LXR linux/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#include <linux/ath9k_platform.h>
  16
  17#include <asm/mach-ath79/irq.h>
  18
  19#include "machtypes.h"
  20#include "dev-gpio-buttons.h"
  21#include "dev-leds-gpio.h"
  22#include "dev-spi.h"
  23#include "pci.h"
  24
  25#define UBNT_XM_GPIO_LED_L1             0
  26#define UBNT_XM_GPIO_LED_L2             1
  27#define UBNT_XM_GPIO_LED_L3             11
  28#define UBNT_XM_GPIO_LED_L4             7
  29
  30#define UBNT_XM_GPIO_BTN_RESET          12
  31
  32#define UBNT_XM_KEYS_POLL_INTERVAL      20
  33#define UBNT_XM_KEYS_DEBOUNCE_INTERVAL  (3 * UBNT_XM_KEYS_POLL_INTERVAL)
  34
  35#define UBNT_XM_EEPROM_ADDR             (u8 *) KSEG1ADDR(0x1fff1000)
  36
  37static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
  38        {
  39                .name           = "ubnt-xm:red:link1",
  40                .gpio           = UBNT_XM_GPIO_LED_L1,
  41                .active_low     = 0,
  42        }, {
  43                .name           = "ubnt-xm:orange:link2",
  44                .gpio           = UBNT_XM_GPIO_LED_L2,
  45                .active_low     = 0,
  46        }, {
  47                .name           = "ubnt-xm:green:link3",
  48                .gpio           = UBNT_XM_GPIO_LED_L3,
  49                .active_low     = 0,
  50        }, {
  51                .name           = "ubnt-xm:green:link4",
  52                .gpio           = UBNT_XM_GPIO_LED_L4,
  53                .active_low     = 0,
  54        },
  55};
  56
  57static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
  58        {
  59                .desc                   = "reset",
  60                .type                   = EV_KEY,
  61                .code                   = KEY_RESTART,
  62                .debounce_interval      = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
  63                .gpio                   = UBNT_XM_GPIO_BTN_RESET,
  64                .active_low             = 1,
  65        }
  66};
  67
  68static struct spi_board_info ubnt_xm_spi_info[] = {
  69        {
  70                .bus_num        = 0,
  71                .chip_select    = 0,
  72                .max_speed_hz   = 25000000,
  73                .modalias       = "mx25l6405d",
  74        }
  75};
  76
  77static struct ath79_spi_platform_data ubnt_xm_spi_data = {
  78        .bus_num                = 0,
  79        .num_chipselect         = 1,
  80};
  81
  82#ifdef CONFIG_PCI
  83static struct ath9k_platform_data ubnt_xm_eeprom_data;
  84
  85static int ubnt_xm_pci_plat_dev_init(struct pci_dev *dev)
  86{
  87        switch (PCI_SLOT(dev->devfn)) {
  88        case 0:
  89                dev->dev.platform_data = &ubnt_xm_eeprom_data;
  90                break;
  91        }
  92
  93        return 0;
  94}
  95
  96static void __init ubnt_xm_pci_init(void)
  97{
  98        memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
  99               sizeof(ubnt_xm_eeprom_data.eeprom_data));
 100
 101        ath79_pci_set_plat_dev_init(ubnt_xm_pci_plat_dev_init);
 102        ath79_register_pci();
 103}
 104#else
 105static inline void ubnt_xm_pci_init(void) {}
 106#endif /* CONFIG_PCI */
 107
 108static void __init ubnt_xm_init(void)
 109{
 110        ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
 111                                 ubnt_xm_leds_gpio);
 112
 113        ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
 114                                        ARRAY_SIZE(ubnt_xm_gpio_keys),
 115                                        ubnt_xm_gpio_keys);
 116
 117        ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
 118                           ARRAY_SIZE(ubnt_xm_spi_info));
 119
 120        ubnt_xm_pci_init();
 121}
 122
 123MIPS_MACHINE(ATH79_MACH_UBNT_XM,
 124             "UBNT-XM",
 125             "Ubiquiti Networks XM (rev 1.0) board",
 126             ubnt_xm_init);
 127