target/linux/ar71xx/files/arch/mips/ath79/mach-n5q.c

   1 /*
   2  * ALFA Network N5Q 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-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define N5Q_GPIO_LED_LAN        19
  26 #define N5Q_GPIO_LED_SIGNAL1    0
  27 #define N5Q_GPIO_LED_SIGNAL2    1
  28 #define N5Q_GPIO_LED_SIGNAL3    2
  29 #define N5Q_GPIO_LED_SIGNAL4    3
  30 #define N5Q_GPIO_LED_WAN        18
  31 #define N5Q_GPIO_LED_WLAN       12
  32
  33 #define N5Q_GPIO_WDT_EN         16
  34 #define N5Q_GPIO_WDT_IN         17
  35
  36 #define N5Q_GPIO_BTN_RESET      11
  37
  38 #define N5Q_MAC0_OFFSET         0
  39 #define N5Q_MAC1_OFFSET         6
  40 #define N5Q_WMAC_CALDATA_OFFSET 0x1000
  41
  42 #define N5Q_KEYS_POLL_INTERVAL          20
  43 #define N5Q_KEYS_DEBOUNCE_INTERVAL      (3 * N5Q_KEYS_POLL_INTERVAL)
  44
  45 static struct gpio_led n5q_leds_gpio[] __initdata = {
  46         {
  47                 .name           = "n5q:green:lan",
  48                 .gpio           = N5Q_GPIO_LED_LAN,
  49                 .active_low     = 1,
  50         }, {
  51                 .name           = "n5q:red:signal1",
  52                 .gpio           = N5Q_GPIO_LED_SIGNAL1,
  53                 .active_low     = 1,
  54         }, {
  55                 .name           = "n5q:orange:signal2",
  56                 .gpio           = N5Q_GPIO_LED_SIGNAL2,
  57                 .active_low     = 1,
  58         }, {
  59                 .name           = "n5q:green:signal3",
  60                 .gpio           = N5Q_GPIO_LED_SIGNAL3,
  61                 .active_low     = 1,
  62         }, {
  63                 .name           = "n5q:green:signal4",
  64                 .gpio           = N5Q_GPIO_LED_SIGNAL4,
  65                 .active_low     = 1,
  66         }, {
  67                 .name           = "n5q:green:wan",
  68                 .gpio           = N5Q_GPIO_LED_WAN,
  69                 .active_low     = 1,
  70         }, {
  71                 .name           = "n5q:green:wlan",
  72                 .gpio           = N5Q_GPIO_LED_WLAN,
  73                 .active_low     = 1,
  74         },
  75 };
  76
  77 static struct gpio_keys_button n5q_gpio_keys[] __initdata = {
  78         {
  79                 .desc                   = "reset",
  80                 .type                   = EV_KEY,
  81                 .code                   = KEY_RESTART,
  82                 .debounce_interval      = N5Q_KEYS_DEBOUNCE_INTERVAL,
  83                 .gpio                   = N5Q_GPIO_BTN_RESET,
  84                 .active_low             = 1,
  85         },
  86 };
  87
  88 static void __init n5q_setup(void)
  89 {
  90         u8 *art = (u8 *) KSEG1ADDR(0x1f070000);
  91
  92         ath79_register_m25p80(NULL);
  93
  94         ath79_register_mdio(1, 0x0);
  95
  96         ath79_switch_data.phy4_mii_en = 1;
  97         ath79_switch_data.phy_poll_mask = 0xf7;
  98
  99         /* LAN */
 100         ath79_eth1_data.duplex = DUPLEX_FULL;
 101         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 102         ath79_init_mac(ath79_eth1_data.mac_addr, art + N5Q_MAC1_OFFSET, 0);
 103         ath79_register_eth(1);
 104
 105         /* WAN */
 106         ath79_eth0_data.duplex = DUPLEX_FULL;
 107         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 108         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 109         ath79_eth0_data.phy_mask = BIT(4);
 110         ath79_eth0_data.speed = SPEED_100;
 111         ath79_init_mac(ath79_eth0_data.mac_addr, art + N5Q_MAC0_OFFSET, 0);
 112         ath79_register_eth(0);
 113
 114         ath79_register_leds_gpio(-1, ARRAY_SIZE(n5q_leds_gpio),
 115                                  n5q_leds_gpio);
 116
 117         ath79_register_gpio_keys_polled(-1, N5Q_KEYS_POLL_INTERVAL,
 118                                         ARRAY_SIZE(n5q_gpio_keys),
 119                                         n5q_gpio_keys);
 120
 121         gpio_request_one(N5Q_GPIO_WDT_IN,
 122                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 123                          "WDT input");
 124
 125         gpio_request_one(N5Q_GPIO_WDT_EN,
 126                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 127                          "WDT enable");
 128
 129         ath79_register_wmac(art + N5Q_WMAC_CALDATA_OFFSET, NULL);
 130 }
 131
 132 MIPS_MACHINE(ATH79_MACH_N5Q, "N5Q", "ALFA Network N5Q", n5q_setup);