target/linux/ar71xx/files/arch/mips/ath79/mach-dr531.c

   1 /*
   2  * Wallys DR531 board support
   3  *
   4  * Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
   5  *
   6  * Based on mach-wpj531.c
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License version 2 as published
  10  * by the Free Software Foundation.
  11  */
  12
  13 #include <linux/pci.h>
  14 #include <linux/gpio.h>
  15 #include <linux/platform_device.h>
  16
  17 #include <asm/mach-ath79/ath79.h>
  18 #include <asm/mach-ath79/ar71xx_regs.h>
  19
  20 #include "common.h"
  21 #include "dev-ap9x-pci.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-usb.h"
  27 #include "dev-wmac.h"
  28 #include "machtypes.h"
  29 #include "pci.h"
  30
  31 #define DR531_GPIO_BUZZER       4
  32 #define DR531_GPIO_LED_WAN      11
  33 #define DR531_GPIO_LED_LAN      14
  34 #define DR531_GPIO_LED_SIG1     12
  35 #define DR531_GPIO_LED_SIG2     16
  36 #define DR531_GPIO_LED_SIG3     15
  37 #define DR531_GPIO_LED_SIG4     13
  38
  39 #define DR531_GPIO_BTN_RESET    17
  40
  41 #define DR531_KEYS_POLL_INTERVAL        20      /* msecs */
  42 #define DR531_KEYS_DEBOUNCE_INTERVAL    (3 * DR531_KEYS_POLL_INTERVAL)
  43
  44 #define DR531_MAC0_OFFSET               0x0
  45 #define DR531_MAC1_OFFSET               0x8
  46 #define DR531_WMAC_CALDATA_OFFSET       0x1000
  47
  48 static struct gpio_led dr531_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "dr531:green:wan",
  51                 .gpio           = DR531_GPIO_LED_WAN,
  52                 .active_low     = 1,
  53         },
  54         {
  55                 .name           = "dr531:green:lan",
  56                 .gpio           = DR531_GPIO_LED_LAN,
  57                 .active_low     = 1,
  58         },
  59         {
  60                 .name           = "dr531:green:sig1",
  61                 .gpio           = DR531_GPIO_LED_SIG1,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .name           = "dr531:green:sig2",
  66                 .gpio           = DR531_GPIO_LED_SIG2,
  67                 .active_low     = 1,
  68         },
  69         {
  70                 .name           = "dr531:green:sig3",
  71                 .gpio           = DR531_GPIO_LED_SIG3,
  72                 .active_low     = 1,
  73         },
  74         {
  75                 .name           = "dr531:green:sig4",
  76                 .gpio           = DR531_GPIO_LED_SIG4,
  77                 .active_low     = 1,
  78         },
  79         {
  80                 .name           = "dr531:buzzer",
  81                 .gpio           = DR531_GPIO_BUZZER,
  82                 .active_low     = 0,
  83         }
  84 };
  85
  86 static struct gpio_keys_button dr531_gpio_keys[] __initdata = {
  87         {
  88                 .desc           = "reset",
  89                 .type           = EV_KEY,
  90                 .code           = KEY_RESTART,
  91                 .debounce_interval = DR531_KEYS_DEBOUNCE_INTERVAL,
  92                 .gpio           = DR531_GPIO_BTN_RESET,
  93                 .active_low     = 1,
  94         },
  95 };
  96
  97 static void __init dr531_gpio_setup(void)
  98 {
  99         ath79_gpio_direction_select(DR531_GPIO_BUZZER, true);
 100         ath79_gpio_direction_select(DR531_GPIO_LED_WAN, true);
 101         ath79_gpio_direction_select(DR531_GPIO_LED_LAN, true);
 102         ath79_gpio_direction_select(DR531_GPIO_LED_SIG1, true);
 103         ath79_gpio_direction_select(DR531_GPIO_LED_SIG2, true);
 104         ath79_gpio_direction_select(DR531_GPIO_LED_SIG3, true);
 105         ath79_gpio_direction_select(DR531_GPIO_LED_SIG4, true);
 106
 107         ath79_gpio_output_select(DR531_GPIO_BUZZER, 0);
 108         ath79_gpio_output_select(DR531_GPIO_LED_WAN, 0);
 109         ath79_gpio_output_select(DR531_GPIO_LED_LAN, 0);
 110
 111         ath79_register_leds_gpio(-1, ARRAY_SIZE(dr531_leds_gpio),
 112                                  dr531_leds_gpio);
 113
 114         ath79_register_gpio_keys_polled(-1, DR531_KEYS_POLL_INTERVAL,
 115                                         ARRAY_SIZE(dr531_gpio_keys),
 116                                         dr531_gpio_keys);
 117 }
 118
 119 static void __init dr531_setup(void)
 120 {
 121         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 122         u8 *mac = (u8 *) KSEG1ADDR(0x1f03f810);
 123
 124         ath79_register_m25p80(NULL);
 125
 126         dr531_gpio_setup();
 127
 128         ath79_setup_ar933x_phy4_switch(false, false);
 129
 130         ath79_register_mdio(0, 0x0);
 131
 132         /* LAN */
 133         ath79_eth0_data.duplex = DUPLEX_FULL;
 134         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 135         ath79_eth0_data.speed = SPEED_100;
 136         ath79_eth0_data.phy_mask = BIT(4);
 137         ath79_init_mac(ath79_eth0_data.mac_addr, mac + DR531_MAC1_OFFSET, 0);
 138         ath79_register_eth(0);
 139
 140         /* WAN */
 141         ath79_switch_data.phy4_mii_en = 1;
 142         ath79_eth1_data.duplex = DUPLEX_FULL;
 143         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 144         ath79_eth1_data.speed = SPEED_1000;
 145         ath79_switch_data.phy_poll_mask |= BIT(4);
 146         ath79_init_mac(ath79_eth1_data.mac_addr, mac + DR531_MAC0_OFFSET, 0);
 147         ath79_register_eth(1);
 148
 149         ath79_register_wmac(art + DR531_WMAC_CALDATA_OFFSET, NULL);
 150
 151         ath79_register_pci();
 152         ath79_register_usb();
 153 }
 154
 155 MIPS_MACHINE(ATH79_MACH_DR531, "DR531", "Wallys DR531", dr531_setup);