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         } , {
  58                 .name           = "U-Boot Config",
  59                 .offset         = 0x010000,
  60                 .size           = 0x030000,
  61                 .mask_flags     = MTD_WRITEABLE,
  62         } , {
  63                 .name           = "U-Boot",
  64                 .offset         = 0x040000,
  65                 .size           = 0x030000,
  66                 .mask_flags     = MTD_WRITEABLE,
  67         } , {
  68                 .name           = "firmware",
  69                 .offset         = 0x070000,
  70                 .size           = 0x380000,
  71                 .mask_flags     = MTD_WRITEABLE,
  72         } , {
  73                 .name           = "CalibData",
  74                 .offset         = 0x3f0000,
  75                 .size           = 0x010000,
  76         }
  77 };
  78 #endif /* CONFIG_MTD_PARTITIONS */
  79
  80 static struct flash_platform_data nbg460n_flash_data = {
  81 #ifdef CONFIG_MTD_PARTITIONS
  82         .parts          = nbg460n_partitions,
  83         .nr_parts       = ARRAY_SIZE(nbg460n_partitions),
  84 #endif
  85 };
  86
  87 static struct gpio_led nbg460n_leds_gpio[] __initdata = {
  88         {
  89                 .name           = "nbg460n:green:power",
  90                 .gpio           = NBG460N_GPIO_LED_POWER,
  91                 .active_low     = 0,
  92                 .default_trigger = "default-on",
  93         }, {
  94                 .name           = "nbg460n:green:wps",
  95                 .gpio           = NBG460N_GPIO_LED_WPS,
  96                 .active_low     = 0,
  97         }, {
  98                 .name           = "nbg460n:green:wlan",
  99                 .gpio           = NBG460N_GPIO_LED_WLAN,
 100                 .active_low     = 0,
 101         }, {
 102                 /* Not really for controlling the LED,
 103                    when set low the LED blinks uncontrollable  */
 104                 .name           = "nbg460n:green:wan",
 105                 .gpio           = NBG460N_GPIO_LED_WAN,
 106                 .active_low     = 0,
 107         }
 108 };
 109
 110 static struct gpio_button nbg460n_gpio_buttons[] __initdata = {
 111         {
 112                 .desc           = "reset",
 113                 .type           = EV_KEY,
 114                 .code           = BTN_0,
 115                 .threshold      = 5,
 116                 .gpio           = NBG460N_GPIO_BTN_RESET,
 117                 .active_low     = 1,
 118         }, {
 119                 .desc           = "wps",
 120                 .type           = EV_KEY,
 121                 .code           = BTN_1,
 122                 .threshold      = 5,
 123                 .gpio           = NBG460N_GPIO_BTN_WPS,
 124                 .active_low     = 1,
 125         }
 126 };
 127
 128 static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = {
 129         .sda_pin        = NBG460N_GPIO_PCF8563_SDA,
 130         .scl_pin        = NBG460N_GPIO_PCF8563_SCK,
 131         .udelay         = 10,
 132 };
 133
 134 static struct platform_device nbg460n_i2c_device = {
 135         .name           = "i2c-gpio",
 136         .id             = -1,
 137         .num_resources  = 0,
 138         .resource       = NULL,
 139         .dev            = {
 140                 .platform_data  = &nbg460n_i2c_device_platdata,
 141         },
 142 };
 143
 144 static struct i2c_board_info nbg460n_i2c_devs[] __initdata = {
 145         {
 146                 I2C_BOARD_INFO("pcf8563", 0x51),
 147         },
 148 };
 149
 150 static void __devinit nbg460n_i2c_init(void)
 151 {
 152         /* The gpio interface */
 153         platform_device_register(&nbg460n_i2c_device);
 154         /* I2C devices */
 155         i2c_register_board_info(0, nbg460n_i2c_devs,
 156                                 ARRAY_SIZE(nbg460n_i2c_devs));
 157 }
 158
 159
 160 static struct rtl8366s_platform_data nbg460n_rtl8366s_data = {
 161         .gpio_sda        = NBG460N_GPIO_RTL8366_SDA,
 162         .gpio_sck        = NBG460N_GPIO_RTL8366_SCK,
 163 };
 164
 165 static struct platform_device nbg460n_rtl8366s_device = {
 166         .name           = RTL8366S_DRIVER_NAME,
 167         .id             = -1,
 168         .dev = {
 169                 .platform_data  = &nbg460n_rtl8366s_data,
 170         }
 171 };
 172
 173 static void __init nbg460n_setup(void)
 174 {
 175         /* end of bootloader sector contains mac address*/
 176         u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8);
 177         /* last sector contains wlan calib data */
 178         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 179
 180         ar71xx_set_mac_base(mac);
 181
 182         /* LAN Port */
 183         ar71xx_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 184         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 185         ar71xx_eth0_data.speed = SPEED_1000;
 186         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 187
 188         /* WAN Port */
 189         ar71xx_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
 190         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 191         ar71xx_eth1_data.phy_mask = 0x10;
 192
 193         ar71xx_add_device_eth(0);
 194         ar71xx_add_device_eth(1);
 195
 196         /* register the switch phy */
 197         platform_device_register(&nbg460n_rtl8366s_device);
 198
 199         /* register flash */
 200         ar71xx_add_device_m25p80(&nbg460n_flash_data);
 201
 202         ar913x_add_device_wmac(eeprom, mac);
 203
 204         /* register RTC chip */
 205         nbg460n_i2c_init();
 206
 207         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
 208                                         nbg460n_leds_gpio);
 209
 210         ar71xx_add_device_gpio_buttons(-1, NBG460N_BUTTONS_POLL_INTERVAL,
 211                                         ARRAY_SIZE(nbg460n_gpio_buttons),
 212                                         nbg460n_gpio_buttons);
 213 }
 214
 215 MIPS_MACHINE(AR71XX_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH", nbg460n_setup);