target/linux/ar71xx/files/arch/mips/ath79/mach-cf-e316n-v2.c

   1 /*
   2  *  COMFAST CF-E316N v2
   3  *  by Shenzhen Four Seas Global Link Network Technology Co., Ltd
   4  *
   5  *  aka CF-E316V2, CF-E316N-V2 and CF-E316Nv2.0 (no FCC ID)
   6  *
   7  *  Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under the terms of the GNU General Public License version 2 as published
  11  *  by the Free Software Foundation.
  12  */
  13
  14 #include <linux/gpio.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/timer.h>
  17
  18 #include <asm/mach-ath79/ath79.h>
  19 #include <asm/mach-ath79/ar71xx_regs.h>
  20
  21 #include "common.h"
  22 #include "dev-eth.h"
  23 #include "dev-gpio-buttons.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-m25p80.h"
  26 #include "dev-wmac.h"
  27 #include "dev-usb.h"
  28 #include "machtypes.h"
  29
  30 static struct gpio_led cf_e316n_v2_leds_gpio[] __initdata = {
  31         {
  32                 .name           = "cf-e316n-v2:blue:diag",
  33                 .gpio           = 0,
  34                 .active_low     = 0,
  35         }, {
  36                 .name           = "cf-e316n-v2:red:diag",
  37                 .gpio           = 2,
  38                 .active_low     = 0,
  39         }, {
  40                 .name           = "cf-e316n-v2:green:diag",
  41                 .gpio           = 3,
  42                 .active_low     = 0,
  43         }, {
  44                 .name           = "cf-e316n-v2:blue:wlan",
  45                 .gpio           = 12,
  46                 .active_low     = 1,
  47         }, {
  48                 .name           = "cf-e316n-v2:blue:wan",
  49                 .gpio           = 17,
  50                 .active_low     = 1,
  51         }, {
  52                 .name           = "cf-e316n-v2:blue:lan",
  53                 .gpio           = 19,
  54                 .active_low     = 1,
  55         },
  56 };
  57
  58 static struct gpio_keys_button cf_e316n_v2_gpio_keys[] __initdata = {
  59         {
  60                 .desc           = "Reset button",
  61                 .type           = EV_KEY,
  62                 .code           = KEY_RESTART,
  63                 .debounce_interval = 60,
  64                 .gpio           = 20,
  65                 .active_low     = 1,
  66         },
  67 };
  68
  69 /* There's a Pericon Technology PT7A7514 connected to GPIO 16 */
  70 #define EXT_WATCHDOG_GPIO       16
  71 static struct timer_list gpio_wdt_timer;
  72
  73 static void gpio_wdt_toggle(unsigned long period)
  74 {
  75         static int state;
  76         state = !state;
  77         gpio_set_value(EXT_WATCHDOG_GPIO, state);
  78         mod_timer(&gpio_wdt_timer, jiffies + period);
  79 }
  80
  81 static void __init cf_e316n_v2_setup(void)
  82 {
  83         u8 *maclan = (u8 *) KSEG1ADDR(0x1f010000);
  84         u8 *macwlan = (u8 *) KSEG1ADDR(0x1f011002);
  85         u8 *ee = (u8 *) KSEG1ADDR(0x1f011000);
  86         u8 tmpmac[ETH_ALEN];
  87
  88         gpio_request(EXT_WATCHDOG_GPIO, "PT7A7514 watchdog");
  89         gpio_direction_output(EXT_WATCHDOG_GPIO, 0);
  90         setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, msecs_to_jiffies(500));
  91         gpio_wdt_toggle(msecs_to_jiffies(1));
  92
  93         ath79_register_m25p80(NULL);
  94
  95         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
  96         ath79_register_mdio(1, 0x0);
  97
  98         /* GMAC0 is connected to the PHY0 of the internal switch */
  99         ath79_switch_data.phy4_mii_en = 1;
 100         ath79_switch_data.phy_poll_mask = BIT(0);
 101         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 102         ath79_eth0_data.phy_mask = BIT(0);
 103         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 104         ath79_init_mac(ath79_eth0_data.mac_addr, maclan, 0);
 105         ath79_register_eth(0);
 106
 107         /* GMAC1 is connected to the internal switch */
 108         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 109         ath79_init_mac(ath79_eth1_data.mac_addr, maclan, 2);
 110         ath79_register_eth(1);
 111
 112         /* Enable 2x Skyworks SE2576L WLAN power amplifiers */
 113         gpio_request(13, "RF Amp 1");
 114         gpio_direction_output(13, 1);
 115         gpio_request(14, "RF Amp 2");
 116         gpio_direction_output(14, 1);
 117         ath79_init_mac(tmpmac, macwlan, 0);
 118         ath79_register_wmac(ee, tmpmac);
 119
 120         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e316n_v2_leds_gpio),
 121                                  cf_e316n_v2_leds_gpio);
 122
 123         ath79_register_gpio_keys_polled(1, 20,
 124                                         ARRAY_SIZE(cf_e316n_v2_gpio_keys),
 125                                         cf_e316n_v2_gpio_keys);
 126
 127         /* J1 is a High-Speed USB port, pin 1 is Vcc */
 128         ath79_register_usb();
 129 }
 130
 131 MIPS_MACHINE(ATH79_MACH_CF_E316N_V2, "CF-E316N-V2", "COMFAST CF-E316N v2",
 132              cf_e316n_v2_setup);