target/linux/ar71xx/files/arch/mips/ath79/mach-ap121f.c

   1 /*
   2  * ALFA Network AP121F board support
   3  *
   4  * Copyright (C) 2017 Piotr Dymacz <pepe2k@gmail.com>
   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 #include <linux/platform_device.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 AP121F_GPIO_LED_LAN     17
  27 #define AP121F_GPIO_LED_VPN     27
  28 #define AP121F_GPIO_LED_WLAN    0
  29
  30 #define AP121F_GPIO_MICROSD_EN  26
  31
  32 #define AP121F_GPIO_BTN_RESET   12
  33 #define AP121F_GPIO_BTN_SWITCH  21
  34
  35 #define AP121F_KEYS_POLL_INTERVAL       20
  36 #define AP121F_KEYS_DEBOUNCE_INTERVAL   (3 * AP121F_KEYS_POLL_INTERVAL)
  37
  38 #define AP121F_WMAC_CALDATA_OFFSET      0x1000
  39
  40 static struct gpio_led ap121f_leds_gpio[] __initdata = {
  41         {
  42                 .name           = "ap121f:green:lan",
  43                 .gpio           = AP121F_GPIO_LED_LAN,
  44                 .active_low     = 1,
  45         }, {
  46                 .name           = "ap121f:green:vpn",
  47                 .gpio           = AP121F_GPIO_LED_VPN,
  48                 .active_low     = 1,
  49         }, {
  50                 .name           = "ap121f:green:wlan",
  51                 .gpio           = AP121F_GPIO_LED_WLAN,
  52                 .active_low     = 0,
  53         },
  54 };
  55
  56 static struct gpio_keys_button ap121f_gpio_keys[] __initdata = {
  57         {
  58                 .desc                   = "reset",
  59                 .type                   = EV_KEY,
  60                 .code                   = KEY_RESTART,
  61                 .debounce_interval      = AP121F_KEYS_DEBOUNCE_INTERVAL,
  62                 .gpio                   = AP121F_GPIO_BTN_RESET,
  63                 .active_low             = 1,
  64         }, {
  65                 .desc                   = "switch",
  66                 .type                   = EV_KEY,
  67                 .code                   = BTN_0,
  68                 .debounce_interval      = AP121F_KEYS_DEBOUNCE_INTERVAL,
  69                 .gpio                   = AP121F_GPIO_BTN_SWITCH,
  70                 .active_low             = 0,
  71         },
  72 };
  73
  74 static void __init ap121f_setup(void)
  75 {
  76         u8 *art = (u8 *) KSEG1ADDR(0x1f040000);
  77
  78         ath79_register_m25p80(NULL);
  79
  80         ath79_setup_ar933x_phy4_switch(false, false);
  81
  82         /* LAN */
  83         ath79_register_mdio(0, 0x0);
  84         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
  85         ath79_register_eth(0);
  86
  87         ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121f_leds_gpio),
  88                                  ap121f_leds_gpio);
  89
  90         ath79_register_gpio_keys_polled(-1, AP121F_KEYS_POLL_INTERVAL,
  91                                         ARRAY_SIZE(ap121f_gpio_keys),
  92                                         ap121f_gpio_keys);
  93
  94         gpio_request_one(AP121F_GPIO_MICROSD_EN,
  95                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  96                          "microSD enable");
  97
  98         ath79_register_wmac(art + AP121F_WMAC_CALDATA_OFFSET, NULL);
  99
 100         ath79_register_usb();
 101 }
 102
 103 MIPS_MACHINE(ATH79_MACH_AP121F, "AP121F", "ALFA Network AP121F", ap121f_setup);