target/linux/ar71xx/files-3.2/arch/mips/ath79/mach-tl-mr3x20.c

   1 /*
   2  *  TP-LINK TL-MR3220/3420 board support
   3  *
   4  *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.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/gpio.h>
  12
  13 #include <asm/mach-ath79/ath79.h>
  14
  15 #include "dev-eth.h"
  16 #include "dev-ap9x-pci.h"
  17 #include "dev-gpio-buttons.h"
  18 #include "dev-leds-gpio.h"
  19 #include "dev-m25p80.h"
  20 #include "dev-usb.h"
  21 #include "machtypes.h"
  22
  23 #define TL_MR3X20_GPIO_LED_QSS          0
  24 #define TL_MR3X20_GPIO_LED_SYSTEM       1
  25 #define TL_MR3X20_GPIO_LED_3G           8
  26
  27 #define TL_MR3X20_GPIO_BTN_RESET        11
  28 #define TL_MR3X20_GPIO_BTN_QSS          12
  29
  30 #define TL_MR3X20_GPIO_USB_POWER        6
  31
  32 #define TL_MR3X20_KEYS_POLL_INTERVAL    20      /* msecs */
  33 #define TL_MR3X20_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR3X20_KEYS_POLL_INTERVAL)
  34
  35 static const char *tl_mr3x20_part_probes[] = {
  36         "tp-link",
  37         NULL,
  38 };
  39
  40 static struct flash_platform_data tl_mr3x20_flash_data = {
  41         .part_probes    = tl_mr3x20_part_probes,
  42 };
  43
  44 static struct gpio_led tl_mr3x20_leds_gpio[] __initdata = {
  45         {
  46                 .name           = "tp-link:green:system",
  47                 .gpio           = TL_MR3X20_GPIO_LED_SYSTEM,
  48                 .active_low     = 1,
  49         }, {
  50                 .name           = "tp-link:green:qss",
  51                 .gpio           = TL_MR3X20_GPIO_LED_QSS,
  52                 .active_low     = 1,
  53         }, {
  54                 .name           = "tp-link:green:3g",
  55                 .gpio           = TL_MR3X20_GPIO_LED_3G,
  56                 .active_low     = 1,
  57         }
  58 };
  59
  60 static struct gpio_keys_button tl_mr3x20_gpio_keys[] __initdata = {
  61         {
  62                 .desc           = "reset",
  63                 .type           = EV_KEY,
  64                 .code           = KEY_RESTART,
  65                 .debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
  66                 .gpio           = TL_MR3X20_GPIO_BTN_RESET,
  67                 .active_low     = 1,
  68         }, {
  69                 .desc           = "qss",
  70                 .type           = EV_KEY,
  71                 .code           = KEY_WPS_BUTTON,
  72                 .debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
  73                 .gpio           = TL_MR3X20_GPIO_BTN_QSS,
  74                 .active_low     = 1,
  75         }
  76 };
  77
  78 static void __init tl_ap99_setup(void)
  79 {
  80         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  81         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  82
  83         ath79_register_m25p80(&tl_mr3x20_flash_data);
  84
  85         ath79_register_gpio_keys_polled(-1, TL_MR3X20_KEYS_POLL_INTERVAL,
  86                                          ARRAY_SIZE(tl_mr3x20_gpio_keys),
  87                                          tl_mr3x20_gpio_keys);
  88
  89         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
  90         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
  91
  92         ath79_register_mdio(0, 0x0);
  93
  94         /* LAN ports */
  95         ath79_register_eth(1);
  96         /* WAN port */
  97         ath79_register_eth(0);
  98
  99         ap91_pci_init(ee, mac);
 100 }
 101
 102 static void __init tl_mr3x20_usb_setup(void)
 103 {
 104         /* enable power for the USB port */
 105         gpio_request(TL_MR3X20_GPIO_USB_POWER, "USB power");
 106         gpio_direction_output(TL_MR3X20_GPIO_USB_POWER, 1);
 107
 108         ath79_register_usb();
 109 }
 110
 111 static void __init tl_mr3220_setup(void)
 112 {
 113         tl_ap99_setup();
 114
 115         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio),
 116                                  tl_mr3x20_leds_gpio);
 117         ap9x_pci_setup_wmac_led_pin(0, 1);
 118         tl_mr3x20_usb_setup();
 119 }
 120
 121 MIPS_MACHINE(ATH79_MACH_TL_MR3220, "TL-MR3220", "TP-LINK TL-MR3220",
 122              tl_mr3220_setup);
 123
 124 static void __init tl_mr3420_setup(void)
 125 {
 126         tl_ap99_setup();
 127
 128         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio),
 129                                  tl_mr3x20_leds_gpio);
 130         ap9x_pci_setup_wmac_led_pin(0, 0);
 131         tl_mr3x20_usb_setup();
 132 }
 133
 134 MIPS_MACHINE(ATH79_MACH_TL_MR3420, "TL-MR3420", "TP-LINK TL-MR3420",
 135              tl_mr3420_setup);
 136
 137 static void __init tl_wr841n_v7_setup(void)
 138 {
 139         tl_ap99_setup();
 140
 141         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio) - 1,
 142                                  tl_mr3x20_leds_gpio);
 143         ap9x_pci_setup_wmac_led_pin(0, 0);
 144 }
 145
 146 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V7, "TL-WR841N-v7",
 147              "TP-LINK TL-WR841N/ND v7", tl_wr841n_v7_setup);