1/* 2 * ALFA NETWORK Tube2H board support 3 * 4 * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation. 9 */ 10 11#include <linux/gpio.h> 12 13#include <asm/mach-ath79/ath79.h> 14#include <asm/mach-ath79/ar71xx_regs.h> 15 16#include "common.h" 17#include "dev-eth.h" 18#include "dev-gpio-buttons.h" 19#include "dev-leds-gpio.h" 20#include "dev-m25p80.h" 21#include "dev-wmac.h" 22#include "machtypes.h" 23 24#define TUBE2H_GPIO_LED_SIGNAL4 0 25#define TUBE2H_GPIO_LED_SIGNAL3 1 26#define TUBE2H_GPIO_LED_SIGNAL2 13 27#define TUBE2H_GPIO_LED_LAN 17 28#define TUBE2H_GPIO_LED_SIGNAL1 27 29#define TUBE2H_GPIO_EXT_LNA 28 30 31#define TUBE2H_GPIO_BTN_RESET 12 32 33#define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */ 34#define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL) 35 36#define TUBE2H_ART_ADDRESS 0x1f7f0000 37#define TUBE2H_LAN_MAC_OFFSET 0x06 38#define TUBE2H_CALDATA_OFFSET 0x1000 39 40static struct gpio_led tube2h_leds_gpio[] __initdata = { 41 { 42 .name = "alfa:blue:lan", 43 .gpio = TUBE2H_GPIO_LED_LAN, 44 .active_low = 1, 45 }, 46 { 47 .name = "alfa:red:signal1", 48 .gpio = TUBE2H_GPIO_LED_SIGNAL1, 49 .active_low = 1, 50 }, 51 { 52 .name = "alfa:orange:signal2", 53 .gpio = TUBE2H_GPIO_LED_SIGNAL2, 54 .active_low = 0, 55 }, 56 { 57 .name = "alfa:green:signal3", 58 .gpio = TUBE2H_GPIO_LED_SIGNAL3, 59 .active_low = 0, 60 }, 61 { 62 .name = "alfa:green:signal4", 63 .gpio = TUBE2H_GPIO_LED_SIGNAL4, 64 .active_low = 0, 65 }, 66}; 67 68static struct gpio_keys_button tube2h_gpio_keys[] __initdata = { 69 { 70 .desc = "Reset button", 71 .type = EV_KEY, 72 .code = KEY_RESTART, 73 .debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL, 74 .gpio = TUBE2H_GPIO_BTN_RESET, 75 .active_low = 1, 76 }, 77}; 78 79static void __init tube2h_setup(void) 80{ 81 u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS); 82 u32 t; 83 84 ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE | 85 AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN | 86 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN | 87 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN | 88 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN | 89 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN); 90 91 /* Ensure that GPIO26 and GPIO27 are controllable by software */ 92 t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); 93 t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN; 94 ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t); 95 96 gpio_request_one(TUBE2H_GPIO_EXT_LNA, 97 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, 98 "external LNA0"); 99 100 ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL); 101 102 ath79_register_m25p80(NULL); 103 104 ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio), 105 tube2h_leds_gpio); 106 ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL, 107 ARRAY_SIZE(tube2h_gpio_keys), 108 tube2h_gpio_keys); 109 110 ath79_init_mac(ath79_eth0_data.mac_addr, 111 art + TUBE2H_LAN_MAC_OFFSET, 0); 112 ath79_register_mdio(0, 0x0); 113 ath79_register_eth(0); 114} 115 116MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H", 117 tube2h_setup); 118 119