arch/mips/ath79/mach-ubnt-xm.c

   1 /*
   2  *  Ubiquiti Networks XM (rev 1.0) board support
   3  *
   4  *  Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
   5  *
   6  *  Derived from: mach-pb44.c
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License version 2 as published
  10  *  by the Free Software Foundation.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/pci.h>
  15
  16 #ifdef CONFIG_PCI
  17 #include <linux/ath9k_platform.h>
  18 #include <asm/mach-ath79/pci-ath724x.h>
  19 #endif /* CONFIG_PCI */
  20
  21 #include "machtypes.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24 #include "dev-spi.h"
  25
  26 #define UBNT_XM_GPIO_LED_L1             0
  27 #define UBNT_XM_GPIO_LED_L2             1
  28 #define UBNT_XM_GPIO_LED_L3             11
  29 #define UBNT_XM_GPIO_LED_L4             7
  30
  31 #define UBNT_XM_GPIO_BTN_RESET          12
  32
  33 #define UBNT_XM_KEYS_POLL_INTERVAL      20
  34 #define UBNT_XM_KEYS_DEBOUNCE_INTERVAL  (3 * UBNT_XM_KEYS_POLL_INTERVAL)
  35
  36 #define UBNT_XM_PCI_IRQ                 48
  37 #define UBNT_XM_EEPROM_ADDR             (u8 *) KSEG1ADDR(0x1fff1000)
  38
  39 static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
  40         {
  41                 .name           = "ubnt-xm:red:link1",
  42                 .gpio           = UBNT_XM_GPIO_LED_L1,
  43                 .active_low     = 0,
  44         }, {
  45                 .name           = "ubnt-xm:orange:link2",
  46                 .gpio           = UBNT_XM_GPIO_LED_L2,
  47                 .active_low     = 0,
  48         }, {
  49                 .name           = "ubnt-xm:green:link3",
  50                 .gpio           = UBNT_XM_GPIO_LED_L3,
  51                 .active_low     = 0,
  52         }, {
  53                 .name           = "ubnt-xm:green:link4",
  54                 .gpio           = UBNT_XM_GPIO_LED_L4,
  55                 .active_low     = 0,
  56         },
  57 };
  58
  59 static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
  60         {
  61                 .desc                   = "reset",
  62                 .type                   = EV_KEY,
  63                 .code                   = KEY_RESTART,
  64                 .debounce_interval      = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
  65                 .gpio                   = UBNT_XM_GPIO_BTN_RESET,
  66                 .active_low             = 1,
  67         }
  68 };
  69
  70 static struct spi_board_info ubnt_xm_spi_info[] = {
  71         {
  72                 .bus_num        = 0,
  73                 .chip_select    = 0,
  74                 .max_speed_hz   = 25000000,
  75                 .modalias       = "mx25l6405d",
  76         }
  77 };
  78
  79 static struct ath79_spi_platform_data ubnt_xm_spi_data = {
  80         .bus_num                = 0,
  81         .num_chipselect         = 1,
  82 };
  83
  84 #ifdef CONFIG_PCI
  85 static struct ath9k_platform_data ubnt_xm_eeprom_data;
  86
  87 static struct ath724x_pci_data ubnt_xm_pci_data[] = {
  88         {
  89                 .irq    = UBNT_XM_PCI_IRQ,
  90                 .pdata  = &ubnt_xm_eeprom_data,
  91         },
  92 };
  93 #endif /* CONFIG_PCI */
  94
  95 static void __init ubnt_xm_init(void)
  96 {
  97         ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
  98                                  ubnt_xm_leds_gpio);
  99
 100         ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
 101                                         ARRAY_SIZE(ubnt_xm_gpio_keys),
 102                                         ubnt_xm_gpio_keys);
 103
 104         ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
 105                            ARRAY_SIZE(ubnt_xm_spi_info));
 106
 107 #ifdef CONFIG_PCI
 108         memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
 109                sizeof(ubnt_xm_eeprom_data.eeprom_data));
 110
 111         ath724x_pci_add_data(ubnt_xm_pci_data, ARRAY_SIZE(ubnt_xm_pci_data));
 112 #endif /* CONFIG_PCI */
 113
 114 }
 115
 116 MIPS_MACHINE(ATH79_MACH_UBNT_XM,
 117              "UBNT-XM",
 118              "Ubiquiti Networks XM (rev 1.0) board",
 119              ubnt_xm_init);