target/linux/ar71xx/files/arch/mips/ath79/mach-onion-omega.c

   1 /*
   2  *  Onion Omega board support
   3  *
   4  *  Copyright (C) 2015 Boken Lin <bl@onion.io>
   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
  15 #include "dev-eth.h"
  16 #include "dev-gpio-buttons.h"
  17 #include "dev-leds-gpio.h"
  18 #include "dev-m25p80.h"
  19 #include "dev-usb.h"
  20 #include "dev-wmac.h"
  21 #include "machtypes.h"
  22
  23 #define OMEGA_GPIO_LED_SYSTEM   27
  24 #define OMEGA_GPIO_BTN_RESET    11
  25
  26 #define OMEGA_GPIO_USB_POWER    8
  27
  28 #define OMEGA_KEYS_POLL_INTERVAL        20  /* msecs */
  29 #define OMEGA_KEYS_DEBOUNCE_INTERVAL    (3 * OMEGA_KEYS_POLL_INTERVAL)
  30
  31 static const char *omega_part_probes[] = {
  32         "tp-link",
  33         NULL,
  34 };
  35
  36 static struct flash_platform_data omega_flash_data = {
  37         .part_probes    = omega_part_probes,
  38 };
  39
  40 static struct gpio_led omega_leds_gpio[] __initdata = {
  41         {
  42                 .name       = "onion:amber:system",
  43                 .gpio       = OMEGA_GPIO_LED_SYSTEM,
  44                 .active_low = 1,
  45         },
  46 };
  47
  48 static struct gpio_keys_button omega_gpio_keys[] __initdata = {
  49         {
  50                 .desc       = "reset",
  51                 .type       = EV_KEY,
  52                 .code       = KEY_RESTART,
  53                 .debounce_interval = OMEGA_KEYS_DEBOUNCE_INTERVAL,
  54                 .gpio       = OMEGA_GPIO_BTN_RESET,
  55                 .active_low = 0,
  56         }
  57 };
  58
  59 static void __init onion_omega_setup(void)
  60 {
  61         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  62         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  63
  64         ath79_register_m25p80(&omega_flash_data);
  65         ath79_register_leds_gpio(-1, ARRAY_SIZE(omega_leds_gpio),
  66                                 omega_leds_gpio);
  67         ath79_register_gpio_keys_polled(-1, OMEGA_KEYS_POLL_INTERVAL,
  68                                         ARRAY_SIZE(omega_gpio_keys),
  69                                         omega_gpio_keys);
  70
  71         gpio_request_one(OMEGA_GPIO_USB_POWER,
  72                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  73                         "USB power");
  74         ath79_register_usb();
  75
  76         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
  77
  78         ath79_register_mdio(0, 0x0);
  79         ath79_register_eth(0);
  80
  81         ath79_register_wmac(ee, mac);
  82 }
  83
  84 MIPS_MACHINE(ATH79_MACH_ONION_OMEGA, "ONION-OMEGA", "Onion Omega", onion_omega_setup);