2 * ALFA Networks W502U board support
4 * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
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.
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>
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>
25 #define W502U_GPIO_LED_USB 13
26 #define W502U_GPIO_LED_WPS 14
28 #define W502U_GPIO_BUTTON_WPS 0
29 #define W502U_GPIO_BUTTON_RESET 10
31 #define W502U_KEYS_POLL_INTERVAL 20
32 #define W502U_KEYS_DEBOUNCE_INTERVAL (3 * W502U_KEYS_POLL_INTERVAL)
34 static struct mtd_partition w502u_partitions[] = {
39 .mask_flags = MTD_WRITEABLE,
44 .mask_flags = MTD_WRITEABLE,
49 .mask_flags = MTD_WRITEABLE,
62 .mask_flags = MTD_WRITEABLE,
70 static struct physmap_flash_data w502u_flash_data = {
71 .nr_parts = ARRAY_SIZE(w502u_partitions),
72 .parts = w502u_partitions,
75 static struct gpio_led w502u_leds_gpio[] __initdata = {
77 .name = "alfa:blue:usb",
78 .gpio = W502U_GPIO_LED_USB,
82 .name = "alfa:blue:wps",
83 .gpio = W502U_GPIO_LED_WPS,
88 static struct gpio_keys_button w502u_gpio_buttons[] __initdata = {
90 .desc = "Reset button",
93 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
94 .gpio = W502U_GPIO_BUTTON_RESET,
100 .code = KEY_WPS_BUTTON,
101 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
102 .gpio = W502U_GPIO_BUTTON_WPS,
107 static void __init w502u_init(void)
109 rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
110 RT305X_GPIO_MODE_UART0_SHIFT));
112 rt305x_register_flash(0, &w502u_flash_data);
113 rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
114 rt305x_register_ethernet();
115 ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
117 ramips_register_gpio_buttons(-1, W502U_KEYS_POLL_INTERVAL,
118 ARRAY_SIZE(w502u_gpio_buttons),
120 rt305x_register_wifi();
121 rt305x_register_wdt();
122 rt305x_register_usb();
125 MIPS_MACHINE(RAMIPS_MACH_W502U, "W502U", "ALFA Networks W502U",