ramips: use gpio-keys-polled instead of gpio-buttons
[librecmc/librecmc.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / mach-hw550-3g.c
1 /*
2  *  Aztech HW550-3G board support
3  *
4  *  Copyright (C) 2011 Layne Edwards <ledwards76@gmail.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/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/mtd/physmap.h>
16
17 #include <asm/mach-ralink/machine.h>
18 #include <asm/mach-ralink/dev-gpio-buttons.h>
19 #include <asm/mach-ralink/dev-gpio-leds.h>
20 #include <asm/mach-ralink/rt305x.h>
21 #include <asm/mach-ralink/rt305x_regs.h>
22
23 #include "devices.h"
24
25 #define HW550_3G_GPIO_LED_USB           8
26 #define HW550_3G_GPIO_LED_3G            11
27 #define HW550_3G_GPIO_LED_STATUS        12
28 #define HW550_3G_GPIO_LED_WPS           14
29
30 #define HW550_3G_GPIO_BUTTON_RESET      10
31 #define HW550_3G_GPIO_BUTTON_CONNECT    7
32 #define HW550_3G_GPIO_BUTTON_WPS        0
33
34 #define HW550_3G_KEYS_POLL_INTERVAL     20
35 #define HW550_3G_KEYS_DEBOUNCE_INTERVAL (3 * HW550_3G_KEYS_POLL_INTERVAL)
36
37 static struct mtd_partition hw550_3g_partitions[] = {
38         {
39                 .name   = "u-boot",
40                 .offset = 0,
41                 .size   = 0x030000,
42                 .mask_flags = MTD_WRITEABLE,
43         }, {
44                 .name   = "config",
45                 .offset = 0x030000,
46                 .size   = 0x010000,
47                 .mask_flags = MTD_WRITEABLE,
48         }, {
49                 .name   = "factory",
50                 .offset = 0x040000,
51                 .size   = 0x010000,
52                 .mask_flags = MTD_WRITEABLE,
53         }, {
54                 .name   = "kernel",
55                 .offset = 0x050000,
56                 .size   = 0x0d0000,
57         }, {
58                 .name   = "rootfs",
59                 .offset = 0x120000,
60                 .size   = 0x6e0000,
61         }, {
62                 .name   = "firmware",
63                 .offset = 0x050000,
64                 .size   = 0x7b0000,
65         }
66 };
67
68 static struct physmap_flash_data hw550_3g_flash_data = {
69         .nr_parts       = ARRAY_SIZE(hw550_3g_partitions),
70         .parts          = hw550_3g_partitions,
71 };
72
73 static struct gpio_led hw550_3g_leds_gpio[] __initdata = {
74         {
75                 .name           = "hw550-3g:green:usb",
76                 .gpio           = HW550_3G_GPIO_LED_USB,
77                 .active_low     = 1,
78         }, {
79                 .name           = "hw550-3g:green:3g",
80                 .gpio           = HW550_3G_GPIO_LED_3G,
81                 .active_low     = 1,
82         }, {
83                 .name           = "hw550-3g:green:status",
84                 .gpio           = HW550_3G_GPIO_LED_STATUS,
85                 .active_low     = 1,
86         }, {
87                 .name           = "hw550-3g:green:wps",
88                 .gpio           = HW550_3G_GPIO_LED_WPS,
89                 .active_low     = 1,
90         }
91 };
92
93 static struct gpio_keys_button hw550_3g_gpio_buttons[] __initdata = {
94         {
95                 .desc           = "reset",
96                 .type           = EV_KEY,
97                 .code           = KEY_RESTART,
98                 .debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
99                 .gpio           = HW550_3G_GPIO_BUTTON_RESET,
100                 .active_low     = 1,
101         }, {
102                 .desc           = "connect",
103                 .type           = EV_KEY,
104                 .code           = KEY_CONNECT,
105                 .debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
106                 .gpio           = HW550_3G_GPIO_BUTTON_CONNECT,
107                 .active_low     = 1,
108         }, {
109                 .desc           = "wps",
110                 .type           = EV_KEY,
111                 .code           = KEY_WPS_BUTTON,
112                 .debounce_interval = HW550_3G_KEYS_DEBOUNCE_INTERVAL,
113                 .gpio           = HW550_3G_GPIO_BUTTON_WPS,
114                 .active_low     = 1,
115         }
116 };
117
118 #define HW550_3G_GPIO_MODE \
119         ((RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT) | \
120          RT305X_GPIO_MODE_MDIO)
121
122 static void __init hw550_3g_init(void)
123 {
124         rt305x_gpio_init(HW550_3G_GPIO_MODE);
125
126         rt305x_register_flash(0, &hw550_3g_flash_data);
127        rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
128         rt305x_register_ethernet();
129         ramips_register_gpio_leds(-1, ARRAY_SIZE(hw550_3g_leds_gpio),
130                                   hw550_3g_leds_gpio);
131         ramips_register_gpio_buttons(-1, HW550_3G_KEYS_POLL_INTERVAL,
132                                      ARRAY_SIZE(hw550_3g_gpio_buttons),
133                                      hw550_3g_gpio_buttons);
134         rt305x_register_wifi();
135         rt305x_register_wdt();
136         rt305x_register_usb();
137 }
138
139 MIPS_MACHINE(RAMIPS_MACH_HW550_3G, "HW550-3G", "Aztech HW550-3G",
140              hw550_3g_init);