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_KEYS_POLL_INTERVAL 20
  30 #define WR6202_KEYS_DEBOUNCE_INTERVAL   (3 * WR6202_KEYS_POLL_INTERVAL)
  31
  32 #define WR6202_GPIO_USB_POWER        11
  33
  34 #define WR6202_GPIO_LED_3G           13
  35 #define WR6202_GPIO_LED_WPS          14
  36
  37 static struct mtd_partition wr6202_partitions[] = {
  38         {
  39                 .name   = "uboot",
  40                 .offset = 0,
  41                 .size   = 0x030000,
  42         }, {
  43                 .name   = "uboot-config",
  44                 .offset = 0x030000,
  45                 .size   = 0x040000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "factory",
  49                 .offset = 0x040000,
  50                 .size   = 0x050000,
  51                 .mask_flags = MTD_WRITEABLE,
  52         }, {
  53                 .name   = "linux",
  54                 .offset = 0x050000,
  55                 .size   = 0x100000,
  56         }, {
  57                 .name   = "rootfs",
  58                 .offset = 0x150000,
  59                 .size   = 0x6B0000,
  60         }
  61 };
  62
  63 static struct physmap_flash_data wr6202_flash_data = {
  64         .nr_parts       = ARRAY_SIZE(wr6202_partitions),
  65         .parts          = wr6202_partitions,
  66 };
  67
  68 static struct gpio_led wr6202_leds_gpio[] __initdata = {
  69         {
  70                 .name           = "wr6202:blue:wps",
  71                 .gpio           = WR6202_GPIO_LED_WPS,
  72                 .active_low     = 1,
  73         }, {
  74                 .name           = "wr6202:blue:3g",
  75                 .gpio           = WR6202_GPIO_LED_3G,
  76                 .active_low     = 1,
  77         }
  78 };
  79
  80 static struct gpio_keys_button wr6202_gpio_buttons[] __initdata = {
  81         {
  82                 .desc           = "reset",
  83                 .type           = EV_KEY,
  84                 .code           = KEY_RESTART,
  85                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  86                 .gpio           = WR6202_GPIO_BUTTON_RESET,
  87                 .active_low     = 1,
  88         }, {
  89                 .desc           = "wps",
  90                 .type           = EV_KEY,
  91                 .code           = KEY_WPS_BUTTON,
  92                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  93                 .gpio           = WR6202_GPIO_BUTTON_WPS,
  94                 .active_low     = 1,
  95         }
  96 };
  97
  98 static void __init wr6202_init(void)
  99 {
 100         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 101
 102         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 103
 104         ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
 105                                 wr6202_leds_gpio);
 106         ramips_register_gpio_buttons(-1, WR6202_KEYS_POLL_INTERVAL,
 107                                 ARRAY_SIZE(wr6202_gpio_buttons),
 108                                 wr6202_gpio_buttons);
 109
 110         /* Power to the USB port is controlled by GPIO line */
 111         gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
 112         gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
 113         gpio_free(WR6202_GPIO_USB_POWER);
 114
 115         rt305x_register_flash(0, &wr6202_flash_data);
 116         rt305x_register_ethernet();
 117         rt305x_register_wifi();
 118         rt305x_register_wdt();
 119         rt305x_register_usb();
 120 }
 121
 122 MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
 123              wr6202_init);