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 gpio_led wr6202_leds_gpio[] __initdata = {
  64         {
  65                 .name           = "wr6202:blue:wps",
  66                 .gpio           = WR6202_GPIO_LED_WPS,
  67                 .active_low     = 1,
  68         }, {
  69                 .name           = "wr6202:blue:3g",
  70                 .gpio           = WR6202_GPIO_LED_3G,
  71                 .active_low     = 1,
  72         }
  73 };
  74
  75 static struct gpio_keys_button wr6202_gpio_buttons[] __initdata = {
  76         {
  77                 .desc           = "reset",
  78                 .type           = EV_KEY,
  79                 .code           = KEY_RESTART,
  80                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  81                 .gpio           = WR6202_GPIO_BUTTON_RESET,
  82                 .active_low     = 1,
  83         }, {
  84                 .desc           = "wps",
  85                 .type           = EV_KEY,
  86                 .code           = KEY_WPS_BUTTON,
  87                 .debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
  88                 .gpio           = WR6202_GPIO_BUTTON_WPS,
  89                 .active_low     = 1,
  90         }
  91 };
  92
  93 static void __init wr6202_init(void)
  94 {
  95         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
  96
  97         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  98
  99         ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
 100                                 wr6202_leds_gpio);
 101         ramips_register_gpio_buttons(-1, WR6202_KEYS_POLL_INTERVAL,
 102                                 ARRAY_SIZE(wr6202_gpio_buttons),
 103                                 wr6202_gpio_buttons);
 104
 105         /* Power to the USB port is controlled by GPIO line */
 106         gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
 107         gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
 108         gpio_free(WR6202_GPIO_USB_POWER);
 109
 110         rt305x_flash0_data.nr_parts = ARRAY_SIZE(wr6202_partitions);
 111         rt305x_flash0_data.parts = wr6202_partitions;
 112         rt305x_register_flash(0);
 113
 114         rt305x_register_ethernet();
 115         rt305x_register_wifi();
 116         rt305x_register_wdt();
 117         rt305x_register_usb();
 118 }
 119
 120 MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
 121              wr6202_init);