/* * Copyright 2012 (C), Jamie Lentin * * arch/arm/mach-kirkwood/board-dnskw.c * * D-link DNS-320 & DNS-325 NAS Init for drivers not converted to * flattened device tree yet. * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "mpp.h" static struct mv643xx_eth_platform_data dnskw_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; static struct mv_sata_platform_data dnskw_sata_data = { .n_ports = 2, }; static unsigned int dnskw_mpp_config[] __initdata = { MPP13_UART1_TXD, /* Custom ... */ MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */ MPP20_SATA1_ACTn, /* LED: White Right HDD */ MPP21_SATA0_ACTn, /* LED: White Left HDD */ MPP24_GPIO, MPP25_GPIO, MPP26_GPIO, /* LED: Power */ MPP27_GPIO, /* LED: Red Right HDD */ MPP28_GPIO, /* LED: Red Left HDD */ MPP29_GPIO, /* LED: Red USB (DNS-325 only) */ MPP30_GPIO, MPP31_GPIO, MPP32_GPIO, MPP33_GPO, MPP34_GPIO, /* Button: Front power */ MPP35_GPIO, /* LED: Red USB (DNS-320 only) */ MPP36_GPIO, /* Power: Turn off board */ MPP37_GPIO, /* Power: Turn back on after power failure */ MPP38_GPIO, MPP39_GPIO, /* Power: SATA0 */ MPP40_GPIO, /* Power: SATA1 */ MPP41_GPIO, /* SATA0 present */ MPP42_GPIO, /* SATA1 present */ MPP43_GPIO, /* LED: White USB */ MPP44_GPIO, /* Fan: Tachometer Pin */ MPP45_GPIO, /* Fan: high speed */ MPP46_GPIO, /* Fan: low speed */ MPP47_GPIO, /* Button: Back unmount */ MPP48_GPIO, /* Button: Back reset */ MPP49_GPIO, /* Temp Alarm (DNS-325) Pin of U5 (DNS-320) */ 0 }; static struct gpio_led dns325_led_pins[] = { { .name = "dns325:white:power", .gpio = 26, .active_low = 1, .default_trigger = "default-on", }, { .name = "dns325:white:usb", .gpio = 43, .active_low = 1, }, { .name = "dns325:red:l_hdd", .gpio = 28, .active_low = 1, }, { .name = "dns325:red:r_hdd", .gpio = 27, .active_low = 1, }, { .name = "dns325:red:usb", .gpio = 29, .active_low = 1, }, }; static struct gpio_led_platform_data dns325_led_data = { .num_leds = ARRAY_SIZE(dns325_led_pins), .leds = dns325_led_pins, }; static struct platform_device dns325_led_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &dns325_led_data, }, }; static struct gpio_led dns320_led_pins[] = { { .name = "dns320:blue:power", .gpio = 26, .active_low = 1, .default_trigger = "default-on", }, { .name = "dns320:blue:usb", .gpio = 43, .active_low = 1, }, { .name = "dns320:orange:l_hdd", .gpio = 28, .active_low = 1, }, { .name = "dns320:orange:r_hdd", .gpio = 27, .active_low = 1, }, { .name = "dns320:orange:usb", .gpio = 35, .active_low = 1, }, }; static struct gpio_led_platform_data dns320_led_data = { .num_leds = ARRAY_SIZE(dns320_led_pins), .leds = dns320_led_pins, }; static struct platform_device dns320_led_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &dns320_led_data, }, }; static struct i2c_board_info dns325_i2c_board_info[] __initdata = { { I2C_BOARD_INFO("lm75", 0x48), }, /* Something at 0x0c also */ }; static struct gpio_keys_button dnskw_button_pins[] = { { .code = KEY_POWER, .gpio = 34, .desc = "Power button", .active_low = 1, }, { .code = KEY_EJECTCD, .gpio = 47, .desc = "USB unmount button", .active_low = 1, }, { .code = KEY_RESTART, .gpio = 48, .desc = "Reset button", .active_low = 1, }, }; static struct gpio_keys_platform_data dnskw_button_data = { .buttons = dnskw_button_pins, .nbuttons = ARRAY_SIZE(dnskw_button_pins), }; static struct platform_device dnskw_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &dnskw_button_data, } }; /* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */ static struct gpio_fan_speed dnskw_fan_speed[] = { { 0, 0 }, { 3000, 1 }, { 6000, 2 }, }; static unsigned dnskw_fan_pins[] = {46, 45}; static struct gpio_fan_platform_data dnskw_fan_data = { .num_ctrl = ARRAY_SIZE(dnskw_fan_pins), .ctrl = dnskw_fan_pins, .num_speed = ARRAY_SIZE(dnskw_fan_speed), .speed = dnskw_fan_speed, }; static struct platform_device dnskw_fan_device = { .name = "gpio-fan", .id = -1, .dev = { .platform_data = &dnskw_fan_data, }, }; static void dnskw_power_off(void) { gpio_set_value(36, 1); } /* Register any GPIO for output and set the value */ static void __init dnskw_gpio_register(unsigned gpio, char *name, int def) { if (gpio_request(gpio, name) == 0 && gpio_direction_output(gpio, 0) == 0) { gpio_set_value(gpio, def); if (gpio_export(gpio, 0) != 0) pr_err("dnskw: Failed to export GPIO %s\n", name); } else pr_err("dnskw: Failed to register %s\n", name); } void __init dnskw_init(void) { kirkwood_mpp_conf(dnskw_mpp_config); kirkwood_ehci_init(); kirkwood_ge00_init(&dnskw_ge00_data); kirkwood_sata_init(&dnskw_sata_data); kirkwood_i2c_init(); platform_device_register(&dnskw_button_device); platform_device_register(&dnskw_fan_device); if (of_machine_is_compatible("dlink,dns-325")) { i2c_register_board_info(0, dns325_i2c_board_info, ARRAY_SIZE(dns325_i2c_board_info)); platform_device_register(&dns325_led_device); } else if (of_machine_is_compatible("dlink,dns-320")) platform_device_register(&dns320_led_device); /* Register power-off GPIO. */ if (gpio_request(36, "dnskw:power:off") == 0 && gpio_direction_output(36, 0) == 0) pm_power_off = dnskw_power_off; else pr_err("dnskw: failed to configure power-off GPIO\n"); /* Ensure power is supplied to both HDDs */ dnskw_gpio_register(39, "dnskw:power:sata0", 1); dnskw_gpio_register(40, "dnskw:power:sata1", 1); /* Set NAS to turn back on after a power failure */ dnskw_gpio_register(37, "dnskw:power:recover", 1); }