target/linux/ramips/files/arch/mips/ralink/rt305x/mach-wr6202.c

   1 /*
   2  *  AWB WR6202 board support
   3  *
   4  *  Copyright (C) 2012 Johnathan Boyce<jon.boyce@globalreach.eu.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/init.h>
  12 #include<linux/platform_device.h>
  13 #include<linux/mtd/mtd.h>
  14 #include<linux/mtd/partitions.h>
  15 #include<linux/mtd/physmap.h>
  16 #include<linux/gpio.h>
  17
  18 #include<asm/mach-ralink/machine.h>
  19 #include<asm/mach-ralink/dev-gpio-buttons.h>
  20 #include<asm/mach-ralink/dev-gpio-leds.h>
  21 #include<asm/mach-ralink/rt305x.h>
  22 #include<asm/mach-ralink/rt305x_regs.h>
  23
  24 #include "devices.h"
  25
  26 #define WR6202_GPIO_BUTTON_RESET     10        /* active low */
  27 #define WR6202_GPIO_BUTTON_WPS        0        /* active low */
  28
  29 #define WR6202_BUTTONS_POLL_INTERVAL 20
  30
  31 #define WR6202_GPIO_USB_POWER        11
  32
  33 #define WR6202_GPIO_LED_3G           13
  34 #define WR6202_GPIO_LED_WPS          14
  35
  36 static struct mtd_partition wr6202_partitions[] = {
  37         {
  38                 .name   = "uboot",
  39                 .offset = 0,
  40                 .size   = 0x030000,
  41         }, {
  42                 .name   = "uboot-config",
  43                 .offset = 0x030000,
  44                 .size   = 0x040000,
  45                 .mask_flags = MTD_WRITEABLE,
  46         }, {
  47                 .name   = "factory",
  48                 .offset = 0x040000,
  49                 .size   = 0x050000,
  50                 .mask_flags = MTD_WRITEABLE,
  51         }, {
  52                 .name   = "linux",
  53                 .offset = 0x050000,
  54                 .size   = 0x100000,
  55         }, {
  56                 .name   = "rootfs",
  57                 .offset = 0x150000,
  58                 .size   = 0x6B0000,
  59         }
  60 };
  61
  62 static struct physmap_flash_data wr6202_flash_data = {
  63         .nr_parts       = ARRAY_SIZE(wr6202_partitions),
  64         .parts          = wr6202_partitions,
  65 };
  66
  67 static struct gpio_led wr6202_leds_gpio[] __initdata = {
  68         {
  69                 .name           = "wr6202:blue:wps",
  70                 .gpio           = WR6202_GPIO_LED_WPS,
  71                 .active_low     = 1,
  72         }, {
  73                 .name           = "wr6202:blue:3g",
  74                 .gpio           = WR6202_GPIO_LED_3G,
  75                 .active_low     = 1,
  76         }
  77 };
  78
  79 static struct gpio_button wr6202_gpio_buttons[] __initdata = {
  80         {
  81                 .desc           = "reset",
  82                 .type           = EV_KEY,
  83                 .code           = KEY_RESTART,
  84                 .threshold      = 3,
  85                 .gpio           = WR6202_GPIO_BUTTON_RESET,
  86                 .active_low     = 1,
  87         }, {
  88                 .desc           = "wps",
  89                 .type           = EV_KEY,
  90                 .code           = KEY_WPS_BUTTON,
  91                 .threshold      = 3,
  92                 .gpio           = WR6202_GPIO_BUTTON_WPS,
  93                 .active_low     = 1,
  94         }
  95 };
  96
  97 static void __init wr6202_init(void)
  98 {
  99         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 100
 101         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 102
 103         ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
 104                                 wr6202_leds_gpio);
 105         ramips_register_gpio_buttons(-1, WR6202_BUTTONS_POLL_INTERVAL,
 106                                 ARRAY_SIZE(wr6202_gpio_buttons),
 107                                 wr6202_gpio_buttons);
 108
 109         /* Power to the USB port is controlled by GPIO line */
 110         gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
 111         gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
 112         gpio_free(WR6202_GPIO_USB_POWER);
 113
 114         rt305x_register_flash(0, &wr6202_flash_data);
 115         rt305x_register_ethernet();
 116         rt305x_register_wifi();
 117         rt305x_register_wdt();
 118         rt305x_register_usb();
 119 }
 120
 121 MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
 122              wr6202_init);