ramips: use gpio-keys-polled instead of gpio-buttons
[librecmc/librecmc.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / mach-nbg-419n.c
1 /*
2  *  ZyXEL NBG-419N board support
3  *
4  *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
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 NBG_419N_GPIO_LED_POWER         9
26 #define NBG_419N_GPIO_LED_WPS           14
27
28 #define NBG_419N_GPIO_BUTTON_WPS        0       /* active low */
29 #define NBG_419N_GPIO_BUTTON_RESET      10      /* active low */
30
31 #define NBG_419N_KEYS_POLL_INTERVAL     20
32 #define NBG_419N_KEYS_DEBOUNCE_INTERVAL (3 * NBG_419N_KEYS_POLL_INTERVAL)
33
34 static struct mtd_partition nbg_419n_partitions[] = {
35         {
36                 .name   = "u-boot",
37                 .offset = 0,
38                 .size   = 0x030000,
39                 .mask_flags = MTD_WRITEABLE,
40         }, {
41                 .name   = "config",
42                 .offset = 0x030000,
43                 .size   = 0x010000,
44                 .mask_flags = MTD_WRITEABLE,
45         }, {
46                 .name   = "factory",
47                 .offset = 0x040000,
48                 .size   = 0x010000,
49                 .mask_flags = MTD_WRITEABLE,
50         }, {
51                 .name   = "kernel",
52                 .offset = 0x050000,
53                 .size   = 0x3b0000,
54         }
55 };
56
57 static struct physmap_flash_data nbg_419n_flash_data = {
58         .nr_parts       = ARRAY_SIZE(nbg_419n_partitions),
59         .parts          = nbg_419n_partitions,
60 };
61
62 static struct gpio_led nbg_419n_leds_gpio[] __initdata = {
63         {
64                 .name           = "nbg-419n:green:power",
65                 .gpio           = NBG_419N_GPIO_LED_POWER,
66                 .active_low     = 1,
67         }, {
68                 .name           = "nbg-419n:green:wps",
69                 .gpio           = NBG_419N_GPIO_LED_WPS,
70                 .active_low     = 1,
71         }
72 };
73
74 static struct gpio_keys_button nbg_419n_gpio_buttons[] __initdata = {
75         {
76                 .desc           = "reset",
77                 .type           = EV_KEY,
78                 .code           = KEY_RESTART,
79                 .debounce_interval = NBG_419N_KEYS_DEBOUNCE_INTERVAL,
80                 .gpio           = NBG_419N_GPIO_BUTTON_RESET,
81                 .active_low     = 1,
82         }, {
83                 .desc           = "wps",
84                 .type           = EV_KEY,
85                 .code           = KEY_WPS_BUTTON,
86                 .debounce_interval = NBG_419N_KEYS_DEBOUNCE_INTERVAL,
87                 .gpio           = NBG_419N_GPIO_BUTTON_WPS,
88                 .active_low     = 1,
89         }
90 };
91
92 static void __init nbg_419n_init(void)
93 {
94         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
95
96         rt305x_register_flash(0, &nbg_419n_flash_data);
97         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
98         rt305x_register_ethernet();
99         ramips_register_gpio_leds(-1, ARRAY_SIZE(nbg_419n_leds_gpio),
100                                   nbg_419n_leds_gpio);
101         ramips_register_gpio_buttons(-1, NBG_419N_KEYS_POLL_INTERVAL,
102                                      ARRAY_SIZE(nbg_419n_gpio_buttons),
103                                      nbg_419n_gpio_buttons);
104         rt305x_register_wifi();
105         rt305x_register_wdt();
106 }
107
108 MIPS_MACHINE(RAMIPS_MACH_NBG_419N, "NBG-419N", "ZyXEL NBG-419N", nbg_419n_init);