diff options
Diffstat (limited to 'arch/arm/mach-orion5x/board-d2net.c')
-rw-r--r-- | arch/arm/mach-orion5x/board-d2net.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/board-d2net.c b/arch/arm/mach-orion5x/board-d2net.c new file mode 100644 index 000000000000..8a7284124153 --- /dev/null +++ b/arch/arm/mach-orion5x/board-d2net.c | |||
@@ -0,0 +1,109 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-orion5x/board-d2net.c | ||
3 | * | ||
4 | * LaCie d2Network and Big Disk Network NAS setup | ||
5 | * | ||
6 | * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com> | ||
7 | * | ||
8 | * This file is licensed under the terms of the GNU General Public | ||
9 | * License version 2. This program is licensed "as is" without any | ||
10 | * warranty of any kind, whether express or implied. | ||
11 | */ | ||
12 | |||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/platform_device.h> | ||
16 | #include <linux/pci.h> | ||
17 | #include <linux/irq.h> | ||
18 | #include <linux/leds.h> | ||
19 | #include <linux/gpio.h> | ||
20 | #include <asm/mach-types.h> | ||
21 | #include <asm/mach/arch.h> | ||
22 | #include <asm/mach/pci.h> | ||
23 | #include <mach/orion5x.h> | ||
24 | #include <plat/orion-gpio.h> | ||
25 | #include "common.h" | ||
26 | |||
27 | /***************************************************************************** | ||
28 | * LaCie d2 Network Info | ||
29 | ****************************************************************************/ | ||
30 | |||
31 | /***************************************************************************** | ||
32 | * GPIO LED's | ||
33 | ****************************************************************************/ | ||
34 | |||
35 | /* | ||
36 | * The blue front LED is wired to the CPLD and can blink in relation with the | ||
37 | * SATA activity. | ||
38 | * | ||
39 | * The following array detail the different LED registers and the combination | ||
40 | * of their possible values: | ||
41 | * | ||
42 | * led_off | blink_ctrl | SATA active | LED state | ||
43 | * | | | | ||
44 | * 1 | x | x | off | ||
45 | * 0 | 0 | 0 | off | ||
46 | * 0 | 1 | 0 | blink (rate 300ms) | ||
47 | * 0 | x | 1 | on | ||
48 | * | ||
49 | * Notes: The blue and the red front LED's can't be on at the same time. | ||
50 | * Red LED have priority. | ||
51 | */ | ||
52 | |||
53 | #define D2NET_GPIO_RED_LED 6 | ||
54 | #define D2NET_GPIO_BLUE_LED_BLINK_CTRL 16 | ||
55 | #define D2NET_GPIO_BLUE_LED_OFF 23 | ||
56 | |||
57 | static struct gpio_led d2net_leds[] = { | ||
58 | { | ||
59 | .name = "d2net:blue:sata", | ||
60 | .default_trigger = "default-on", | ||
61 | .gpio = D2NET_GPIO_BLUE_LED_OFF, | ||
62 | .active_low = 1, | ||
63 | }, | ||
64 | { | ||
65 | .name = "d2net:red:fail", | ||
66 | .gpio = D2NET_GPIO_RED_LED, | ||
67 | }, | ||
68 | }; | ||
69 | |||
70 | static struct gpio_led_platform_data d2net_led_data = { | ||
71 | .num_leds = ARRAY_SIZE(d2net_leds), | ||
72 | .leds = d2net_leds, | ||
73 | }; | ||
74 | |||
75 | static struct platform_device d2net_gpio_leds = { | ||
76 | .name = "leds-gpio", | ||
77 | .id = -1, | ||
78 | .dev = { | ||
79 | .platform_data = &d2net_led_data, | ||
80 | }, | ||
81 | }; | ||
82 | |||
83 | static void __init d2net_gpio_leds_init(void) | ||
84 | { | ||
85 | int err; | ||
86 | |||
87 | /* Configure register blink_ctrl to allow SATA activity LED blinking. */ | ||
88 | err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink"); | ||
89 | if (err == 0) { | ||
90 | err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1); | ||
91 | if (err) | ||
92 | gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL); | ||
93 | } | ||
94 | if (err) | ||
95 | pr_err("d2net: failed to configure blue LED blink GPIO\n"); | ||
96 | |||
97 | platform_device_register(&d2net_gpio_leds); | ||
98 | } | ||
99 | |||
100 | /***************************************************************************** | ||
101 | * General Setup | ||
102 | ****************************************************************************/ | ||
103 | |||
104 | void __init d2net_init(void) | ||
105 | { | ||
106 | d2net_gpio_leds_init(); | ||
107 | |||
108 | pr_notice("d2net: Flash write are not yet supported.\n"); | ||
109 | } | ||