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 #endif /* CONFIG_PCI */
  19
  20 #include <asm/mach-ath79/irq.h>
  21
  22 #include "machtypes.h"
  23 #include "dev-gpio-buttons.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-spi.h"
  26 #include "pci.h"
  27
  28 #define UBNT_XM_GPIO_LED_L1             0
  29 #define UBNT_XM_GPIO_LED_L2             1
  30 #define UBNT_XM_GPIO_LED_L3             11
  31 #define UBNT_XM_GPIO_LED_L4             7
  32
  33 #define UBNT_XM_GPIO_BTN_RESET          12
  34
  35 #define UBNT_XM_KEYS_POLL_INTERVAL      20
  36 #define UBNT_XM_KEYS_DEBOUNCE_INTERVAL  (3 * UBNT_XM_KEYS_POLL_INTERVAL)
  37
  38 #define UBNT_XM_EEPROM_ADDR             (u8 *) KSEG1ADDR(0x1fff1000)
  39
  40 static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
  41         {
  42                 .name           = "ubnt-xm:red:link1",
  43                 .gpio           = UBNT_XM_GPIO_LED_L1,
  44                 .active_low     = 0,
  45         }, {
  46                 .name           = "ubnt-xm:orange:link2",
  47                 .gpio           = UBNT_XM_GPIO_LED_L2,
  48                 .active_low     = 0,
  49         }, {
  50                 .name           = "ubnt-xm:green:link3",
  51                 .gpio           = UBNT_XM_GPIO_LED_L3,
  52                 .active_low     = 0,
  53         }, {
  54                 .name           = "ubnt-xm:green:link4",
  55                 .gpio           = UBNT_XM_GPIO_LED_L4,
  56                 .active_low     = 0,
  57         },
  58 };
  59
  60 static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
  61         {
  62                 .desc                   = "reset",
  63                 .type                   = EV_KEY,
  64                 .code                   = KEY_RESTART,
  65                 .debounce_interval      = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
  66                 .gpio                   = UBNT_XM_GPIO_BTN_RESET,
  67                 .active_low             = 1,
  68         }
  69 };
  70
  71 static struct spi_board_info ubnt_xm_spi_info[] = {
  72         {
  73                 .bus_num        = 0,
  74                 .chip_select    = 0,
  75                 .max_speed_hz   = 25000000,
  76                 .modalias       = "mx25l6405d",
  77         }
  78 };
  79
  80 static struct ath79_spi_platform_data ubnt_xm_spi_data = {
  81         .bus_num                = 0,
  82         .num_chipselect         = 1,
  83 };
  84
  85 #ifdef CONFIG_PCI
  86 static struct ath9k_platform_data ubnt_xm_eeprom_data;
  87
  88 static struct ar724x_pci_data ubnt_xm_pci_data[] = {
  89         {
  90                 .irq    = ATH79_PCI_IRQ(0),
  91                 .pdata  = &ubnt_xm_eeprom_data,
  92         },
  93 };
  94 #endif /* CONFIG_PCI */
  95
  96 static void __init ubnt_xm_init(void)
  97 {
  98         ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
  99                                  ubnt_xm_leds_gpio);
 100
 101         ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
 102                                         ARRAY_SIZE(ubnt_xm_gpio_keys),
 103                                         ubnt_xm_gpio_keys);
 104
 105         ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
 106                            ARRAY_SIZE(ubnt_xm_spi_info));
 107
 108 #ifdef CONFIG_PCI
 109         memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
 110                sizeof(ubnt_xm_eeprom_data.eeprom_data));
 111
 112         ar724x_pci_add_data(ubnt_xm_pci_data, ARRAY_SIZE(ubnt_xm_pci_data));
 113 #endif /* CONFIG_PCI */
 114
 115         ath79_register_pci();
 116 }
 117
 118 MIPS_MACHINE(ATH79_MACH_UBNT_XM,
 119              "UBNT-XM",
 120              "Ubiquiti Networks XM (rev 1.0) board",
 121              ubnt_xm_init);