch/mips/cobalt/buttons.c
new file mode 100644
index 000000000000..9e143989c7b8
--- /dev/null
+++ b/arch/mips/cobalt/buttons.c
@@ -0,0 +1,54 @@
1/*
2 * Cobalt buttons platform device.
3 *
4 * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <linux/platform_device.h>
22#include <linux/errno.h>
23#include <linux/init.h>
24
25static struct resource cobalt_buttons_resource __initdata = {
26 .start = 0x1d000000,
27 .end = 0x1d000003,
28 .flags = IORESOURCE_MEM,
29};
30
31static __init int cobalt_add_buttons(void)
32{
33 struct platform_device *pd;
34 int error;
35
36 pd = platform_device_alloc("Cobalt buttons", -1);
37 if (!pd)
38 return -ENOMEM;
39
40 error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
41 if (error)
42 goto err_free_device;
43
44 error = platform_device_add(pd);
45 if (error)
46 goto err_free_device;
47
48 return 0;
49
50 err_free_device:
51 platform_device_put(pd);
52 return error;
53}
54device_initcall(cobalt_add_buttons);