target/linux/ar71xx/files/arch/mips/ar71xx/mach-nbg460n.c

   1 /*
   2  *  Zyxel NBG 460N/550N/550NH board support
   3  *
   4  *  Copyright (C) 2010 Michael Kurz <michi.kurz@googlemail.com>
   5  *
   6  *  based on mach-tl-wr1043nd.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/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/delay.h>
  17 #include <linux/rtl8366s.h>
  18
  19 #include <linux/i2c.h>
  20 #include <linux/i2c-algo-bit.h>
  21 #include <linux/i2c-gpio.h>
  22
  23 #include <asm/mach-ar71xx/ar71xx.h>
  24
  25 #include "machtype.h"
  26 #include "devices.h"
  27 #include "dev-m25p80.h"
  28 #include "dev-ar9xxx-wmac.h"
  29 #include "dev-gpio-buttons.h"
  30 #include "dev-leds-gpio.h"
  31
  32 /* LEDs */
  33 #define NBG460N_GPIO_LED_WPS            3
  34 #define NBG460N_GPIO_LED_WAN            6
  35 #define NBG460N_GPIO_LED_POWER          14
  36 #define NBG460N_GPIO_LED_WLAN           15
  37
  38 /* Buttons */
  39 #define NBG460N_GPIO_BTN_WPS            12
  40 #define NBG460N_GPIO_BTN_RESET          21
  41
  42 #define NBG460N_KEYS_POLL_INTERVAL      20      /* msecs */
  43 #define NBG460N_KEYS_DEBOUNCE_INTERVAL  (3 * NBG460N_KEYS_POLL_INTERVAL)
  44
  45 /* RTC chip PCF8563 I2C interface */
  46 #define NBG460N_GPIO_PCF8563_SDA        8
  47 #define NBG460N_GPIO_PCF8563_SCK        7
  48
  49 /* Switch configuration I2C interface */
  50 #define NBG460N_GPIO_RTL8366_SDA        16
  51 #define NBG460N_GPIO_RTL8366_SCK        18
  52
  53 #ifdef CONFIG_MTD_PARTITIONS
  54 static struct mtd_partition nbg460n_partitions[] = {
  55         {
  56                 .name           = "Bootbase",
  57                 .offset         = 0,
  58                 .size           = 0x010000,
  59                 .mask_flags     = MTD_WRITEABLE,
  60         }, {
  61                 .name           = "U-Boot Config",
  62                 .offset         = 0x010000,
  63                 .size           = 0x030000,
  64         }, {
  65                 .name           = "U-Boot",
  66                 .offset         = 0x040000,
  67                 .size           = 0x030000,
  68         }, {
  69                 .name           = "linux",
  70                 .offset         = 0x070000,
  71                 .size           = 0x0e0000,
  72         }, {
  73                 .name           = "rootfs",
  74                 .offset         = 0x150000,
  75                 .size           = 0x2a0000,
  76         }, {
  77                 .name           = "CalibData",
  78                 .offset         = 0x3f0000,
  79                 .size           = 0x010000,
  80                 .mask_flags     = MTD_WRITEABLE,
  81         }, {
  82                 .name           = "firmware",
  83                 .offset         = 0x070000,
  84                 .size           = 0x380000,
  85         }
  86 };
  87 #endif /* CONFIG_MTD_PARTITIONS */
  88
  89 static struct flash_platform_data nbg460n_flash_data = {
  90 #ifdef CONFIG_MTD_PARTITIONS
  91         .parts          = nbg460n_partitions,
  92         .nr_parts       = ARRAY_SIZE(nbg460n_partitions),
  93 #endif
  94 };
  95
  96 static struct gpio_led nbg460n_leds_gpio[] __initdata = {
  97         {
  98                 .name           = "nbg460n:green:power",
  99                 .gpio           = NBG460N_GPIO_LED_POWER,
 100                 .active_low     = 0,
 101                 .default_trigger = "default-on",
 102         }, {
 103                 .name           = "nbg460n:green:wps",
 104                 .gpio           = NBG460N_GPIO_LED_WPS,
 105                 .active_low     = 0,
 106         }, {
 107                 .name           = "nbg460n:green:wlan",
 108                 .gpio           = NBG460N_GPIO_LED_WLAN,
 109                 .active_low     = 0,
 110         }, {
 111                 /* Not really for controlling the LED,
 112                    when set low the LED blinks uncontrollable  */
 113                 .name           = "nbg460n:green:wan",
 114                 .gpio           = NBG460N_GPIO_LED_WAN,
 115                 .active_low     = 0,
 116         }
 117 };
 118
