ramips: use gpio-keys-polled instead of gpio-buttons
[librecmc/librecmc.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / mach-pwh2004.c
1 /*
2  *  Prolink PWH2004 support (or Abocom WR5205)
3  *
4  *  Copyright (C) 2010 Esa Hyytia <esa@netlab.tkk.fi>
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 PWH2004_GPIO_BUTTON_WPS         12
26 #define PWH2004_GPIO_LED_POWER          9
27 #define PWH2004_GPIO_LED_WIFI           14
28 #define PWH2004_KEYS_POLL_INTERVAL      20
29 #define PWH2004_KEYS_DEBOUNCE_INTERVAL  (3 * PWH2004_KEYS_POLL_INTERVAL)
30
31 static struct mtd_partition pwh2004_partitions[] = {
32         {
33                 .name   = "u-boot",
34                 .offset = 0,
35                 .size   = 0x030000,
36                 .mask_flags = MTD_WRITEABLE,
37         }, {
38                 .name   = "config",
39                 .offset = 0x030000,
40                 .size   = 0x010000,
41                 .mask_flags = MTD_WRITEABLE,
42         }, {
43                 .name   = "factory",
44                 .offset = 0x040000,
45                 .size   = 0x010000,
46                 .mask_flags = MTD_WRITEABLE,
47         }, {
48                 .name   = "kernel",
49                 .offset = 0x050000,
50                 .size   = 0x7b0000,
51         }, {
52                 .name   = "firmware",
53                 .offset = 0x050000,
54                 .size   = 0x7b0000,
55         }
56 };
57
58 static struct physmap_flash_data pwh2004_flash_data = {
59         .nr_parts       = ARRAY_SIZE(pwh2004_partitions),
60         .parts          = pwh2004_partitions,
61 };
62
63 static struct gpio_led pwh2004_leds_gpio[] __initdata = {
64         {
65                 .name           = "pwh2004:red:wifi",
66                 .gpio           = PWH2004_GPIO_LED_WIFI,
67                 .active_low     = 1,
68         }, {
69                 .name           = "pwh2004:green:power",
70                 .gpio           = PWH2004_GPIO_LED_POWER,
71                 .active_low     = 1,
72         }
73 };
74
75 static struct gpio_keys_button pwh2004_gpio_buttons[] __initdata = {
76         {
77                 .desc           = "wps",
78                 .type           = EV_KEY,
79                 .code           = KEY_RESTART,
80                 .debounce_interval = PWH2004_KEYS_DEBOUNCE_INTERVAL,
81                 .gpio           = PWH2004_GPIO_BUTTON_WPS,
82                 .active_low     = 1,
83         }
84 };
85
86 static void __init pwh2004_init(void)
87 {
88         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
89         rt305x_register_flash(0, &pwh2004_flash_data);
90         ramips_register_gpio_leds(-1, ARRAY_SIZE(pwh2004_leds_gpio),
91                                   pwh2004_leds_gpio);
92         ramips_register_gpio_buttons(-1, PWH2004_KEYS_POLL_INTERVAL,
93                                      ARRAY_SIZE(pwh2004_gpio_buttons),
94                                      pwh2004_gpio_buttons);
95         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
96         rt305x_register_ethernet();
97         rt305x_register_wifi();
98         rt305x_register_wdt();
99 }
100
101 MIPS_MACHINE(RAMIPS_MACH_PWH2004, "PWH2004", "Prolink PWH2004",
102              pwh2004_init);