target/linux/ar71xx/files/arch/mips/ath79/mach-t830.c

   1 /*
   2  * YunCore T830 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-usb.h"
  23 #include "dev-wmac.h"
  24 #include "machtypes.h"
  25
  26 #define T830_GPIO_LED_LAN1      16
  27 #define T830_GPIO_LED_LAN2      15
  28 #define T830_GPIO_LED_LAN3      14
  29 #define T830_GPIO_LED_LAN4      11
  30 #define T830_GPIO_LED_USB       13
  31 #define T830_GPIO_LED_WAN       4
  32 #define T830_GPIO_LED_WLAN      12
  33
  34 #define T830_GPIO_BTN_RESET     17
  35
  36 #define T830_KEYS_POLL_INTERVAL         20 /* msec */
  37 #define T830_KEYS_DEBOUNCE_INTERVAL     (3 * T830_KEYS_POLL_INTERVAL)
  38
  39 #define T830_WMAC_CALDATA_OFFSET        0x1000
  40
  41 static struct gpio_led t830_gpio_leds[] __initdata = {
  42         {
  43                 .name           = "t830:green:lan1",
  44                 .gpio           = T830_GPIO_LED_LAN1,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "t830:green:lan2",
  48                 .gpio           = T830_GPIO_LED_LAN2,
  49                 .active_low     = 1,
  50         }, {
  51                 .name           = "t830:green:lan3",
  52                 .gpio           = T830_GPIO_LED_LAN3,
  53                 .active_low     = 1,
  54         }, {
  55                 .name           = "t830:green:lan4",
  56                 .gpio           = T830_GPIO_LED_LAN4,
  57                 .active_low     = 1,
  58         }, {
  59                 .name           = "t830:green:usb",
  60                 .gpio           = T830_GPIO_LED_USB,
  61                 .active_low     = 1,
  62                 .default_state  = LEDS_GPIO_DEFSTATE_KEEP,
  63         }, {
  64                 .name           = "t830:green:wan",
  65                 .gpio           = T830_GPIO_LED_WAN,
  66                 .active_low     = 1,
  67         }, {
  68                 .name           = "t830:green:wlan",
  69                 .gpio           = T830_GPIO_LED_WLAN,
  70                 .active_low     = 1,
  71         },
  72 };
  73
  74 static struct gpio_keys_button t830_gpio_keys[] __initdata = {
  75         {
  76                 .desc                   = "reset",
  77                 .type                   = EV_KEY,
  78                 .code                   = KEY_RESTART,
  79                 .debounce_interval      = T830_KEYS_DEBOUNCE_INTERVAL,
  80                 .gpio                   = T830_GPIO_BTN_RESET,
  81                 .active_low             = 1,
  82         },
  83 };
  84
  85 static void __init t830_setup(void)
  86 {
  87         u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);
  88         u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
  89
  90         ath79_register_m25p80(NULL);
  91
  92         ath79_setup_ar933x_phy4_switch(false, false);
  93
  94         ath79_register_mdio(0, 0x0);
  95
  96         ath79_switch_data.phy4_mii_en = 1;
  97         ath79_switch_data.phy_poll_mask |= BIT(4);
  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, mac + 6, 0);
 103         ath79_register_eth(1);
 104
 105         /* WAN */
 106         ath79_eth0_data.duplex = DUPLEX_FULL;
 107         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 108         ath79_eth0_data.phy_mask = BIT(4);
 109         ath79_eth0_data.speed = SPEED_100;
 110         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 111         ath79_register_eth(0);
 112
 113         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
 114                                   AR934X_GPIO_FUNC_CLK_OBS4_EN);
 115
 116         ath79_register_leds_gpio(-1, ARRAY_SIZE(t830_gpio_leds),
 117                                  t830_gpio_leds);
 118
 119         ath79_register_gpio_keys_polled(-1, T830_KEYS_POLL_INTERVAL,
 120                                         ARRAY_SIZE(t830_gpio_keys),
 121                                         t830_gpio_keys);
 122
 123         ath79_register_usb();
 124         ath79_register_wmac(art, NULL);
 125 }
 126
 127 MIPS_MACHINE(ATH79_MACH_T830, "T830", "YunCore T830", t830_setup);