target/linux/ar71xx/files/arch/mips/ath79/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/delay.h>
  14 #include <linux/i2c.h>
  15 #include <linux/i2c-algo-bit.h>
  16 #include <linux/i2c-gpio.h>
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/rtl8366.h>
  21
  22 #include <asm/mach-ath79/ath79.h>
  23
  24 #include "dev-eth.h"
  25 #include "dev-gpio-buttons.h"
  26 #include "dev-leds-gpio.h"
  27 #include "dev-m25p80.h"
  28 #include "dev-wmac.h"
  29 #include "machtypes.h"
  30
  31 /* LEDs */
  32 #define NBG460N_GPIO_LED_WPS            3
  33 #define NBG460N_GPIO_LED_WAN            6
  34 #define NBG460N_GPIO_LED_POWER          14
  35 #define NBG460N_GPIO_LED_WLAN           15
  36
  37 /* Buttons */
  38 #define NBG460N_GPIO_BTN_WPS            12
  39 #define NBG460N_GPIO_BTN_RESET          21
  40
  41 #define NBG460N_KEYS_POLL_INTERVAL      20      /* msecs */
  42 #define NBG460N_KEYS_DEBOUNCE_INTERVAL  (3 * NBG460N_KEYS_POLL_INTERVAL)
  43
  44 /* RTC chip PCF8563 I2C interface */
  45 #define NBG460N_GPIO_PCF8563_SDA        8
  46 #define NBG460N_GPIO_PCF8563_SCK        7
  47
  48 /* Switch configuration I2C interface */
  49 #define NBG460N_GPIO_RTL8366_SDA        16
  50 #define NBG460N_GPIO_RTL8366_SCK        18
  51
  52 static struct mtd_partition nbg460n_partitions[] = {
  53         {
  54                 .name           = "Bootbase",
  55                 .offset         = 0,
  56                 .size           = 0x010000,
  57                 .mask_flags     = MTD_WRITEABLE,
  58         }, {
  59                 .name           = "U-Boot Config",
  60                 .offset         = 0x010000,
  61                 .size           = 0x030000,
  62         }, {
  63                 .name           = "U-Boot",
  64                 .offset         = 0x040000,
  65                 .size           = 0x030000,
  66         }, {
  67                 .name           = "linux",
  68                 .offset         = 0x070000,
  69                 .size           = 0x0e0000,
  70         }, {
  71                 .name           = "rootfs",
  72                 .offset         = 0x150000,
  73                 .size           = 0x2a0000,
  74         }, {
  75                 .name           = "CalibData",
  76                 .offset         = 0x3f0000,
  77                 .size           = 0x010000,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         }, {
  80                 .name           = "firmware",
  81                 .offset         = 0x070000,
  82                 .size           = 0x380000,
  83         }
  84 };
  85
  86 static struct flash_platform_data nbg460n_flash_data = {
  87         .parts          = nbg460n_partitions,
  88         .nr_parts       = ARRAY_SIZE(nbg460n_partitions),
  89 };
  90
  91 static struct gpio_led nbg460n_leds_gpio[] __initdata = {
  92         {
  93                 .name           = "nbg460n:green:power",
  94                 .gpio           = NBG460N_GPIO_LED_POWER,
  95                 .active_low     = 0,
  96                 .default_trigger = "default-on",
  97         }, {
  98                 .name           = "nbg460n:green:wps",
  99                 .gpio           = NBG460N_GPIO_LED_WPS,
 100                 .active_low     = 0,
 101         }, {
 102                 .name           = "nbg460n:green:wlan",
 103                 .gpio           = NBG460N_GPIO_LED_WLAN,
 104                 .active_low     = 0,
 105         }, {
 106                 /* Not really for controlling the LED,
 107                    when set low the LED blinks uncontrollable  */
 108                 .name           = "nbg460n:green:wan",
 109                 .gpio           = NBG460N_GPIO_LED_WAN,
 110                 .active_low     = 0,
 111         }
 112 };
 113
 114 static struct gpio_keys_button nbg460n_gpio_keys[] __initdata = {
 115         {
 116                 .desc           = "reset",
 117                 .type           = EV_KEY,
