target/linux/ar71xx/files/arch/mips/ath79/mach-cpe870.c

   1 /*
   2  * YunCore CPE870 board support
   3  *
   4  * Copyright (C) 2016 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 CPE870_GPIO_LED_LINK1   0
  27 #define CPE870_GPIO_LED_LINK2   1
  28 #define CPE870_GPIO_LED_LINK3   2
  29 #define CPE870_GPIO_LED_LINK4   3
  30 #define CPE870_GPIO_LED_WLAN    13
  31 #define CPE870_GPIO_LED_WAN     19
  32 #define CPE870_GPIO_LED_LAN     20
  33
  34 #define CPE870_GPIO_BTN_RESET   16
  35
  36 #define CPE870_KEYS_POLL_INTERVAL       20
  37 #define CPE870_KEYS_DEBOUNCE_INTERVAL   (3 * CPE870_KEYS_POLL_INTERVAL)
  38
  39 static struct gpio_led cpe870_leds_gpio[] __initdata = {
  40         {
  41                 .name           = "cpe870:green:lan",
  42                 .gpio           = CPE870_GPIO_LED_LAN,
  43                 .active_low     = 1,
  44         },
  45         {
  46                 .name           = "cpe870:green:wan",
  47                 .gpio           = CPE870_GPIO_LED_WAN,
  48                 .active_low     = 1,
  49         },
  50         {
  51                 .name           = "cpe870:green:wlan",
  52                 .gpio           = CPE870_GPIO_LED_WLAN,
  53                 .active_low     = 1,
  54         },
  55         {
  56                 .name           = "cpe870:green:link1",
  57                 .gpio           = CPE870_GPIO_LED_LINK1,
  58                 .active_low     = 1,
  59         },
  60         {
  61                 .name           = "cpe870:green:link2",
  62                 .gpio           = CPE870_GPIO_LED_LINK2,
  63                 .active_low     = 1,
  64         },
  65         {
  66                 .name           = "cpe870:green:link3",
  67                 .gpio           = CPE870_GPIO_LED_LINK3,
  68                 .active_low     = 1,
  69         },
  70         {
  71                 .name           = "cpe870:green:link4",
  72                 .gpio           = CPE870_GPIO_LED_LINK4,
  73                 .active_low     = 1,
  74         },
  75 };
  76
  77 static struct gpio_keys_button cpe870_gpio_keys[] __initdata = {
  78         {
  79                 .desc           = "reset",
  80                 .type           = EV_KEY,
  81                 .code           = KEY_RESTART,
  82                 .debounce_interval = CPE870_KEYS_DEBOUNCE_INTERVAL,
  83                 .gpio           = CPE870_GPIO_BTN_RESET,
  84                 .active_low     = 1,
  85         },
  86 };
  87
  88 static void __init cpe870_gpio_setup(void)
  89 {
  90         /* Disable JTAG (enables GPIO0-3) */
  91         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
  92
  93         ath79_gpio_direction_select(CPE870_GPIO_LED_LINK1, true);
  94         ath79_gpio_direction_select(CPE870_GPIO_LED_LINK2, true);
  95         ath79_gpio_direction_select(CPE870_GPIO_LED_LINK3, true);
  96         ath79_gpio_direction_select(CPE870_GPIO_LED_LINK4, true);
  97
  98         /* Mute LEDs on boot */
  99         gpio_set_value(CPE870_GPIO_LED_LAN, 1);
 100         gpio_set_value(CPE870_GPIO_LED_WAN, 1);
 101         gpio_set_value(CPE870_GPIO_LED_LINK1, 1);
 102         gpio_set_value(CPE870_GPIO_LED_LINK2, 1);
 103         gpio_set_value(CPE870_GPIO_LED_LINK3, 1);
 104         gpio_set_value(CPE870_GPIO_LED_LINK4, 1);
 105
 106         ath79_gpio_output_select(CPE870_GPIO_LED_LINK1, 0);
 107         ath79_gpio_output_select(CPE870_GPIO_LED_LINK2, 0);
 108         ath79_gpio_output_select(CPE870_GPIO_LED_LINK3, 0);
 109         ath79_gpio_output_select(CPE870_GPIO_LED_LINK4, 0);
 110
 111         ath79_register_leds_gpio(-1, ARRAY_SIZE(cpe870_leds_gpio),
 112                                  cpe870_leds_gpio);
 113
 114         ath79_register_gpio_keys_polled(-1, CPE870_KEYS_POLL_INTERVAL,
 115                                         ARRAY_SIZE(cpe870_gpio_keys),
 116                                         cpe870_gpio_keys);
 117 }
 118
 119 static void __init cpe870_setup(void)
 120 {
 121         u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);
 122         u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
 123
 124         ath79_register_m25p80(NULL);
 125
 126         cpe870_gpio_setup();
 127
 128         ath79_register_mdio(1, 0x0);
 129
 130         ath79_switch_data.phy4_mii_en = 1;
 131         ath79_switch_data.phy_poll_mask = BIT(4);
 132
 133         /* LAN */
 134         ath79_eth1_data.duplex = DUPLEX_FULL;
 135         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 136         ath79_eth1_data.speed = SPEED_1000;
 137         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
 138         ath79_register_eth(1);
 139
 140         /* WAN */
 141         ath79_eth0_data.duplex = DUPLEX_FULL;
 142         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 143         ath79_eth0_data.speed = SPEED_100;
 144         ath79_eth0_data.phy_mask = BIT(4);
 145         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 146         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 147         ath79_register_eth(0);
 148
 149         ath79_register_wmac(art, NULL);
 150 }
 151
 152 MIPS_MACHINE(ATH79_MACH_CPE870, "CPE870", "YunCore CPE870", cpe870_setup);