 119 static struct gpio_keys_button nbg460n_gpio_keys[] __initdata = {
 120         {
 121                 .desc           = "reset",
 122                 .type           = EV_KEY,
 123                 .code           = KEY_RESTART,
 124                 .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
 125                 .gpio           = NBG460N_GPIO_BTN_RESET,
 126                 .active_low     = 1,
 127         }, {
 128                 .desc           = "wps",
 129                 .type           = EV_KEY,
 130                 .code           = KEY_WPS_BUTTON,
 131                 .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
 132                 .gpio           = NBG460N_GPIO_BTN_WPS,
 133                 .active_low     = 1,
 134         }
 135 };
 136
 137 static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = {
 138         .sda_pin        = NBG460N_GPIO_PCF8563_SDA,
 139         .scl_pin        = NBG460N_GPIO_PCF8563_SCK,
 140         .udelay         = 10,
 141 };
 142
 143 static struct platform_device nbg460n_i2c_device = {
 144         .name           = "i2c-gpio",
 145         .id             = -1,
 146         .num_resources  = 0,
 147         .resource       = NULL,
 148         .dev            = {
 149                 .platform_data  = &nbg460n_i2c_device_platdata,
 150         },
 151 };
 152
 153 static struct i2c_board_info nbg460n_i2c_devs[] __initdata = {
 154         {
 155                 I2C_BOARD_INFO("pcf8563", 0x51),
 156         },
 157 };
 158
 159 static void __devinit nbg460n_i2c_init(void)
 160 {
 161         /* The gpio interface */
 162         platform_device_register(&nbg460n_i2c_device);
 163         /* I2C devices */
 164         i2c_register_board_info(0, nbg460n_i2c_devs,
 165                                 ARRAY_SIZE(nbg460n_i2c_devs));
 166 }
 167
 168
 169 static struct rtl8366s_platform_data nbg460n_rtl8366s_data = {
 170         .gpio_sda       = NBG460N_GPIO_RTL8366_SDA,
 171         .gpio_sck       = NBG460N_GPIO_RTL8366_SCK,
 172 };
 173
 174 static struct platform_device nbg460n_rtl8366s_device = {
 175         .name           = RTL8366S_DRIVER_NAME,
 176         .id             = -1,
 177         .dev = {
 178                 .platform_data  = &nbg460n_rtl8366s_data,
 179         }
 180 };
 181
 182 static void __init nbg460n_setup(void)
 183 {
 184         /* end of bootloader sector contains mac address */
 185         u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8);
 186         /* last sector contains wlan calib data */
 187         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 188
 189         /* LAN Port */
 190         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 191         ar71xx_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 192         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 193         ar71xx_eth0_data.speed = SPEED_1000;
 194         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 195
 196         /* WAN Port */
 197         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 198         ar71xx_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 199         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 200         ar71xx_eth1_data.phy_mask = 0x10;
 201
 202         ar71xx_add_device_eth(0);
 203         ar71xx_add_device_eth(1);
 204
 205         /* register the switch phy */
 206         platform_device_register(&nbg460n_rtl8366s_device);
 207
 208         /* register flash */
 209         ar71xx_add_device_m25p80(&nbg460n_flash_data);
 210
 211         ar9xxx_add_device_wmac(eeprom, mac);
 212
 213         /* register RTC chip */
 214         nbg460n_i2c_init();
 215
 216         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
 217                                         nbg460n_leds_gpio);
 218
 219         ar71xx_register_gpio_keys_polled(-1, NBG460N_KEYS_POLL_INTERVAL,
 220                                          ARRAY_SIZE(nbg460n_gpio_keys),
 221                                          nbg460n_gpio_keys);
 222 }
 223
 224 MIPS_MACHINE(AR71XX_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH",
 225              nbg460n_setup);