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

   1 /*
   2  *  WD My Net WI-FI Range Extender (Codename:Starfish db12x) board support
   3  *
   4  *  Copyright (C) 2013 Christian Lamparter <chunkeey@googlemail.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/pci.h>
  12 #include <linux/phy.h>
  13 #include <linux/gpio.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/ath9k_platform.h>
  16 #include <linux/ar8216_platform.h>
  17
  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-spi.h"
  27 #include "dev-usb.h"
  28 #include "dev-wmac.h"
  29 #include "machtypes.h"
  30 #include "nvram.h"
  31
  32 #define MYNET_REXT_GPIO_LED_POWER       11
  33 #define MYNET_REXT_GPIO_LED_ETHERNET    12
  34 #define MYNET_REXT_GPIO_LED_WIFI        19
  35
  36 #define MYNET_REXT_GPIO_LED_RF_QTY1     20
  37 #define MYNET_REXT_GPIO_LED_RF_QTY2     21
  38 #define MYNET_REXT_GPIO_LED_RF_QTY3     22
  39
  40 #define MYNET_REXT_GPIO_BTN_RESET       13
  41 #define MYNET_REXT_GPIO_BTN_WPS         15
  42 #define MYNET_REXT_GPIO_SW_RF           14
  43
  44 #define MYNET_REXT_GPIO_PHY_SWRST       16      /* disables Ethernet PHY */
  45 #define MYNET_REXT_GPIO_PHY_INT         17
  46 #define MYNET_REXT_GPIO_18              18
  47
  48 #define MYNET_REXT_KEYS_POLL_INTERVAL   20      /* msecs */
  49 #define MYNET_REXT_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_REXT_KEYS_POLL_INTERVAL)
  50
  51 #define MYNET_REXT_WMAC_CALDATA_OFFSET  0x1000
  52
  53 #define MYNET_REXT_NVRAM_ADDR           0x1f7e0010
  54 #define MYNET_REXT_NVRAM_SIZE           0xfff0
  55
  56 #define MYNET_REXT_ART_ADDR             0x1f7f0000
  57
  58 static struct gpio_led mynet_rext_leds_gpio[] __initdata = {
  59         {
  60                 .name           = "wd:blue:power",
  61                 .gpio           = MYNET_REXT_GPIO_LED_POWER,
  62                 .active_low     = 0,
  63         },
  64         {
  65                 .name           = "wd:blue:wireless",
  66                 .gpio           = MYNET_REXT_GPIO_LED_WIFI,
  67                 .active_low     = 1,
  68         },
  69         {
  70                 .name           = "wd:blue:ethernet",
  71                 .gpio           = MYNET_REXT_GPIO_LED_ETHERNET,
  72                 .active_low     = 1,
  73         },
  74         {
  75                 .name           = "wd:blue:quality1",
  76                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY1,
  77                 .active_low     = 1,
  78         },
  79         {
  80                 .name           = "wd:blue:quality2",
  81                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY2,
  82                 .active_low     = 1,
  83         },
  84         {
  85                 .name           = "wd:blue:quality3",
  86                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY3,
  87                 .active_low     = 1,
  88         },
  89 };
  90
  91 static struct gpio_keys_button mynet_rext_gpio_keys[] __initdata = {
  92         {
  93                 .desc           = "Reset button",
  94                 .type           = EV_KEY,
  95                 .code           = KEY_RESTART,
  96                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
  97                 .gpio           = MYNET_REXT_GPIO_BTN_RESET,
  98                 .active_low     = 1,
  99         },
 100         {
 101                 .desc           = "WPS button",
 102                 .type           = EV_KEY,
 103                 .code           = KEY_WPS_BUTTON,
 104                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
 105                 .gpio           = MYNET_REXT_GPIO_BTN_WPS,
 106                 .active_low     = 1,
 107         },
 108         {
 109                 .desc           = "RF Band switch",
 110                 .type           = EV_SW,
 111                 .code           = BTN_1,
 112                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
 113                 .gpio           = MYNET_REXT_GPIO_SW_RF,
 114         },
 115 };
 116
 117 static void mynet_rext_get_mac(const char *name, char *mac)
 118 {
 119         u8 *nvram = (u8 *) KSEG1ADDR(MYNET_REXT_NVRAM_ADDR);
 120         int err;
 121
 122         err = ath79_nvram_parse_mac_addr(nvram, MYNET_REXT_NVRAM_SIZE,
 123                                          name, mac);
 124         if (err)
 125                 pr_err("no MAC address found for %s\n", name);
 126 }
 127
 128 static void __init mynet_rext_setup(void)
 129 {
 130         u8 *art = (u8 *) KSEG1ADDR(MYNET_REXT_ART_ADDR);
 131         u8 tmpmac[ETH_ALEN];
 132
 133         ath79_register_m25p80(NULL);
 134
 135         /* GPIO configuration from drivers/char/GPIO8.c */
 136
 137         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_POWER,
 138                                  AR934X_GPIO_OUT_GPIO);
 139         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_WIFI,
 140                                  AR934X_GPIO_OUT_GPIO);
 141         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY1,
 142                                  AR934X_GPIO_OUT_GPIO);
 143         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY2,
 144                                  AR934X_GPIO_OUT_GPIO);
 145         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY3,
 146                                  AR934X_GPIO_OUT_GPIO);
 147         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_ETHERNET,
 148                                  AR934X_GPIO_OUT_GPIO);
 149         ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_rext_leds_gpio),
 150                                  mynet_rext_leds_gpio);
 151
 152         ath79_register_gpio_keys_polled(-1, MYNET_REXT_KEYS_POLL_INTERVAL,
 153                                         ARRAY_SIZE(mynet_rext_gpio_keys),
 154                                         mynet_rext_gpio_keys);
 155
 156         mynet_rext_get_mac("wl0_hwaddr=", tmpmac);
 157         ath79_register_wmac(art + MYNET_REXT_WMAC_CALDATA_OFFSET, tmpmac);
 158
 159         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
 160
 161         ath79_register_mdio(0, 0x0);
 162
 163         /* LAN */
 164         mynet_rext_get_mac("et0macaddr=", ath79_eth0_data.mac_addr);
 165
 166         /* GMAC0 is connected to an external PHY on Port 4 */
 167         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 168         ath79_eth0_data.phy_mask = BIT(4);
 169         ath79_eth0_pll_data.pll_1000 = 0x0e000000; /* athrs_mac.c */
 170         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 171         ath79_register_eth(0);
 172 }
 173
 174 MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT",
 175              "WD My Net Wi-Fi Range Extender", mynet_rext_setup);