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3070033a SH |
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. | |
fbacc8df | 7 | * Copyright (C) 2015 Imagination Technologies, Inc. |
3070033a SH |
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 | ||
fbacc8df RB |
17 | #include <asm/mips-boards/sead3-addr.h> |
18 | ||
3070033a SH |
19 | static void sead3_pled_set(struct led_classdev *led_cdev, |
20 | enum led_brightness value) | |
21 | { | |
fbacc8df | 22 | writel(value, (void __iomem *)SEAD3_CPLD_P_LED); |
3070033a SH |
23 | } |
24 | ||
25 | static void sead3_fled_set(struct led_classdev *led_cdev, | |
26 | enum led_brightness value) | |
27 | { | |
fbacc8df | 28 | writel(value, (void __iomem *)SEAD3_CPLD_F_LED); |
3070033a SH |
29 | } |
30 | ||
31 | static struct led_classdev sead3_pled = { | |
32 | .name = "sead3::pled", | |
70342287 | 33 | .brightness_set = sead3_pled_set, |
f4d1f2be | 34 | .flags = LED_CORE_SUSPENDRESUME, |
3070033a SH |
35 | }; |
36 | ||
37 | static struct led_classdev sead3_fled = { | |
38 | .name = "sead3::fled", | |
70342287 | 39 | .brightness_set = sead3_fled_set, |
f4d1f2be | 40 | .flags = LED_CORE_SUSPENDRESUME, |
3070033a SH |
41 | }; |
42 | ||
3070033a SH |
43 | static 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 | ||
58 | static int sead3_led_remove(struct platform_device *pdev) | |
59 | { | |
60 | led_classdev_unregister(&sead3_pled); | |
61 | led_classdev_unregister(&sead3_fled); | |
22a16873 | 62 | |
3070033a SH |
63 | return 0; |
64 | } | |
65 | ||
66 | static struct platform_driver sead3_led_driver = { | |
67 | .probe = sead3_led_probe, | |
68 | .remove = sead3_led_remove, | |
3070033a | 69 | .driver = { |
2c0916d4 | 70 | .name = "sead3-led", |
3070033a SH |
71 | }, |
72 | }; | |
73 | ||
4558e094 | 74 | module_platform_driver(sead3_led_driver); |
3070033a SH |
75 | |
76 | MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>"); | |
77 | MODULE_DESCRIPTION("SEAD3 LED driver"); | |
78 | MODULE_LICENSE("GPL"); |