ar71xx: add initial support for the Atheros DB120 board
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-db120.c
1 /*
2 * Atheros DB120 board (WASP SoC) support
3 *
4 * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13
14 #include <asm/mach-ar71xx/ar71xx.h>
15
16 #include "machtype.h"
17 #include "devices.h"
18 #include "dev-m25p80.h"
19 #include "dev-gpio-buttons.h"
20 #include "dev-leds-gpio.h"
21 #include "dev-usb.h"
22
23 #define DB120_GPIO_LED_USB 11
24 #define DB120_GPIO_LED_WLAN_5G 12
25 #define DB120_GPIO_LED_WLAN_2G 13
26 #define DB120_GPIO_LED_STATUS 14
27 #define DB120_GPIO_LED_WPS 15
28
29 #define DB120_GPIO_BTN_SW1 16
30
31 #define DB120_BUTTONS_POLL_INTERVAL 20
32
33 #ifdef CONFIG_MTD_PARTITIONS
34 static struct mtd_partition db120_partitions[] = {
35 {
36 .name = "u-boot",
37 .offset = 0,
38 .size = 0x040000,
39 .mask_flags = MTD_WRITEABLE,
40 }, {
41 .name = "u-boot-env",
42 .offset = 0x040000,
43 .size = 0x010000,
44 }, {
45 .name = "rootfs",
46 .offset = 0x050000,
47 .size = 0x630000,
48 }, {
49 .name = "uImage",
50 .offset = 0x680000,
51 .size = 0x160000,
52 }, {
53 .name = "NVRAM",
54 .offset = 0x7E0000,
55 .size = 0x010000,
56 }, {
57 .name = "ART",
58 .offset = 0x7F0000,
59 .size = 0x010000,
60 .mask_flags = MTD_WRITEABLE,
61 }
62 };
63 #endif /* CONFIG_MTD_PARTITIONS */
64
65 static struct flash_platform_data db120_flash_data = {
66 #ifdef CONFIG_MTD_PARTITIONS
67 .parts = db120_partitions,
68 .nr_parts = ARRAY_SIZE(db120_partitions),
69 #endif
70 };
71
72 static struct gpio_led db120_leds_gpio[] __initdata = {
73 {
74 .name = "db120:green:status",
75 .gpio = DB120_GPIO_LED_STATUS,
76 .active_low = 1,
77 }, {
78 .name = "db120:green:wps",
79 .gpio = DB120_GPIO_LED_WPS,
80 .active_low = 1,
81 }, {
82 .name = "db120:green:wlan-5g",
83 .gpio = DB120_GPIO_LED_WLAN_5G,
84 .active_low = 1,
85 }, {
86 .name = "db120:green:wlan-2g",
87 .gpio = DB120_GPIO_LED_WLAN_2G,
88 .active_low = 1,
89 }, {
90 .name = "db120:green:usb",
91 .gpio = DB120_GPIO_LED_USB,
92 .active_low = 1,
93 }
94 };
95
96 static struct gpio_button db120_gpio_buttons[] __initdata = {
97 {
98 .desc = "sw1",
99 .type = EV_KEY,
100 .code = BTN_0,
101 .threshold = 3,
102 .gpio = DB120_GPIO_BTN_SW1,
103 .active_low = 1,
104 }
105 };
106
107 static void __init db120_setup(void)
108 {
109 ar71xx_add_device_usb();
110
111 ar71xx_add_device_m25p80(&db120_flash_data);
112
113 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
114 db120_leds_gpio);
115
116 ar71xx_add_device_gpio_buttons(-1, DB120_BUTTONS_POLL_INTERVAL,
117 ARRAY_SIZE(db120_gpio_buttons),
118 db120_gpio_buttons);
119 }
120
121 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);