| 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); |
| 226 | |
