1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
7 * Copyright (C) 2015 Imagination Technologies, Inc.
8 */
9#include <linux/kernel.h>
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/platform_device.h>
13#include <linux/leds.h>
14#include <linux/err.h>
15#include <linux/io.h>
16
17#include <asm/mips-boards/sead3-addr.h>
18
19static void sead3_pled_set(struct led_classdev *led_cdev,
20		enum led_brightness value)
21{
22	writel(value, (void __iomem *)SEAD3_CPLD_P_LED);
23}
24
25static void sead3_fled_set(struct led_classdev *led_cdev,
26		enum led_brightness value)
27{
28	writel(value, (void __iomem *)SEAD3_CPLD_F_LED);
29}
30
31static struct led_classdev sead3_pled = {
32	.name		= "sead3::pled",
33	.brightness_set = sead3_pled_set,
34	.flags		= LED_CORE_SUSPENDRESUME,
35};
36
37static struct led_classdev sead3_fled = {
38	.name		= "sead3::fled",
39	.brightness_set = sead3_fled_set,
40	.flags		= LED_CORE_SUSPENDRESUME,
41};
42
43static int sead3_led_probe(struct platform_device *pdev)
44{
45	int ret;
46
47	ret = led_classdev_register(&pdev->dev, &sead3_pled);
48	if (ret < 0)
49		return ret;
50
51	ret = led_classdev_register(&pdev->dev, &sead3_fled);
52	if (ret < 0)
53		led_classdev_unregister(&sead3_pled);
54
55	return ret;
56}
57
58static int sead3_led_remove(struct platform_device *pdev)
59{
60	led_classdev_unregister(&sead3_pled);
61	led_classdev_unregister(&sead3_fled);
62	return 0;
63}
64
65static struct platform_driver sead3_led_driver = {
66	.probe		= sead3_led_probe,
67	.remove		= sead3_led_remove,
68	.driver		= {
69		.name		= "sead3-led",
70	},
71};
72
73module_platform_driver(sead3_led_driver);
74
75MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
76MODULE_DESCRIPTION("SEAD3 LED driver");
77MODULE_LICENSE("GPL");
78