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21c854dc AJ |
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) 2007 Aurelien Jarno <aurelien@aurel32.net> | |
7 | */ | |
8 | ||
9 | #include <linux/platform_device.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/leds.h> | |
12 | #include <linux/ssb/ssb.h> | |
13 | #include <asm/mach-bcm47xx/bcm47xx.h> | |
14 | ||
15 | /* GPIO definitions for the WGT634U */ | |
16 | #define WGT634U_GPIO_LED 3 | |
17 | #define WGT634U_GPIO_RESET 2 | |
18 | #define WGT634U_GPIO_TP1 7 | |
19 | #define WGT634U_GPIO_TP2 6 | |
20 | #define WGT634U_GPIO_TP3 5 | |
21 | #define WGT634U_GPIO_TP4 4 | |
22 | #define WGT634U_GPIO_TP5 1 | |
23 | ||
24 | static struct gpio_led wgt634u_leds[] = { | |
25 | { | |
26 | .name = "power", | |
27 | .gpio = WGT634U_GPIO_LED, | |
28 | .active_low = 1, | |
29 | .default_trigger = "heartbeat", | |
30 | }, | |
31 | }; | |
32 | ||
33 | static struct gpio_led_platform_data wgt634u_led_data = { | |
34 | .num_leds = ARRAY_SIZE(wgt634u_leds), | |
35 | .leds = wgt634u_leds, | |
36 | }; | |
37 | ||
38 | static struct platform_device wgt634u_gpio_leds = { | |
39 | .name = "leds-gpio", | |
40 | .id = -1, | |
41 | .dev = { | |
42 | .platform_data = &wgt634u_led_data, | |
43 | } | |
44 | }; | |
45 | ||
46 | static int __init wgt634u_init(void) | |
47 | { | |
48 | /* There is no easy way to detect that we are running on a WGT634U | |
49 | * machine. Use the MAC address as an heuristic. Netgear Inc. has | |
50 | * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx. | |
51 | */ | |
52 | ||
53 | u8 *et0mac = ssb_bcm47xx.sprom.r1.et0mac; | |
54 | ||
55 | if (et0mac[0] == 0x00 && | |
56 | ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) || | |
57 | (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) | |
58 | return platform_device_register(&wgt634u_gpio_leds); | |
59 | else | |
60 | return -ENODEV; | |
61 | } | |
62 | ||
63 | module_init(wgt634u_init); | |
64 |