target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wl-330n.c

   1 /*
   2  *  Asus WL_330N board support
   3  *
   4  *  Copyright (C) 2012 Frederic Leroy <fredo@starox.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/spi/spi.h>
  14 #include <linux/spi/flash.h>
  15
  16 #include <asm/mach-ralink/machine.h>
  17 #include <asm/mach-ralink/dev-gpio-buttons.h>
  18 #include <asm/mach-ralink/dev-gpio-leds.h>
  19 #include <asm/mach-ralink/rt305x.h>
  20 #include <asm/mach-ralink/rt305x_regs.h>
  21
  22 #include "devices.h"
  23
  24 #define WL_330N_GPIO_BUTTON_RESET 10
  25 #define WL_330N_GPIO_BUTTON_WPS 0
  26 #define WL_330N_GPIO_LED_LINK 9
  27 #define WL_330N_GPIO_LED_POWER 11
  28 #define WL_330N_KEYS_POLL_INTERVAL 20
  29 #define WL_330N_KEYS_DEBOUNCE_INTERVAL  (3 * WL_330N_KEYS_POLL_INTERVAL)
  30
  31 const struct flash_platform_data wl_330n_flash = {
  32         .type           = "mx25l3205d",
  33 };
  34
  35 struct spi_board_info wl_330n_spi_slave_info[] __initdata = {
  36         {
  37                 .modalias       = "m25p80",
  38                 .platform_data  = &wl_330n_flash,
  39                 .irq            = -1,
  40                 .max_speed_hz   = 10000000,
  41                 .bus_num        = 0,
  42                 .chip_select    = 0,
  43         },
  44 };
  45
  46 static struct gpio_keys_button wl_330n_gpio_buttons[] __initdata = {
  47         {
  48                 .desc           = "reset",
  49                 .type           = EV_KEY,
  50                 .code           = KEY_RESTART,
  51                 .debounce_interval = WL_330N_KEYS_DEBOUNCE_INTERVAL,
  52                 .gpio           = WL_330N_GPIO_BUTTON_RESET,
  53                 .active_low     = 1,
  54         },
  55         {
  56                 .desc           = "wps",
  57                 .type           = EV_KEY,
  58                 .code           = KEY_RESTART,
  59                 .debounce_interval = WL_330N_KEYS_DEBOUNCE_INTERVAL,
  60                 .gpio           = WL_330N_GPIO_BUTTON_WPS,
  61                 .active_low     = 1,
  62         }
  63 };
  64
  65 static struct gpio_led wl_330n_leds_gpio[] __initdata = {
  66         {
  67                 .name           = "asus:blue:link",
  68                 .gpio           = WL_330N_GPIO_LED_LINK,
  69                 .active_low     = 1,
  70         }, {
  71                 .name           = "asus:blue:power",
  72                 .gpio           = WL_330N_GPIO_LED_POWER,
  73                 .active_low     = 1,
  74         }
  75 };
  76
  77 static void __init wl_330n_init(void)
  78 {
  79         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  80         rt305x_register_spi(wl_330n_spi_slave_info,
  81                             ARRAY_SIZE(wl_330n_spi_slave_info));
  82         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
  83         rt305x_register_ethernet();
  84         ramips_register_gpio_leds(-1, ARRAY_SIZE(wl_330n_leds_gpio),
  85                                   wl_330n_leds_gpio);
  86         ramips_register_gpio_buttons(-1, WL_330N_KEYS_POLL_INTERVAL,
  87                                      ARRAY_SIZE(wl_330n_gpio_buttons),
  88                                      wl_330n_gpio_buttons);
  89         rt305x_register_wifi();
  90         rt305x_register_wdt();
  91 }
  92
  93 MIPS_MACHINE(RAMIPS_MACH_WL_330N, "WL_330N", "Asus WL-330N",
  94              wl_330n_init);