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

   1 /**
   2  * WEIO Web Of Things Platform
   3  *
   4  * Copyright (C) 2013 Drasko DRASKOVIC and Uros PETREVSKI
   5  *
   6  *              ##      ## ######## ####  #######
   7  *              ##  ##  ## ##        ##  ##     ##
   8  *              ##  ##  ## ##        ##  ##     ##
   9  *              ##  ##  ## ######    ##  ##     ##
  10  *              ##  ##  ## ##        ##  ##     ##
  11  *              ##  ##  ## ##        ##  ##     ##
  12  *               ###  ###  ######## ####  #######
  13  *
  14  *                   Web Of Things Platform
  15  *
  16  * This program is free software; you can redistribute it and/or
  17  * modify it under the terms of the GNU General Public License
  18  * as published by the Free Software Foundation; either version 2
  19  * of the License, or (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  * GNU General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program; if not, write to the Free Software
  28  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  29  *
  30  * Authors :
  31  * Drasko DRASKOVIC <drasko.draskovic@gmail.com>
  32  * Uros PETREVSKI <uros@nodesign.net>
  33  */
  34
  35 #include <asm/mach-ath79/ath79.h>
  36 #include <asm/mach-ath79/ar71xx_regs.h>
  37 #include <linux/i2c-gpio.h>
  38 #include <linux/platform_device.h>
  39 #include "common.h"
  40 #include "dev-eth.h"
  41 #include "dev-gpio-buttons.h"
  42 #include "dev-leds-gpio.h"
  43 #include "dev-m25p80.h"
  44 #include "dev-spi.h"
  45 #include "dev-usb.h"
  46 #include "dev-wmac.h"
  47 #include "machtypes.h"
  48
  49 #define WEIO_GPIO_LED_STA               1
  50 #define WEIO_GPIO_LED_AP                16
  51
  52 #define WEIO_GPIO_BTN_AP                20
  53 #define WEIO_GPIO_BTN_RESET             23
  54
  55 #define WEIO_KEYS_POLL_INTERVAL         20      /* msecs */
  56 #define WEIO_KEYS_DEBOUNCE_INTERVAL     (3 * WEIO_KEYS_POLL_INTERVAL)
  57
  58 #define WEIO_MAC0_OFFSET                        0x0000
  59 #define WEIO_MAC1_OFFSET                        0x0006
  60 #define WEIO_CALDATA_OFFSET                     0x1000
  61 #define WEIO_WMAC_MAC_OFFSET            0x1002
  62
  63 static struct gpio_led weio_leds_gpio[] __initdata = {
  64         {
  65                 .name           = "weio:green:sta",
  66                 .gpio           = WEIO_GPIO_LED_STA,
  67                 .active_low     = 1,
  68                 .default_state = LEDS_GPIO_DEFSTATE_ON,
  69         },
  70         {
  71                 .name           = "weio:green:ap",
  72                 .gpio           = WEIO_GPIO_LED_AP,
  73                 .active_low     = 1,
  74                 .default_state = LEDS_GPIO_DEFSTATE_ON,
  75         }
  76 };
  77
  78 static struct gpio_keys_button weio_gpio_keys[] __initdata = {
  79         {
  80                 .desc           = "ap button",
  81                 .type           = EV_KEY,
  82                 .code           = BTN_0,
  83                 .debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
  84                 .gpio           = WEIO_GPIO_BTN_AP,
  85                 .active_low     = 1,
  86         },
  87         {
  88                 .desc           = "soft-reset button",
  89                 .type           = EV_KEY,
  90                 .code           = BTN_1,
  91                 .debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
  92                 .gpio           = WEIO_GPIO_BTN_RESET,
  93                 .active_low     = 1,
  94         }
  95 };
  96
  97 static struct i2c_gpio_platform_data weio_i2c_gpio_data = {
  98         .sda_pin        = 18,
  99         .scl_pin        = 19,
 100 };
 101
 102 static struct platform_device weio_i2c_gpio = {
 103         .name           = "i2c-gpio",
 104         .id             = 0,
 105         .dev            = {
 106                 .platform_data  = &weio_i2c_gpio_data,
 107         },
 108 };
 109
 110 static void __init weio_common_setup(void)
 111 {
 112         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 113
 114         ath79_register_m25p80(NULL);
 115         ath79_register_wmac(art + WEIO_CALDATA_OFFSET, art + WEIO_WMAC_MAC_OFFSET);
 116 }
 117
 118 static void __init weio_setup(void)
 119 {
 120         weio_common_setup();
 121
 122         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 123                                 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 124                                 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 125                                 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 126                                 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 127
 128         platform_device_register(&weio_i2c_gpio);
 129
 130         ath79_register_leds_gpio(-1, ARRAY_SIZE(weio_leds_gpio),
 131                                 weio_leds_gpio);
 132
 133         ath79_register_gpio_keys_polled(-1, WEIO_KEYS_POLL_INTERVAL,
 134                                 ARRAY_SIZE(weio_gpio_keys),
 135                                 weio_gpio_keys);
 136
 137         ath79_register_usb();
 138 }
 139
 140 MIPS_MACHINE(ATH79_MACH_WEIO, "WEIO", "WeIO board", weio_setup);