/* * Zyxel NBG 460N/550N/550NH board support * * Copyright (C) 2010 Michael Kurz <michi.kurz@googlemail.com> * * based on mach-tl-wr1043nd.c * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. */ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/i2c-gpio.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/platform_device.h> #include <linux/rtl8366.h> #include <asm/mach-ath79/ath79.h> #include "dev-eth.h" #include "dev-gpio-buttons.h" #include "dev-leds-gpio.h" #include "dev-m25p80.h" #include "dev-wmac.h" #include "machtypes.h" /* LEDs */ #define NBG460N_GPIO_LED_WPS 3 #define NBG460N_GPIO_LED_WAN 6 #define NBG460N_GPIO_LED_POWER 14 #define NBG460N_GPIO_LED_WLAN 15 /* Buttons */ #define NBG460N_GPIO_BTN_WPS 12 #define NBG460N_GPIO_BTN_RESET 21 #define NBG460N_KEYS_POLL_INTERVAL 20 /* msecs */ #define NBG460N_KEYS_DEBOUNCE_INTERVAL (3 * NBG460N_KEYS_POLL_INTERVAL) /* RTC chip PCF8563 I2C interface */ #define NBG460N_GPIO_PCF8563_SDA 8 #define NBG460N_GPIO_PCF8563_SCK 7 /* Switch configuration I2C interface */ #define NBG460N_GPIO_RTL8366_SDA 16 #define NBG460N_GPIO_RTL8366_SCK 18 static struct mtd_partition nbg460n_partitions[] = { { .name = "Bootbase", .offset = 0, .size = 0x010000, .mask_flags = MTD_WRITEABLE, }, { .name = "U-Boot Config", .offset = 0x010000, .size = 0x030000, }, { .name = "U-Boot", .offset = 0x040000, .size = 0x030000, }, { .name = "linux", .offset = 0x070000, .size = 0x0e0000, }, { .name = "rootfs", .offset = 0x150000, .size = 0x2a0000, }, { .name = "CalibData", .offset = 0x3f0000, .size = 0x010000, .mask_flags = MTD_WRITEABLE, }, { .name = "firmware", .offset = 0x070000, .size = 0x380000, } }; static struct flash_platform_data nbg460n_flash_data = { .parts = nbg460n_partitions, .nr_parts = ARRAY_SIZE(nbg460n_partitions), }; static struct gpio_led nbg460n_leds_gpio[] __initdata = { { .name = "nbg460n:green:power", .gpio = NBG460N_GPIO_LED_POWER, .active_low = 0, .default_trigger = "default-on", }, { .name = "nbg460n:green:wps", .gpio = NBG460N_GPIO_LED_WPS, .active_low = 0, }, { .name = "nbg460n:green:wlan", .gpio = NBG460N_GPIO_LED_WLAN, .active_low = 0, }, { /* Not really for controlling the LED, when set low the LED blinks uncontrollable */ .name = "nbg460n:green:wan", .gpio = NBG460N_GPIO_LED_WAN, .active_low = 0, } }; static struct gpio_keys_button nbg460n_gpio_keys[] __initdata = { { .desc = "reset", .type = EV_KEY, .code = KEY_RESTART, .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL, .gpio = NBG460N_GPIO_BTN_RESET, .active_low = 1, }, { .desc = "wps", .type = EV_KEY, .code = KEY_WPS_BUTTON, .debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL, .gpio = NBG460N_GPIO_BTN_WPS, .active_low = 1, } }; static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = { .sda_pin = NBG460N_GPIO_PCF8563_SDA, .scl_pin = NBG460N_GPIO_PCF8563_SCK, .udelay = 10, }; static struct platform_device nbg460n_i2c_device = { .name = "i2c-gpio", .id = -1, .num_resources = 0, .resource = NULL, .dev = { .platform_data = &nbg460n_i2c_device_platdata, }, }; static struct i2c_board_info nbg460n_i2c_devs[] __initdata = { { I2C_BOARD_INFO("pcf8563", 0x51), }, }; static void __devinit nbg460n_i2c_init(void) { /* The gpio interface */ platform_device_register(&nbg460n_i2c_device); /* I2C devices */ i2c_register_board_info(0, nbg460n_i2c_devs, ARRAY_SIZE(nbg460n_i2c_devs)); } static struct rtl8366_platform_data nbg460n_rtl8366s_data = { .gpio_sda = NBG460N_GPIO_RTL8366_SDA, .gpio_sck = NBG460N_GPIO_RTL8366_SCK, }; static struct platform_device nbg460n_rtl8366s_device = { .name = RTL8366S_DRIVER_NAME, .id = -1, .dev = { .platform_data = &nbg460n_rtl8366s_data, } }; static void __init nbg460n_setup(void) { /* end of bootloader sector contains mac address */ u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8); /* last sector contains wlan calib data */ u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000); /* LAN Port */ ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0); ath79_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev; ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; ath79_eth0_data.speed = SPEED_1000; ath79_eth0_data.duplex = DUPLEX_FULL; /* WAN Port */ ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1); ath79_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev; ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; ath79_eth1_data.phy_mask = 0x10; ath79_register_eth(0); ath79_register_eth(1); /* register the switch phy */ platform_device_register(&nbg460n_rtl8366s_device); /* register flash */ ath79_register_m25p80(&nbg460n_flash_data); ath79_register_wmac(eeprom, mac); /* register RTC chip */ nbg460n_i2c_init(); ath79_register_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio), nbg460n_leds_gpio); ath79_register_gpio_keys_polled(-1, NBG460N_KEYS_POLL_INTERVAL, ARRAY_SIZE(nbg460n_gpio_keys), nbg460n_gpio_keys); } MIPS_MACHINE(ATH79_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH", nbg460n_setup);