target/linux/ar71xx/files/arch/mips/ath79/mach-ap91-5g.c

   1 /*
   2  * ALFA Network AP91-5G board support
   3  *
   4  * Copyright (C) 2018 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-ap9x-pci.h"
  19 #include "dev-eth.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-m25p80.h"
  23 #include "machtypes.h"
  24
  25 #define AP91_5G_GPIO_LED_LAN            17
  26 #define AP91_5G_GPIO_LED_SIGNAL1        12
  27 #define AP91_5G_GPIO_LED_SIGNAL2        8
  28 #define AP91_5G_GPIO_LED_SIGNAL3        6
  29 #define AP91_5G_GPIO_LED_SIGNAL4        7
  30
  31 #define AP91_5G_GPIO_WDT_EN             1
  32 #define AP91_5G_GPIO_WDT_IN             0
  33
  34 #define AP91_5G_GPIO_BTN_RESET          11
  35
  36 #define AP91_5G_KEYS_POLL_INTERVAL      20
  37 #define AP91_5G_KEYS_DEBOUNCE_INTERVAL  (3 * AP91_5G_KEYS_POLL_INTERVAL)
  38
  39 #define AP91_5G_WMAC_CALDATA_OFFSET     0x1000
  40
  41 static struct gpio_led ap91_5g_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "ap91-5g:green:lan",
  44                 .gpio           = AP91_5G_GPIO_LED_LAN,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "ap91-5g:red:signal1",
  48                 .gpio           = AP91_5G_GPIO_LED_SIGNAL1,
  49                 .active_low     = 1,
  50         }, {
  51                 .name           = "ap91-5g:orange:signal2",
  52                 .gpio           = AP91_5G_GPIO_LED_SIGNAL2,
  53                 .active_low     = 1,
  54         }, {
  55                 .name           = "ap91-5g:green:signal3",
  56                 .gpio           = AP91_5G_GPIO_LED_SIGNAL3,
  57                 .active_low     = 1,
  58         }, {
  59                 .name           = "ap91-5g:green:signal4",
  60                 .gpio           = AP91_5G_GPIO_LED_SIGNAL4,
  61                 .active_low     = 1,
  62         },
  63 };
  64
  65 static struct gpio_keys_button ap91_5g_gpio_keys[] __initdata = {
  66         {
  67                 .desc                   = "reset",
  68                 .type                   = EV_KEY,
  69                 .code                   = KEY_RESTART,
  70                 .debounce_interval      = AP91_5G_KEYS_DEBOUNCE_INTERVAL,
  71                 .gpio                   = AP91_5G_GPIO_BTN_RESET,
  72                 .active_low             = 1,
  73         },
  74 };
  75
  76 static void __init ap91_5g_setup(void)
  77 {
  78         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  79
  80         ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
  81                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  82
  83         gpio_set_value(AP91_5G_GPIO_LED_LAN, 1);
  84         gpio_set_value(AP91_5G_GPIO_LED_SIGNAL3, 1);
  85         gpio_set_value(AP91_5G_GPIO_LED_SIGNAL4, 1);
  86
  87         ath79_register_m25p80(NULL);
  88
  89         ath79_register_mdio(0, 0x0);
  90
  91         /* LAN */
  92         ath79_eth0_data.duplex = DUPLEX_FULL;
  93         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
  94         ath79_eth0_data.phy_mask = BIT(4);
  95         ath79_eth0_data.speed = SPEED_100;
  96         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
  97         ath79_register_eth(0);
  98
  99         ath79_register_leds_gpio(-1, ARRAY_SIZE(ap91_5g_leds_gpio),
 100                                  ap91_5g_leds_gpio);
 101
 102         ath79_register_gpio_keys_polled(-1, AP91_5G_KEYS_POLL_INTERVAL,
 103                                         ARRAY_SIZE(ap91_5g_gpio_keys),
 104                                         ap91_5g_gpio_keys);
 105
 106         gpio_request_one(AP91_5G_GPIO_WDT_IN,
 107                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 108                          "WDT input");
 109
 110         gpio_request_one(AP91_5G_GPIO_WDT_EN,
 111                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 112                          "WDT enable");
 113
 114         ap91_pci_init(art + AP91_5G_WMAC_CALDATA_OFFSET, NULL);
 115 }
 116
 117 MIPS_MACHINE(ATH79_MACH_AP91_5G, "AP91-5G", "ALFA Network AP91-5G",
 118              ap91_5g_setup);