target/linux/ar71xx/files/arch/mips/ath79/mach-wam250.c

   1 /*
   2  * Samsung WAM250 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 WAM250_GPIO_LED_LAN             13
  27 #define WAM250_GPIO_LED_POWER           15
  28 #define WAM250_GPIO_LED_REPEATER        14
  29 #define WAM250_GPIO_LED_WLAN            12
  30
  31 #define WAM250_GPIO_BTN_RESET           17
  32 #define WAM250_GPIO_BTN_SPKADD          1
  33
  34 #define WAM250_GPIO_EXT_LNA             19
  35
  36 #define WAM250_MAC_OFFSET               2
  37
  38 #define WAM250_KEYS_POLL_INTERVAL       20
  39 #define WAM250_KEYS_DEBOUNCE_INTERVAL   (3 * WAM250_KEYS_POLL_INTERVAL)
  40
  41 static struct gpio_led wam250_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "wam250:white:lan",
  44                 .gpio           = WAM250_GPIO_LED_LAN,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "wam250:white:power",
  48                 .gpio           = WAM250_GPIO_LED_POWER,
  49                 .default_state  = LEDS_GPIO_DEFSTATE_KEEP,
  50                 .active_low     = 1,
  51         }, {
  52                 .name           = "wam250:white:repeater",
  53                 .gpio           = WAM250_GPIO_LED_REPEATER,
  54                 .active_low     = 1,
  55         }, {
  56                 .name           = "wam250:white:wlan",
  57                 .gpio           = WAM250_GPIO_LED_WLAN,
  58                 .active_low     = 1,
  59         },
  60 };
  61
  62 static struct gpio_keys_button wam250_gpio_keys[] __initdata = {
  63         {
  64                 .desc                   = "reset",
  65                 .type                   = EV_KEY,
  66                 .code                   = KEY_RESTART,
  67                 .debounce_interval      = WAM250_KEYS_DEBOUNCE_INTERVAL,
  68                 .gpio                   = WAM250_GPIO_BTN_RESET,
  69                 .active_low             = 1,
  70         }, {
  71                 .desc                   = "wps",
  72                 .type                   = EV_KEY,
  73                 .code                   = KEY_WPS_BUTTON,
  74                 .debounce_interval      = WAM250_KEYS_DEBOUNCE_INTERVAL,
  75                 .gpio                   = WAM250_GPIO_BTN_SPKADD,
  76                 .active_low             = 1,
  77         },
  78 };
  79
  80 static void __init wam250_setup(void)
  81 {
  82         u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);
  83
  84         ath79_register_m25p80(NULL);
  85
  86         ath79_register_mdio(1, 0x0);
  87
  88         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
  89
  90         ath79_switch_data.phy4_mii_en = 1;
  91         ath79_switch_data.phy_poll_mask = 0xfd;
  92
  93         /* LAN */
  94         ath79_eth1_data.duplex = DUPLEX_FULL;
  95         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
  96         ath79_eth1_data.phy_mask = BIT(1);
  97         ath79_init_mac(ath79_eth1_data.mac_addr, art + WAM250_MAC_OFFSET, 0);
  98         ath79_register_eth(1);
  99
 100         /* WAN */
 101         ath79_eth0_data.duplex = DUPLEX_FULL;
 102         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 103         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 104         ath79_eth0_data.phy_mask = BIT(0);
 105         ath79_eth0_data.speed = SPEED_100;
 106         ath79_init_mac(ath79_eth0_data.mac_addr, art + WAM250_MAC_OFFSET, 1);
 107         ath79_register_eth(0);
 108
 109         ath79_register_leds_gpio(-1, ARRAY_SIZE(wam250_leds_gpio),
 110                                  wam250_leds_gpio);
 111
 112         ath79_register_gpio_keys_polled(-1, WAM250_KEYS_POLL_INTERVAL,
 113                                         ARRAY_SIZE(wam250_gpio_keys),
 114                                         wam250_gpio_keys);
 115
 116         ath79_wmac_set_ext_lna_gpio(0, WAM250_GPIO_EXT_LNA);
 117
 118         ath79_register_usb();
 119         ath79_register_wmac(art, NULL);
 120 }
 121
 122 MIPS_MACHINE(ATH79_MACH_WAM250, "WAM250", "Samsung WAM250", wam250_setup);