target/linux/ar71xx/files/arch/mips/ath79/mach-zbt-we1526.c

   1 /*
   2  * Zbtlink ZBT-WE1526 board support
   3  *
   4  * Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
   5  *
   6  * Based on mach-dr531.c and mach-tl-wr841n-v9.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/gpio.h>
  14 #include <linux/platform_device.h>
  15
  16 #include <asm/mach-ath79/ath79.h>
  17 #include <asm/mach-ath79/ar71xx_regs.h>
  18
  19 #include "common.h"
  20 #include "dev-eth.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-m25p80.h"
  24 #include "dev-usb.h"
  25 #include "dev-wmac.h"
  26 #include "machtypes.h"
  27
  28 #define ZBT_WE1526_GPIO_LED_STATUS      13
  29 #define ZBT_WE1526_GPIO_LED_LAN1        16
  30 #define ZBT_WE1526_GPIO_LED_LAN2        15
  31 #define ZBT_WE1526_GPIO_LED_LAN3        14
  32 #define ZBT_WE1526_GPIO_LED_LAN4        11
  33 #define ZBT_WE1526_GPIO_LED_WAN         4
  34 #define ZBT_WE1526_GPIO_LED_WLAN        12
  35
  36 #define ZBT_WE1526_GPIO_BTN_RESET       17
  37
  38 #define ZBT_WE1526_KEYS_POLL_INTERVAL   20      /* msecs */
  39 #define ZBT_WE1526_KEYS_DEBOUNCE_INTERVAL       \
  40         (3 * ZBT_WE1526_KEYS_POLL_INTERVAL)
  41
  42 #define ZBT_WE1526_MAC0_OFFSET          0x0
  43 #define ZBT_WE1526_MAC1_OFFSET          0x6
  44 #define ZBT_WE1526_WMAC_CALDATA_OFFSET  0x1000
  45
  46 static struct gpio_led zbt_we1526_leds_gpio[] __initdata = {
  47         {
  48                 .name           = "zbt-we1526:green:status",
  49                 .gpio           = ZBT_WE1526_GPIO_LED_STATUS,
  50                 .active_low     = 1,
  51         },
  52         {
  53                 .name           = "zbt-we1526:green:lan1",
  54                 .gpio           = ZBT_WE1526_GPIO_LED_LAN1,
  55                 .active_low     = 1,
  56         },
  57         {
  58                 .name           = "zbt-we1526:green:lan2",
  59                 .gpio           = ZBT_WE1526_GPIO_LED_LAN2,
  60                 .active_low     = 1,
  61         },
  62         {
  63                 .name           = "zbt-we1526:green:lan3",
  64                 .gpio           = ZBT_WE1526_GPIO_LED_LAN3,
  65                 .active_low     = 1,
  66         },
  67         {
  68                 .name           = "zbt-we1526:green:lan4",
  69                 .gpio           = ZBT_WE1526_GPIO_LED_LAN4,
  70                 .active_low     = 1,
  71         },
  72         {
  73                 .name           = "zbt-we1526:green:wan",
  74                 .gpio           = ZBT_WE1526_GPIO_LED_WAN,
  75                 .active_low     = 1,
  76         },
  77         {
  78                 .name           = "zbt-we1526:green:wlan",
  79                 .gpio           = ZBT_WE1526_GPIO_LED_WLAN,
  80                 .active_low     = 1,
  81         },
  82 };
  83
  84 static struct gpio_keys_button zbt_we1526_gpio_keys[] __initdata = {
  85         {
  86                 .desc           = "reset",
  87                 .type           = EV_KEY,
  88                 .code           = KEY_RESTART,
  89                 .debounce_interval = ZBT_WE1526_KEYS_DEBOUNCE_INTERVAL,
  90                 .gpio           = ZBT_WE1526_GPIO_BTN_RESET,
  91                 .active_low     = 1,
  92         },
  93 };
  94
  95 static void __init zbt_we1526_gpio_setup(void)
  96 {
  97         /* For LED on GPIO4 */
  98         ath79_gpio_function_disable(AR934X_GPIO_FUNC_CLK_OBS4_EN);
  99         ath79_gpio_output_select(ZBT_WE1526_GPIO_LED_WAN, 0);
 100
 101         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_STATUS, true);
 102         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_LAN1, true);
 103         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_LAN2, true);
 104         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_LAN3, true);
 105         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_LAN4, true);
 106         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_WAN, true);
 107         ath79_gpio_direction_select(ZBT_WE1526_GPIO_LED_WLAN, true);
 108
 109         ath79_register_leds_gpio(-1, ARRAY_SIZE(zbt_we1526_leds_gpio),
 110                                  zbt_we1526_leds_gpio);
 111
 112         ath79_register_gpio_keys_polled(-1, ZBT_WE1526_KEYS_POLL_INTERVAL,
 113                                         ARRAY_SIZE(zbt_we1526_gpio_keys),
 114                                         zbt_we1526_gpio_keys);
 115 }
 116
 117 static void __init zbt_we1526_setup(void)
 118 {
 119         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 120
 121         ath79_register_m25p80(NULL);
 122
 123         zbt_we1526_gpio_setup();
 124
 125         ath79_setup_ar933x_phy4_switch(false, false);
 126
 127         ath79_register_mdio(0, 0x0);
 128
 129         /* LAN */
 130         ath79_eth1_data.duplex = DUPLEX_FULL;
 131         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 132         ath79_switch_data.phy_poll_mask |= BIT(4);
 133         ath79_init_mac(ath79_eth1_data.mac_addr,
 134                        art + ZBT_WE1526_MAC0_OFFSET, 0);
 135         ath79_register_eth(1);
 136
 137         /* WAN */
 138         ath79_switch_data.phy4_mii_en = 1;
 139         ath79_eth0_data.duplex = DUPLEX_FULL;
 140         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 141         ath79_eth0_data.phy_mask = BIT(4);
 142         ath79_eth0_data.speed = SPEED_100;
 143         ath79_init_mac(ath79_eth0_data.mac_addr,
 144                        art + ZBT_WE1526_MAC1_OFFSET, 0);
 145         ath79_register_eth(0);
 146
 147         ath79_register_wmac(art + ZBT_WE1526_WMAC_CALDATA_OFFSET, NULL);
 148
 149         ath79_register_usb();
 150 }
 151
 152 MIPS_MACHINE(ATH79_MACH_ZBT_WE1526, "ZBT-WE1526", "Zbtlink ZBT-WE1526",
 153              zbt_we1526_setup);