/* * ALFA NETWORK Tube2H board support * * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org> * * 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/gpio.h> #include <asm/mach-ath79/ath79.h> #include <asm/mach-ath79/ar71xx_regs.h> #include "common.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" #define TUBE2H_GPIO_LED_SIGNAL4 0 #define TUBE2H_GPIO_LED_SIGNAL3 1 #define TUBE2H_GPIO_LED_SIGNAL2 13 #define TUBE2H_GPIO_LED_LAN 17 #define TUBE2H_GPIO_LED_SIGNAL1 27 #define TUBE2H_GPIO_EXT_LNA 28 #define TUBE2H_GPIO_BTN_RESET 12 #define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */ #define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL) #define TUBE2H_ART_ADDRESS 0x1f7f0000 #define TUBE2H_LAN_MAC_OFFSET 0x06 #define TUBE2H_CALDATA_OFFSET 0x1000 static struct gpio_led tube2h_leds_gpio[] __initdata = { { .name = "alfa:blue:lan", .gpio = TUBE2H_GPIO_LED_LAN, .active_low = 1, }, { .name = "alfa:red:signal1", .gpio = TUBE2H_GPIO_LED_SIGNAL1, .active_low = 1, }, { .name = "alfa:orange:signal2", .gpio = TUBE2H_GPIO_LED_SIGNAL2, .active_low = 0, }, { .name = "alfa:green:signal3", .gpio = TUBE2H_GPIO_LED_SIGNAL3, .active_low = 0, }, { .name = "alfa:green:signal4", .gpio = TUBE2H_GPIO_LED_SIGNAL4, .active_low = 0, }, }; static struct gpio_keys_button tube2h_gpio_keys[] __initdata = { { .desc = "Reset button", .type = EV_KEY, .code = KEY_RESTART, .debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL, .gpio = TUBE2H_GPIO_BTN_RESET, .active_low = 1, }, }; static void __init tube2h_setup(void) { u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS); u32 t; ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE | AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN | AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN | AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN | AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN | AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN); /* Ensure that GPIO26 and GPIO27 are controllable by software */ t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN; ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t); gpio_request_one(TUBE2H_GPIO_EXT_LNA, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, "external LNA0"); ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL); ath79_register_m25p80(NULL); ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio), tube2h_leds_gpio); ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL, ARRAY_SIZE(tube2h_gpio_keys), tube2h_gpio_keys); ath79_init_mac(ath79_eth0_data.mac_addr, art + TUBE2H_LAN_MAC_OFFSET, 0); ath79_register_mdio(0, 0x0); ath79_register_eth(0); } MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H", tube2h_setup);