Aurelien Jarno | 21c854d | 2007-09-25 15:43:07 +0200 | [diff] [blame] | 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 | |