 118                 .code           = KEY_RESTART,
 119                 .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
 120                 .gpio           = NBG460N_GPIO_BTN_RESET,
 121                 .active_low     = 1,
 122         }, {
 123                 .desc           = "wps",
 124                 .type           = EV_KEY,
 125                 .code           = KEY_WPS_BUTTON,
 126                 .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
 127                 .gpio           = NBG460N_GPIO_BTN_WPS,
 128                 .active_low     = 1,
 129         }
 130 };
 131
 132 static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = {
 133         .sda_pin        = NBG460N_GPIO_PCF8563_SDA,
 134         .scl_pin        = NBG460N_GPIO_PCF8563_SCK,
 135         .udelay         = 10,
 136 };
 137
 138 static struct platform_device nbg460n_i2c_device = {
 139         .name           = "i2c-gpio",
 140         .id             = -1,
 141         .num_resources  = 0,
 142         .resource       = NULL,
 143         .dev            = {
 144                 .platform_data  = &nbg460n_i2c_device_platdata,
 145         },
 146 };
 147
 148 static struct i2c_board_info nbg460n_i2c_devs[] __initdata = {
 149         {
 150                 I2C_BOARD_INFO("pcf8563", 0x51),
 151         },
 152 };
 153
 154 static void nbg460n_i2c_init(void)
 155 {
 156         /* The gpio interface */
 157         platform_device_register(&nbg460n_i2c_device);
 158         /* I2C devices */
 159         i2c_register_board_info(0, nbg460n_i2c_devs,
 160                                 ARRAY_SIZE(nbg460n_i2c_devs));
 161 }
 162
 163
 164 static struct rtl8366_platform_data nbg460n_rtl8366s_data = {
 165         .gpio_sda       = NBG460N_GPIO_RTL8366_SDA,
 166         .gpio_sck       = NBG460N_GPIO_RTL8366_SCK,
 167 };
 168
 169 static struct platform_device nbg460n_rtl8366s_device = {
 170         .name           = RTL8366S_DRIVER_NAME,
 171         .id             = -1,
 172         .dev = {
 173                 .platform_data  = &nbg460n_rtl8366s_data,
 174         }
 175 };
 176
 177 static void __init nbg460n_setup(void)
 178 {
 179         /* end of bootloader sector contains mac address */
 180         u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8);
 181         /* last sector contains wlan calib data */
 182         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 183
 184         /* LAN Port */
 185         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 186         ath79_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 187         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 188         ath79_eth0_data.speed = SPEED_1000;
 189         ath79_eth0_data.duplex = DUPLEX_FULL;
 190
 191         /* WAN Port */
 192         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
 193         ath79_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 194         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 195         ath79_eth1_data.phy_mask = 0x10;
 196
 197         ath79_register_eth(0);
 198         ath79_register_eth(1);
 199
 200         /* register the switch phy */
 201         platform_device_register(&nbg460n_rtl8366s_device);
 202
 203         /* register flash */
 204         ath79_register_m25p80(&nbg460n_flash_data);
 205
 206         ath79_register_wmac(eeprom, mac);
 207
 208         /* register RTC chip */
 209         nbg460n_i2c_init();
 210
 211         ath79_register_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
 212                                  nbg460n_leds_gpio);
 213
 214         ath79_register_gpio_keys_polled(-1, NBG460N_KEYS_POLL_INTERVAL,
 215                                         ARRAY_SIZE(nbg460n_gpio_keys),
 216                                         nbg460n_gpio_keys);
 217 }
 218
 219 MIPS_MACHINE(ATH79_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH",
 220              nbg460n_setup);