target/linux/ar71xx/files/arch/mips/ath79/mach-wifi-pineapple-nano.c

   1 /*
   2  *  Hak5 WiFi Pineapple NANO board support
   3  *
   4  *  Copyright (C) 2018 Sebastian Kinne <seb@hak5.org>
   5  *  Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/gpio.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "common.h"
  18 #include "dev-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-usb.h"
  23 #include "dev-wmac.h"
  24 #include "machtypes.h"
  25
  26 #define WIFI_PINEAPPLE_NANO_GPIO_LED_SYSTEM     18
  27
  28 #define WIFI_PINEAPPLE_NANO_GPIO_BTN_RESET      12
  29 #define WIFI_PINEAPPLE_NANO_GPIO_SD_DET         19
  30 #define WIFI_PINEAPPLE_NANO_GPIO_USB_ALARM      20
  31 #define WIFI_PINEAPPLE_NANO_GPIO_USB_POWER      23
  32
  33 #define HAK5_KEYS_POLL_INTERVAL                 20 /* msecs */
  34 #define HAK5_KEYS_DEBOUNCE_INTERVAL             (3 * HAK5_KEYS_POLL_INTERVAL)
  35
  36 #define WIFI_PINEAPPLE_NANO_MAC1_OFFSET         0x0006
  37 #define WIFI_PINEAPPLE_NANO_CALDATA_OFFSET      0x1000
  38
  39 static const char *hak5_part_probes[] = {
  40         "tp-link",
  41         NULL,
  42 };
  43
  44 static struct flash_platform_data hak5_flash_data = {
  45         .part_probes = hak5_part_probes,
  46 };
  47
  48 static struct gpio_led wifi_pineapple_nano_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "wifi-pineapple-nano:blue:system",
  51                 .gpio           = WIFI_PINEAPPLE_NANO_GPIO_LED_SYSTEM,
  52                 .active_low     = 1,
  53         },
  54 };
  55
  56 static struct gpio_keys_button wifi_pineapple_nano_gpio_keys[] __initdata = {
  57         {
  58                 .desc                   = "reset",
  59                 .type                   = EV_KEY,
  60                 .code                   = KEY_RESTART,
  61                 .debounce_interval      = HAK5_KEYS_DEBOUNCE_INTERVAL,
  62                 .gpio                   = WIFI_PINEAPPLE_NANO_GPIO_BTN_RESET,
  63                 .active_low             = 1,
  64         }
  65 };
  66
  67 static void __init wifi_pineapple_nano_setup(void)
  68 {
  69         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  70
  71         ath79_register_m25p80(&hak5_flash_data);
  72
  73         ath79_setup_ar933x_phy4_switch(false, false);
  74         ath79_register_mdio(0, 0x0);
  75
  76         ath79_init_mac(ath79_eth0_data.mac_addr,
  77                        art + WIFI_PINEAPPLE_NANO_MAC1_OFFSET, 0);
  78         ath79_register_eth(0);
  79
  80         /* GPIO11/12 */
  81         ath79_gpio_function_disable(AR933X_GPIO_FUNC_UART_RTS_CTS_EN);
  82
  83         gpio_request_one(WIFI_PINEAPPLE_NANO_GPIO_SD_DET,
  84                          GPIOF_IN | GPIOF_EXPORT_DIR_FIXED | GPIOF_ACTIVE_LOW,
  85                          "SD card present");
  86
  87         gpio_request_one(WIFI_PINEAPPLE_NANO_GPIO_USB_ALARM,
  88                          GPIOF_IN | GPIOF_EXPORT_DIR_FIXED | GPIOF_ACTIVE_LOW,
  89                          "USB alarm");
  90
  91         gpio_request_one(WIFI_PINEAPPLE_NANO_GPIO_USB_POWER,
  92                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED |
  93                          GPIOF_ACTIVE_LOW, "USB power");
  94
  95         ath79_register_leds_gpio(-1, ARRAY_SIZE(wifi_pineapple_nano_leds_gpio),
  96                                  wifi_pineapple_nano_leds_gpio);
  97
  98         ath79_register_gpio_keys_polled(-1, HAK5_KEYS_POLL_INTERVAL,
  99                                         ARRAY_SIZE(wifi_pineapple_nano_gpio_keys),
 100                                         wifi_pineapple_nano_gpio_keys);
 101
 102         ath79_register_usb();
 103         ath79_register_wmac(art + WIFI_PINEAPPLE_NANO_CALDATA_OFFSET, NULL);
 104 }
 105
 106 MIPS_MACHINE(ATH79_MACH_WIFI_PINEAPPLE_NANO, "WIFI-PINEAPPLE-NANO",
 107              "Hak5 WiFi Pineapple NANO", wifi_pineapple_nano_setup);