target/linux/ramips/files-3.7/arch/mips/ralink/rt305x/mach-wr6202.c

   1 /*
   2  *  AWB WR6202 board support
   3  *
   4  *  Copyright (C) 2012 Johnathan Boyce<jon.boyce@globalreach.eu.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/gpio.h>
  14
  15 #include<asm/mach-ralink/machine.h>
  16 #include<asm/mach-ralink/dev-gpio-buttons.h>
  17 #include<asm/mach-ralink/dev-gpio-leds.h>
  18 #include<asm/mach-ralink/rt305x.h>
  19 #include<asm/mach-ralink/rt305x_regs.h>
  20
  21 #include "devices.h"
  22
  23 #define WR6202_GPIO_BUTTON_RESET     10        /* active low */
  24 #define WR6202_GPIO_BUTTON_WPS        0        /* active low */
  25
  26 #define WR6202_KEYS_POLL_INTERVAL 20
  27 #define WR6202_KEYS_DEBOUNCE_INTERVAL   (3 * WR6202_KEYS_POLL_INTERVAL)
  28
  29 #define WR6202_GPIO_USB_POWER        11
  30
  31 #define WR6202_GPIO_LED_3G           13
  32 #define WR6202_GPIO_LED_WPS          14
  33
  34 static struct gpio_led wr6202_leds_gpio[] __initdata = {
  35         {
  36                 .name           = "wr6202:blue:wps",
  37                 .gpio           = WR6202_GPIO_LED_WPS,
  38                 .active_low     = 1,
  39         }, {
  40                 .name           = "wr6202:blue:3g",
  41                 .gpio           = WR6202_GPIO_LED_3G,
  42                 .active_low     = 1,
  43         }
  44 };
  45
  46 static struct gpio_keys_button wr6202_gpio_buttons[] __initdata = {
  47         {
  48                 .desc           = "reset",
  49                 .type           = EV_KEY,
  50                 .code           = KEY_RESTART,
  51                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  52                 .gpio           = WR6202_GPIO_BUTTON_RESET,
  53                 .active_low     = 1,
  54         }, {
  55                 .desc           = "wps",
  56                 .type           = EV_KEY,
  57                 .code           = KEY_WPS_BUTTON,
  58                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  59                 .gpio           = WR6202_GPIO_BUTTON_WPS,
  60                 .active_low     = 1,
  61         }
  62 };
  63
  64 static void __init wr6202_init(void)
  65 {
  66         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
  67
  68         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  69
  70         ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
  71                                 wr6202_leds_gpio);
  72         ramips_register_gpio_buttons(-1, WR6202_KEYS_POLL_INTERVAL,
  73                                 ARRAY_SIZE(wr6202_gpio_buttons),
  74                                 wr6202_gpio_buttons);
  75
  76         /* Power to the USB port is controlled by GPIO line */
  77         gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
  78         gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
  79         gpio_free(WR6202_GPIO_USB_POWER);
  80
  81         rt305x_register_flash(0);
  82
  83         rt305x_register_ethernet();
  84         rt305x_register_wifi();
  85         rt305x_register_wdt();
  86         rt305x_register_usb();
  87 }
  88
  89 MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
  90              wr6202_init);