target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c

   1 /*
   2  *  ALFA NETWORK Hornet-UB board support
   3  *
   4  *  Copyright (C) 2011-2012 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 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  16 #include "common.h"
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-usb.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define HORNET_UB_GPIO_LED_WLAN         0
  26 #define HORNET_UB_GPIO_LED_USB          1
  27 #define HORNET_UB_GPIO_LED_LAN          13
  28 #define HORNET_UB_GPIO_LED_WAN          17
  29 #define HORNET_UB_GPIO_LED_WPS          27
  30 #define HORNET_UB_GPIO_EXT_LNA          28
  31
  32 #define HORNET_UB_GPIO_BTN_RESET        12
  33 #define HORNET_UB_GPIO_BTN_WPS          11
  34
  35 #define HORNET_UB_GPIO_USB_POWER        26
  36
  37 #define HORNET_UB_KEYS_POLL_INTERVAL    20      /* msecs */
  38 #define HORNET_UB_KEYS_DEBOUNCE_INTERVAL        (3 * HORNET_UB_KEYS_POLL_INTERVAL)
  39
  40 #define HORNET_UB_MAC0_OFFSET           0x0000
  41 #define HORNET_UB_MAC1_OFFSET           0x0006
  42 #define HORNET_UB_CALDATA_OFFSET        0x1000
  43
  44 static struct gpio_led hornet_ub_leds_gpio[] __initdata = {
  45         {
  46                 .name           = "alfa:blue:lan",
  47                 .gpio           = HORNET_UB_GPIO_LED_LAN,
  48                 .active_low     = 0,
  49         },
  50         {
  51                 .name           = "alfa:blue:usb",
  52                 .gpio           = HORNET_UB_GPIO_LED_USB,
  53                 .active_low     = 0,
  54         },
  55         {
  56                 .name           = "alfa:blue:wan",
  57                 .gpio           = HORNET_UB_GPIO_LED_WAN,
  58                 .active_low     = 1,
  59         },
  60         {
  61                 .name           = "alfa:blue:wlan",
  62                 .gpio           = HORNET_UB_GPIO_LED_WLAN,
  63                 .active_low     = 0,
  64         },
  65         {
  66                 .name           = "alfa:blue:wps",
  67                 .gpio           = HORNET_UB_GPIO_LED_WPS,
  68                 .active_low     = 1,
  69         },
  70 };
  71
  72 static struct gpio_keys_button hornet_ub_gpio_keys[] __initdata = {
  73         {
  74                 .desc           = "WPS button",
  75                 .type           = EV_KEY,
  76                 .code           = KEY_WPS_BUTTON,
  77                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  78                 .gpio           = HORNET_UB_GPIO_BTN_WPS,
  79                 .active_low     = 0,
  80         },
  81         {
  82                 .desc           = "Reset button",
  83                 .type           = EV_KEY,
  84                 .code           = KEY_RESTART,
  85                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  86                 .gpio           = HORNET_UB_GPIO_BTN_RESET,
  87                 .active_low     = 1,
  88         }
  89 };
  90
  91 static void __init hornet_ub_gpio_setup(void)
  92 {
  93         u32 t;
  94
  95         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  96                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  97                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  98                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  99                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 100
 101         t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
 102         t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
 103         ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
 104
 105         gpio_request_one(HORNET_UB_GPIO_USB_POWER,
 106                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 107                          "USB power");
 108         gpio_request_one(HORNET_UB_GPIO_EXT_LNA,
 109                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 110                         "external LNA0");
 111
 112 }
 113
 114 static void __init hornet_ub_setup(void)
 115 {
 116         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 117
 118         hornet_ub_gpio_setup();
 119
 120         ath79_register_m25p80(NULL);
 121         ath79_register_leds_gpio(-1, ARRAY_SIZE(hornet_ub_leds_gpio),
 122                                         hornet_ub_leds_gpio);
 123         ath79_register_gpio_keys_polled(-1, HORNET_UB_KEYS_POLL_INTERVAL,
 124                                          ARRAY_SIZE(hornet_ub_gpio_keys),
 125                                          hornet_ub_gpio_keys);
 126
 127         ath79_init_mac(ath79_eth1_data.mac_addr,
 128                         art + HORNET_UB_MAC0_OFFSET, 0);
 129         ath79_init_mac(ath79_eth0_data.mac_addr,
 130                         art + HORNET_UB_MAC1_OFFSET, 0);
 131
 132         ath79_register_mdio(0, 0x0);
 133
 134         ath79_register_eth(1);
 135         ath79_register_eth(0);
 136
 137         ath79_register_wmac(art + HORNET_UB_CALDATA_OFFSET, NULL);
 138         ath79_register_usb();
 139 }
 140
 141 MIPS_MACHINE(ATH79_MACH_HORNET_UB, "HORNET-UB", "ALFA NETWORK Hornet-UB",
 142              hornet_ub_setup);