target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c

   1 /*
   2  *  TRENDnet TEW-673GRU board support
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   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/platform_device.h>
  12 #include <linux/delay.h>
  13 #include <linux/rtl8366.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/spi_gpio.h>
  16
  17 #include <asm/mach-ath79/ath79.h>
  18
  19 #include "dev-ap9x-pci.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 "machtypes.h"
  26
  27 #define TEW673GRU_GPIO_LCD_SCK          0
  28 #define TEW673GRU_GPIO_LCD_MOSI         1
  29 #define TEW673GRU_GPIO_LCD_MISO         2
  30 #define TEW673GRU_GPIO_LCD_CS           6
  31
  32 #define TEW673GRU_GPIO_LED_WPS          9
  33
  34 #define TEW673GRU_GPIO_BTN_RESET        3
  35 #define TEW673GRU_GPIO_BTN_WPS          8
  36
  37 #define TEW673GRU_GPIO_RTL8366_SDA      5
  38 #define TEW673GRU_GPIO_RTL8366_SCK      7
  39
  40 #define TEW673GRU_KEYS_POLL_INTERVAL    20 /* msecs */
  41 #define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL)
  42
  43 #define TEW673GRU_CAL_LOCATION_0        0x1f661000
  44 #define TEW673GRU_CAL_LOCATION_1        0x1f665000
  45
  46 #define TEW673GRU_MAC_LOCATION_0        0x1f66ffa0
  47 #define TEW673GRU_MAC_LOCATION_1        0x1f66ffb4
  48
  49 static struct gpio_led tew673gru_leds_gpio[] __initdata = {
  50         {
  51                 .name           = "trendnet:blue:wps",
  52                 .gpio           = TEW673GRU_GPIO_LED_WPS,
  53                 .active_low     = 1,
  54         }
  55 };
  56
  57 static struct gpio_keys_button tew673gru_gpio_keys[] __initdata = {
  58         {
  59                 .desc           = "reset",
  60                 .type           = EV_KEY,
  61                 .code           = KEY_RESTART,
  62                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
  63                 .gpio           = TEW673GRU_GPIO_BTN_RESET,
  64                 .active_low     = 1,
  65         }, {
  66                 .desc           = "wps",
  67                 .type           = EV_KEY,
  68                 .code           = KEY_WPS_BUTTON,
  69                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
  70                 .gpio           = TEW673GRU_GPIO_BTN_WPS,
  71                 .active_low     = 1,
  72         }
  73 };
  74
  75 static struct rtl8366_initval tew673gru_rtl8366s_initvals[] = {
  76         { .reg = 0x06, .val = 0x0108 },
  77 };
  78
  79 static struct rtl8366_platform_data tew673gru_rtl8366s_data = {
  80         .gpio_sda       = TEW673GRU_GPIO_RTL8366_SDA,
  81         .gpio_sck       = TEW673GRU_GPIO_RTL8366_SCK,
  82         .num_initvals   = ARRAY_SIZE(tew673gru_rtl8366s_initvals),
  83         .initvals       = tew673gru_rtl8366s_initvals,
  84 };
  85
  86 static struct platform_device tew673gru_rtl8366s_device = {
  87         .name           = RTL8366S_DRIVER_NAME,
  88         .id             = -1,
  89         .dev = {
  90                 .platform_data  = &tew673gru_rtl8366s_data,
  91         }
  92 };
  93
  94 static struct spi_board_info tew673gru_spi_info[] = {
  95         {
  96                 .bus_num        = 1,
  97                 .chip_select    = 0,
  98                 .max_speed_hz   = 400000,
  99                 .modalias       = "spidev",
 100                 .mode           = SPI_MODE_2,
 101                 .controller_data = (void *) TEW673GRU_GPIO_LCD_CS,
 102         },
 103 };
 104
 105 static struct spi_gpio_platform_data tew673gru_spi_data = {
 106         .sck            = TEW673GRU_GPIO_LCD_SCK,
 107         .miso           = TEW673GRU_GPIO_LCD_MISO,
 108         .mosi           = TEW673GRU_GPIO_LCD_MOSI,
 109         .num_chipselect = 1,
 110 };
 111
 112 static struct platform_device tew673gru_spi_device = {
 113         .name           = "spi_gpio",
 114         .id             = 1,
 115         .dev = {
 116                 .platform_data = &tew673gru_spi_data,
 117         },
 118 };
 119
 120 static void tew673gru_read_ascii_mac(u8 *dest, unsigned int src_addr)
 121 {
 122         int ret;
 123         u8 *src = (u8 *)KSEG1ADDR(src_addr);
 124
 125         ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
 126                      &dest[0], &dest[1], &dest[2],
 127                      &dest[3], &dest[4], &dest[5]);
 128
 129         if (ret != ETH_ALEN) memset(dest, 0, ETH_ALEN);
 130 }
 131
 132 static void __init tew673gru_setup(void)
 133 {
 134         u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
 135
 136         tew673gru_read_ascii_mac(mac1, TEW673GRU_MAC_LOCATION_0);
 137         tew673gru_read_ascii_mac(mac2, TEW673GRU_MAC_LOCATION_1);
 138
 139         ath79_register_mdio(0, 0x0);
 140
 141         ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
 142         ath79_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
 143         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 144         ath79_eth0_data.speed = SPEED_1000;
 145         ath79_eth0_data.duplex = DUPLEX_FULL;
 146         ath79_eth0_pll_data.pll_1000 = 0x11110000;
 147
 148         ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3);
 149         ath79_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
 150         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 151         ath79_eth1_data.phy_mask = 0x10;
 152         ath79_eth1_pll_data.pll_1000 = 0x11110000;
 153
 154         ath79_register_eth(0);
 155         ath79_register_eth(1);
 156
 157         ath79_register_m25p80(NULL);
 158
 159         ath79_register_leds_gpio(-1, ARRAY_SIZE(tew673gru_leds_gpio),
 160                                  tew673gru_leds_gpio);
 161
 162         ath79_register_gpio_keys_polled(-1, TEW673GRU_KEYS_POLL_INTERVAL,
 163                                         ARRAY_SIZE(tew673gru_gpio_keys),
 164                                         tew673gru_gpio_keys);
 165
 166         ath79_register_usb();
 167
 168         platform_device_register(&tew673gru_rtl8366s_device);
 169
 170         ap9x_pci_setup_wmac_led_pin(0, 5);
 171         ap9x_pci_setup_wmac_led_pin(1, 5);
 172
 173         ap94_pci_init((u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0), mac1,
 174                       (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_1), mac2);
 175
 176         spi_register_board_info(tew673gru_spi_info,
 177                                 ARRAY_SIZE(tew673gru_spi_info));
 178         platform_device_register(&tew673gru_spi_device);
 179 }
 180
 181 MIPS_MACHINE(ATH79_MACH_TEW_673GRU, "TEW-673GRU", "TRENDnet TEW-673GRU",
 182              tew673gru_setup);