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-ar913x-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 #define NBG460N_BUTTONS_POLL_INTERVAL   20
  42
  43 /* RTC chip PCF8563 I2C interface */
  44 #define NBG460N_GPIO_PCF8563_SDA        8
  45 #define NBG460N_GPIO_PCF8563_SCK        7
  46
  47 /* Switch configuration I2C interface */
  48 #define NBG460N_GPIO_RTL8366_SDA        16
  49 #define NBG460N_GPIO_RTL8366_SCK        18
  50
  51 #ifdef CONFIG_MTD_PARTITIONS
  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 #endif /* CONFIG_MTD_PARTITIONS */
  86
  87 static struct flash_platform_data nbg460n_flash_data = {
  88 #ifdef CONFIG_MTD_PARTITIONS
  89         .parts          = nbg460n_partitions,
  90         .nr_parts       = ARRAY_SIZE(nbg460n_partitions),
  91 #endif
  92 };
  93
  94 static struct gpio_led nbg460n_leds_gpio[] __initdata = {
  95         {
  96                 .name           = "nbg460n:green:power",
  97                 .gpio           = NBG460N_GPIO_LED_POWER,
  98                 .active_low     = 0,
  99                 .default_trigger = "default-on",
 100         }, {
 101                 .name           = "nbg460n:green:wps",
 102                 .gpio           = NBG460N_GPIO_LED_WPS,
 103                 .active_low     = 0,
 104         }, {
 105                 .name           = "nbg460n:green:wlan",
 106                 .gpio           = NBG460N_GPIO_LED_WLAN,
 107                 .active_low     = 0,
 108         }, {
 109                 /* Not really for controlling the LED,
 110                    when set low the LED blinks uncontrollable  */
 111                 .name           = "nbg460n:green:wan",
 112                 .gpio           = NBG460N_GPIO_LED_WAN,
 113                 .active_low     = 0,
 114         }
 115 };
 116
 117 static struct gpio_button nbg460n_gpio_buttons[] __initdata = {
 118         {
 119                 .desc           = "reset",
 120                 .type           = EV_KEY,
 121                 .code           = KEY_RESTART,
 122                 .threshold      = 3,
 123                 .gpio           = NBG460N_GPIO_BTN_RESET,
 124                 .active_low     = 1,
 125         }, {
 126                 .desc           = "wps",
 127                 .type           = EV_KEY,
 128                 .code           = KEY_WPS_BUTTON,
 129                 .threshold      = 3,
 130                 .gpio           = NBG460N_GPIO_BTN_WPS,
 131                 .active_low     = 1,
 132         }
 133 };
 134
 135 static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = {
 136         .sda_pin        = NBG460N_GPIO_PCF8563_SDA,
 137         .scl_pin        = NBG460N_GPIO_PCF8563_SCK,
 138         .udelay         = 10,
 139 };
 140
 141 static struct platform_device nbg460n_i2c_device = {
 142         .name           = "i2c-gpio",
 143         .id             = -1,
 144         .num_resources  = 0,
 145         .resource       = NULL,
 146         .dev            = {
 147                 .platform_data  = &nbg460n_i2c_device_platdata,
 148         },
 149 };
 150
 151 static struct i2c_board_info nbg460n_i2c_devs[] __initdata = {
 152         {
 153                 I2C_BOARD_INFO("pcf8563", 0x51),
 154         },
 155 };
 156
 157 static void __devinit nbg460n_i2c_init(void)
 158 {
 159         /* The gpio interface */
 160         platform_device_register(&nbg460n_i2c_device);
 161         /* I2C devices */
 162         i2c_register_board_info(0, nbg460n_i2c_devs,
 163                                 ARRAY_SIZE(nbg460n_i2c_devs));
 164 }
 165
 166
 167 static struct rtl8366s_platform_data nbg460n_rtl8366s_data = {
 168         .gpio_sda       = NBG460N_GPIO_RTL8366_SDA,
 169         .gpio_sck       = NBG460N_GPIO_RTL8366_SCK,
 170 };
 171
 172 static struct platform_device nbg460n_rtl8366s_device = {
 173         .name           = RTL8366S_DRIVER_NAME,
 174         .id             = -1,
 175         .dev = {
 176                 .platform_data  = &nbg460n_rtl8366s_data,
 177         }
 178 };
 179
 180 static void __init nbg460n_setup(void)
 181 {
 182         /* end of bootloader sector contains mac address */
 183         u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8);
 184         /* last sector contains wlan calib data */
 185         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 186
 187         /* LAN Port */
 188         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 189         ar71xx_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 190         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 191         ar71xx_eth0_data.speed = SPEED_1000;
 192         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 193
 194         /* WAN Port */
 195         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 196         ar71xx_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 197         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 198         ar71xx_eth1_data.phy_mask = 0x10;
 199
 200         ar71xx_add_device_eth(0);
 201         ar71xx_add_device_eth(1);
 202
 203         /* register the switch phy */
 204         platform_device_register(&nbg460n_rtl8366s_device);
 205
 206         /* register flash */
 207         ar71xx_add_device_m25p80(&nbg460n_flash_data);
 208
 209         ar913x_add_device_wmac(eeprom, mac);
 210
 211         /* register RTC chip */
 212         nbg460n_i2c_init();
 213
 214         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
 215                                         nbg460n_leds_gpio);
 216
 217         ar71xx_add_device_gpio_buttons(-1, NBG460N_BUTTONS_POLL_INTERVAL,
 218                                         ARRAY_SIZE(nbg460n_gpio_buttons),
 219                                         nbg460n_gpio_buttons);
 220 }
 221
 222 MIPS_MACHINE(AR71XX_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH",
 223              nbg460n_setup);