target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/mach-dir-645.c

   1 /*
   2  *  D-Link DIR-645 board support
   3  *
   4  *  Copyright (C) 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/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/rtl8367.h>
  14 #include <linux/ethtool.h>
  15 #include <linux/rt2x00_platform.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/gpio.h>
  18
  19 #include <asm/mach-ralink/machine.h>
  20 #include <asm/mach-ralink/dev-gpio-buttons.h>
  21 #include <asm/mach-ralink/dev-gpio-leds.h>
  22 #include <asm/mach-ralink/rt3883.h>
  23 #include <asm/mach-ralink/rt3883_regs.h>
  24 #include <asm/mach-ralink/ramips_eth_platform.h>
  25
  26 #include "devices.h"
  27
  28 #define DIR_645_GPIO_LED_INET           0
  29 #define DIR_645_GPIO_LED_WPS            26
  30
  31 #define DIR_645_GPIO_BUTTON_RESET       9
  32 #define DIR_645_GPIO_BUTTON_WPS         14
  33
  34 #define DIR_645_GPIO_USB_POWER          30
  35
  36 #define DIR_645_GPIO_RTL8367_SCK        2
  37 #define DIR_645_GPIO_RTL8367_SDA        1
  38
  39 #define DIR_645_KEYS_POLL_INTERVAL      20
  40 #define DIR_645_KEYS_DEBOUNCE_INTERVAL  (3 * DIR_645_KEYS_POLL_INTERVAL)
  41
  42 static struct gpio_led dir_645_leds_gpio[] __initdata = {
  43         {
  44                 .name           = "d-link:green:inet",
  45                 .gpio           = DIR_645_GPIO_LED_INET,
  46                 .active_low     = 1,
  47         },
  48         {
  49                 .name           = "d-link:green:wps",
  50                 .gpio           = DIR_645_GPIO_LED_WPS,
  51                 .active_low     = 1,
  52         },
  53 };
  54
  55 static struct gpio_keys_button dir_645_gpio_buttons[] __initdata = {
  56         {
  57                 .desc           = "reset",
  58                 .type           = EV_KEY,
  59                 .code           = KEY_RESTART,
  60                 .debounce_interval = DIR_645_KEYS_DEBOUNCE_INTERVAL,
  61                 .gpio           = DIR_645_GPIO_BUTTON_RESET,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .desc           = "wps",
  66                 .type           = EV_KEY,
  67                 .code           = KEY_WPS_BUTTON,
  68                 .debounce_interval = DIR_645_KEYS_DEBOUNCE_INTERVAL,
  69                 .gpio           = DIR_645_GPIO_BUTTON_WPS,
  70                 .active_low     = 1,
  71         }
  72 };
  73
  74 static struct rtl8367_extif_config dir_645_rtl8367_extif1_cfg = {
  75         .txdelay = 1,
  76         .rxdelay = 0,
  77         .mode = RTL8367_EXTIF_MODE_RGMII,
  78         .ability = {
  79                 .force_mode = 1,
  80                 .txpause = 1,
  81                 .rxpause = 1,
  82                 .link = 1,
  83                 .duplex = 1,
  84                 .speed = RTL8367_PORT_SPEED_1000,
  85         }
  86 };
  87
  88 static struct rtl8367_platform_data dir_645_rtl8367_data = {
  89         .gpio_sda       = DIR_645_GPIO_RTL8367_SDA,
  90         .gpio_sck       = DIR_645_GPIO_RTL8367_SCK,
  91         .extif1_cfg     = &dir_645_rtl8367_extif1_cfg,
  92 };
  93
  94 static struct platform_device dir_645_rtl8367_device = {
  95         .name           = RTL8367B_DRIVER_NAME,
  96         .id             = -1,
  97         .dev = {
  98                 .platform_data  = &dir_645_rtl8367_data,
  99         }
 100 };
 101
 102 static struct spi_board_info dir_645_spi_info[] = {
 103         {
 104                 .bus_num        = 0,
 105                 .chip_select    = 0,
 106                 .max_speed_hz   = 25000000,
 107                 .modalias       = "m25p80",
 108         }
 109 };
 110
 111 static void __init dir_645_gpio_init(void)
 112 {
 113         rt3883_gpio_init(RT3883_GPIO_MODE_I2C |
 114                          RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) |
 115                          RT3883_GPIO_MODE_JTAG |
 116                          RT3883_GPIO_MODE_PCI(RT3883_GPIO_MODE_PCI_FNC));
 117
 118         gpio_request_one(DIR_645_GPIO_USB_POWER,
 119                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 120                          "USB power");
 121 }
 122
 123 static void __init dir_645_init(void)
 124 {
 125         dir_645_gpio_init();
 126
 127         rt3883_register_spi(dir_645_spi_info,
 128                             ARRAY_SIZE(dir_645_spi_info));
 129
 130         ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_645_leds_gpio),
 131                                   dir_645_leds_gpio);
 132
 133         ramips_register_gpio_buttons(-1, DIR_645_KEYS_POLL_INTERVAL,
 134                                      ARRAY_SIZE(dir_645_gpio_buttons),
 135                                      dir_645_gpio_buttons);
 136
 137         platform_device_register(&dir_645_rtl8367_device);
 138
 139         rt3883_wlan_data.disable_5ghz = 1;
 140         rt3883_register_wlan();
 141
 142         rt3883_eth_data.speed = SPEED_1000;
 143         rt3883_eth_data.duplex = DUPLEX_FULL;
 144         rt3883_eth_data.tx_fc = 1;
 145         rt3883_eth_data.rx_fc = 1;
 146         rt3883_register_ethernet();
 147
 148         rt3883_register_wdt(false);
 149         rt3883_register_usbhost();
 150 }
 151
 152 MIPS_MACHINE(RAMIPS_MACH_DIR_645, "DIR-645", "D-Link DIR-645", dir_645_init);