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/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/delay.h>
  15 #include <linux/rtl8366.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/spi/spi_gpio.h>
  18
  19 #include <asm/mach-ath79/ath79.h>
  20
  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-usb.h"
  27 #include "machtypes.h"
  28
  29 #define TEW673GRU_GPIO_LCD_SCK          0
  30 #define TEW673GRU_GPIO_LCD_MOSI         1
  31 #define TEW673GRU_GPIO_LCD_MISO         2
  32 #define TEW673GRU_GPIO_LCD_CS           6
  33
  34 #define TEW673GRU_GPIO_LED_WPS          9
  35
  36 #define TEW673GRU_GPIO_BTN_RESET        3
  37 #define TEW673GRU_GPIO_BTN_WPS          8
  38
  39 #define TEW673GRU_GPIO_RTL8366_SDA      5
  40 #define TEW673GRU_GPIO_RTL8366_SCK      7
  41
  42 #define TEW673GRU_KEYS_POLL_INTERVAL    20 /* msecs */
  43 #define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL)
  44
  45 #define TEW673GRU_CAL_LOCATION_0        0x1f661000
  46 #define TEW673GRU_CAL_LOCATION_1        0x1f665000
  47
  48 #define TEW673GRU_MAC_LOCATION_0        0x1f66ffa0
  49 #define TEW673GRU_MAC_LOCATION_1        0x1f66ffb4
  50
  51 static struct mtd_partition tew673gru_partitions[] = {
  52         {
  53                 .name           = "uboot",
  54                 .offset         = 0,
  55                 .size           = 0x040000,
  56                 .mask_flags     = MTD_WRITEABLE,
  57         }, {
  58                 .name           = "config",
  59                 .offset         = 0x040000,
  60                 .size           = 0x010000,
  61                 .mask_flags     = MTD_WRITEABLE,
  62         }, {
  63                 .name           = "firmware",
  64                 .offset         = 0x050000,
  65                 .size           = 0x610000,
  66         }, {
  67                 .name           = "caldata",
  68                 .offset         = 0x660000,
  69                 .size           = 0x010000,
  70                 .mask_flags     = MTD_WRITEABLE,
  71         }, {
  72                 .name           = "unknown",
  73                 .offset         = 0x670000,
  74                 .size           = 0x190000,
  75                 .mask_flags     = MTD_WRITEABLE,
  76         }
  77 };
  78
  79 static struct flash_platform_data tew673gru_flash_data = {
  80         .parts          = tew673gru_partitions,
  81         .nr_parts       = ARRAY_SIZE(tew673gru_partitions),
  82 };
  83
  84 static struct gpio_led tew673gru_leds_gpio[] __initdata = {
  85         {
  86                 .name           = "trendnet:blue:wps",
  87                 .gpio           = TEW673GRU_GPIO_LED_WPS,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static struct gpio_keys_button tew673gru_gpio_keys[] __initdata = {
  93         {
  94                 .desc           = "reset",
  95                 .type           = EV_KEY,
  96                 .code           = KEY_RESTART,
  97                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
  98                 .gpio           = TEW673GRU_GPIO_BTN_RESET,
  99                 .active_low     = 1,
 100         }, {
 101                 .desc           = "wps",
 102                 .type           = EV_KEY,
 103                 .code           = KEY_WPS_BUTTON,
 104                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
 105                 .gpio           = TEW673GRU_GPIO_BTN_WPS,
 106                 .active_low     = 1,
 107         }
 108 };
 109
 110 static struct rtl8366_initval tew673gru_rtl8366s_initvals[] = {
 111         { .reg = 0x06, .val = 0x0108 },
 112 };
 113
 114 static struct rtl8366_platform_data tew673gru_rtl8366s_data = {
 115         .gpio_sda       = TEW673GRU_GPIO_RTL8366_SDA,
 116         .gpio_sck       = TEW673GRU_GPIO_RTL8366_SCK,
 117         .num_initvals   = ARRAY_SIZE(tew673gru_rtl8366s_initvals),
