target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c

   1 /*
   2  *  Netcore NW718 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/spi/spi.h>
  13
  14 #include <asm/mach-ralink/machine.h>
  15 #include <asm/mach-ralink/dev-gpio-buttons.h>
  16 #include <asm/mach-ralink/dev-gpio-leds.h>
  17 #include <asm/mach-ralink/rt305x.h>
  18 #include <asm/mach-ralink/rt305x_regs.h>
  19
  20 #include "devices.h"
  21
  22 #define NW718_GPIO_LED_USB              8
  23 #define NW718_GPIO_LED_CPU              13
  24 #define NW718_GPIO_LED_WPS              14
  25
  26 #define NW718_GPIO_BUTTON_WPS           0
  27 #define NW718_GPIO_BUTTON_RESET         10
  28
  29 #define NW718_GPIO_SPI_CS0              3
  30
  31 #define NW718_KEYS_POLL_INTERVAL        20
  32 #define NW718_KEYS_DEBOUNCE_INTERVAL    (3 * NW718_KEYS_POLL_INTERVAL)
  33
  34 static struct gpio_led nw718_leds_gpio[] __initdata = {
  35         {
  36                 .name           = "nw718:amber:cpu",
  37                 .gpio           = NW718_GPIO_LED_CPU,
  38                 .active_low     = 1,
  39         }, {
  40                 .name           = "nw718:amber:usb",
  41                 .gpio           = NW718_GPIO_LED_USB,
  42                 .active_low     = 1,
  43         }, {
  44                 .name           = "nw718:amber:wps",
  45                 .gpio           = NW718_GPIO_LED_WPS,
  46                 .active_low     = 1,
  47         }
  48 };
  49
  50 static struct gpio_keys_button nw718_gpio_buttons[] __initdata = {
  51         {
  52                 .desc           = "reset",
  53                 .type           = EV_KEY,
  54                 .code           = KEY_RESTART,
  55                 .debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
  56                 .gpio           = NW718_GPIO_BUTTON_RESET,
  57                 .active_low     = 1,
  58         }, {
  59                 .desc           = "wps",
  60                 .type           = EV_KEY,
  61                 .code           = KEY_WPS_BUTTON,
  62                 .debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
  63                 .gpio           = NW718_GPIO_BUTTON_WPS,
  64                 .active_low     = 1,
  65         }
  66 };
  67
  68 static struct spi_board_info nw718_spi_info[] = {
  69         {
  70                 .bus_num        = 0,
  71                 .chip_select    = 0,
  72                 .max_speed_hz   = 25000000,
  73                 .modalias       = "m25p80",
  74                 .controller_data = (void *) NW718_GPIO_SPI_CS0,
  75         }
  76 };
  77
  78 static void __init nw718_init(void)
  79 {
  80         rt305x_gpio_init(RT305X_GPIO_MODE_I2C |
  81                          RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  82
  83         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
  84         rt305x_register_ethernet();
  85         ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
  86                                   nw718_leds_gpio);
  87         ramips_register_gpio_buttons(-1, NW718_KEYS_POLL_INTERVAL,
  88                                      ARRAY_SIZE(nw718_gpio_buttons),
  89                                      nw718_gpio_buttons);
  90         rt305x_register_wifi();
  91         rt305x_register_wdt();
  92         rt305x_register_spi(nw718_spi_info, ARRAY_SIZE(nw718_spi_info));
  93         rt305x_register_usb();
  94 }
  95
  96 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "NW718", "Netcore NW718", nw718_init);