target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c

   1 /*
   2  *  Allnet ALL0256N board support
   3  *
   4  *  Copyright (C) 2012 Daniel Golle <dgolle@allnet.de>
   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 ALL0256N_GPIO_BUTTON_RESET 0
  25 #define ALL0256N_GPIO_LED_RSSI_LOW 14
  26 #define ALL0256N_GPIO_LED_RSSI_MED 12
  27 #define ALL0256N_GPIO_LED_RSSI_HIGH 13
  28 #define ALL0256N_KEYS_POLL_INTERVAL 20
  29 #define ALL0256N_KEYS_DEBOUNCE_INTERVAL (3 * ALL0256N_KEYS_POLL_INTERVAL)
  30
  31 const struct flash_platform_data all0256n_flash = {
  32         .type           = "mx25l3205d",
  33 };
  34
  35 struct spi_board_info all0256n_spi_slave_info[] __initdata = {
  36         {
  37                 .modalias       = "m25p80",
  38                 .platform_data  = &all0256n_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 all0256n_gpio_buttons[] __initdata = {
  47         {
  48                 .desc           = "reset",
  49                 .type           = EV_KEY,
  50                 .code           = KEY_RESTART,
  51                 .debounce_interval = ALL0256N_KEYS_DEBOUNCE_INTERVAL,
  52                 .gpio           = ALL0256N_GPIO_BUTTON_RESET,
  53                 .active_low     = 1,
  54         }
  55 };
  56
  57 static struct gpio_led all0256n_leds_gpio[] __initdata = {
  58         {
  59                 .name           = "all0256n:green:rssilow",
  60                 .gpio           = ALL0256N_GPIO_LED_RSSI_LOW,
  61                 .active_low     = 1,
  62         }, {
  63                 .name           = "all0256n:green:rssimed",
  64                 .gpio           = ALL0256N_GPIO_LED_RSSI_MED,
  65                 .active_low     = 1,
  66         }, {
  67                 .name           = "all0256n:green:rssihigh",
  68                 .gpio           = ALL0256N_GPIO_LED_RSSI_HIGH,
  69                 .active_low     = 1,
  70         }
  71 };
  72
  73 static void __init all0256n_init(void)
  74 {
  75         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  76         rt305x_register_spi(all0256n_spi_slave_info,
  77                             ARRAY_SIZE(all0256n_spi_slave_info));
  78         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_NONE;
  79         rt305x_register_ethernet();
  80         ramips_register_gpio_leds(-1, ARRAY_SIZE(all0256n_leds_gpio),
  81                                   all0256n_leds_gpio);
  82         ramips_register_gpio_buttons(-1, ALL0256N_KEYS_POLL_INTERVAL,
  83                                      ARRAY_SIZE(all0256n_gpio_buttons),
  84                                      all0256n_gpio_buttons);
  85         rt305x_register_wifi();
  86         rt305x_register_wdt();
  87 }
  88
  89 MIPS_MACHINE(RAMIPS_MACH_ALL0256N, "ALL0256N", "Allnet ALL0256N",
  90              all0256n_init);