 118         .initvals       = tew673gru_rtl8366s_initvals,
 119 };
 120
 121 static struct platform_device tew673gru_rtl8366s_device = {
 122         .name           = RTL8366S_DRIVER_NAME,
 123         .id             = -1,
 124         .dev = {
 125                 .platform_data  = &tew673gru_rtl8366s_data,
 126         }
 127 };
 128
 129 static struct spi_board_info tew673gru_spi_info[] = {
 130         {
 131                 .bus_num        = 1,
 132                 .chip_select    = 0,
 133                 .max_speed_hz   = 400000,
 134                 .modalias       = "spidev",
 135                 .mode           = SPI_MODE_2,
 136                 .controller_data = (void *) TEW673GRU_GPIO_LCD_CS,
 137         },
 138 };
 139
 140 static struct spi_gpio_platform_data tew673gru_spi_data = {
 141         .sck            = TEW673GRU_GPIO_LCD_SCK,
 142         .miso           = TEW673GRU_GPIO_LCD_MISO,
 143         .mosi           = TEW673GRU_GPIO_LCD_MOSI,
 144         .num_chipselect = 1,
 145 };
 146
 147 static struct platform_device tew673gru_spi_device = {
 148         .name           = "spi_gpio",
 149         .id             = 1,
 150         .dev = {
 151                 .platform_data = &tew673gru_spi_data,
 152         },
 153 };
 154
 155 static void tew673gru_read_ascii_mac(u8 *dest, unsigned int src_addr)
 156 {
 157         int ret;
 158         u8 *src = (u8 *)KSEG1ADDR(src_addr);
 159
 160         ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
 161                      &dest[0], &dest[1], &dest[2],
 162                      &dest[3], &dest[4], &dest[5]);
 163
 164         if (ret != ETH_ALEN) memset(dest, 0, ETH_ALEN);
 165 }
 166
 167 static void __init tew673gru_setup(void)
 168 {
 169         u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
 170
 171         tew673gru_read_ascii_mac(mac1, TEW673GRU_MAC_LOCATION_0);
 172         tew673gru_read_ascii_mac(mac2, TEW673GRU_MAC_LOCATION_1);
 173
 174         ath79_register_mdio(0, 0x0);
 175
 176         ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
 177         ath79_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
 178         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 179         ath79_eth0_data.speed = SPEED_1000;
 180         ath79_eth0_data.duplex = DUPLEX_FULL;
 181         ath79_eth0_pll_data.pll_1000 = 0x11110000;
 182
 183         ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3);
 184         ath79_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
 185         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 186         ath79_eth1_data.phy_mask = 0x10;
 187         ath79_eth1_pll_data.pll_1000 = 0x11110000;
 188
 189         ath79_register_eth(0);
 190         ath79_register_eth(1);
 191
 192         ath79_register_m25p80(&tew673gru_flash_data);
 193
 194         ath79_register_leds_gpio(-1, ARRAY_SIZE(tew673gru_leds_gpio),
 195                                  tew673gru_leds_gpio);
 196
 197         ath79_register_gpio_keys_polled(-1, TEW673GRU_KEYS_POLL_INTERVAL,
 198                                         ARRAY_SIZE(tew673gru_gpio_keys),
 199                                         tew673gru_gpio_keys);
 200
 201         ath79_register_usb();
 202
 203         platform_device_register(&tew673gru_rtl8366s_device);
 204
 205         ap9x_pci_setup_wmac_led_pin(0, 5);
 206         ap9x_pci_setup_wmac_led_pin(1, 5);
 207
 208         ap94_pci_init((u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0), mac1,
 209                       (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_1), mac2);
 210
 211         spi_register_board_info(tew673gru_spi_info,
 212                                 ARRAY_SIZE(tew673gru_spi_info));
 213         platform_device_register(&tew673gru_spi_device);
 214 }
 215
 216 MIPS_MACHINE(ATH79_MACH_TEW_673GRU, "TEW-673GRU", "TRENDnet TEW-673GRU",
 217              tew673gru_setup);