target/linux/ar71xx/files/arch/mips/ath79/mach-ens202ext.c

   1 /*
   2  * EnGenius ENS202EXT board support
   3  *
   4  * Copyright (C) 2017 Marty Plummer <netz.kernel@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/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/platform_device.h>
  15
  16 #include <asm/mach-ath79/ar71xx_regs.h>
  17 #include <asm/mach-ath79/ath79.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-wmac.h"
  25 #include "machtypes.h"
  26 #include "nvram.h"
  27
  28 #define ENS202_GPIO_LED_WLAN4           0
  29 #define ENS202_GPIO_LED_POWER           14
  30 #define ENS202_GPIO_LED_WLAN2           16
  31 #define ENS202_GPIO_LED_WLAN3           17
  32 #define ENS202_GPIO_LED_WLAN1           18
  33
  34 #define ENS202_GPIO_BTN_RESET           1
  35
  36 #define ENS202_KEYS_POLL_INTERVAL       20      /* msecs */
  37 #define ENS202_KEYS_DEBOUNCE_INTERVAL   (3 * ENS202_KEYS_POLL_INTERVAL)
  38
  39 static struct gpio_led ens202_leds_gpio[] __initdata = {
  40         {
  41                 .name           = "engenius:amber:wlan1",
  42                 .gpio           = ENS202_GPIO_LED_WLAN1,
  43                 .active_low     = 1,
  44         }, {
  45                 .name           = "engenius:red:wlan2",
  46                 .gpio           = ENS202_GPIO_LED_WLAN2,
  47                 .active_low     = 1,
  48         }, {
  49                 .name           = "engenius:amber:wlan3",
  50                 .gpio           = ENS202_GPIO_LED_WLAN3,
  51                 .active_low     = 1,
  52         }, {
  53                 .name           = "engenius:green:wlan4",
  54                 .gpio           = ENS202_GPIO_LED_WLAN4,
  55                 .active_low     = 1,
  56         }, {
  57                 .name           = "engenius:amber:power",
  58                 .gpio           = ENS202_GPIO_LED_POWER,
  59                 .active_low     = 1,
  60         }
  61 };
  62
  63 static struct gpio_keys_button ens202_gpio_keys[] __initdata = {
  64         {
  65                 .desc           = "reset",
  66                 .type           = EV_KEY,
  67                 .code           = KEY_RESTART,
  68                 .debounce_interval = ENS202_KEYS_DEBOUNCE_INTERVAL,
  69                 .gpio           = ENS202_GPIO_BTN_RESET,
  70                 .active_low     = 1,
  71         }
  72 };
  73
  74 static void __init ens202_setup(void)
  75 {
  76         const char *nvram = (char *) KSEG1ADDR(0x1f040000);
  77         u8 mac_buff[6];
  78         u8 *mac = NULL;
  79         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  80
  81         if (ath79_nvram_parse_mac_addr(nvram, 0x10000,
  82                                        "ethaddr=", mac_buff) == 0) {
  83                 ath79_init_mac(ath79_eth0_data.mac_addr, mac_buff, 0);
  84                 ath79_init_mac(ath79_eth1_data.mac_addr, mac_buff, 1);
  85                 mac = mac_buff;
  86         }
  87
  88         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
  89
  90         ath79_gpio_output_select(ENS202_GPIO_LED_POWER, AR934X_GPIO_OUT_GPIO);
  91         ath79_gpio_output_select(ENS202_GPIO_LED_WLAN1, AR934X_GPIO_OUT_GPIO);
  92         ath79_gpio_output_select(ENS202_GPIO_LED_WLAN2, AR934X_GPIO_OUT_GPIO);
  93         ath79_gpio_output_select(ENS202_GPIO_LED_WLAN3, AR934X_GPIO_OUT_GPIO);
  94         ath79_gpio_output_select(ENS202_GPIO_LED_WLAN4, AR934X_GPIO_OUT_GPIO);
  95
  96         ath79_register_leds_gpio(-1, ARRAY_SIZE(ens202_leds_gpio),
  97                                  ens202_leds_gpio);
  98         ath79_register_gpio_keys_polled(-1, ENS202_KEYS_POLL_INTERVAL,
  99                                         ARRAY_SIZE(ens202_gpio_keys),
 100                                         ens202_gpio_keys);
 101
 102         ath79_register_m25p80(NULL);
 103
 104         ath79_register_wmac(art + 0x1000, NULL);
 105
 106         ath79_register_mdio(1, 0);
 107
 108         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 109                                    AR934X_ETH_CFG_SW_ONLY_MODE);
 110         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 111         ath79_eth0_data.phy_mask = BIT(0);
 112         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 113         ath79_eth0_pll_data.pll_1000 = 0x06000000;
 114
 115         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 116         ath79_eth1_data.speed = SPEED_1000;
 117         ath79_eth1_data.duplex = DUPLEX_FULL;
 118
 119         ath79_register_eth(0);
 120         ath79_register_eth(1);
 121 }
 122
 123 MIPS_MACHINE(ATH79_MACH_ENS202EXT, "ENS202EXT", "EnGenius ENS202EXT",
 124              ens202_setup);