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 #ifdef CONFIG_MTD_PARTITIONS
  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 #endif /* CONFIG_MTD_PARTITIONS */
  63
  64 static struct physmap_flash_data wr6202_flash_data = {
  65 #ifdef CONFIG_MTD_PARTITIONS
  66         .nr_parts       = ARRAY_SIZE(wr6202_partitions),
  67         .parts          = wr6202_partitions,
  68 #endif
  69 };
  70
  71 static struct gpio_led wr6202_leds_gpio[] __initdata = {
  72         {
  73                 .name           = "wr6202:blue:wps",
  74                 .gpio           = WR6202_GPIO_LED_WPS,
  75                 .active_low     = 1,
  76         }, {
  77                 .name           = "wr6202:blue:3g",
  78                 .gpio           = WR6202_GPIO_LED_3G,
  79                 .active_low     = 1,
  80         }
  81 };
  82
  83 static struct gpio_button wr6202_gpio_buttons[] __initdata = {
  84         {
  85                 .desc           = "reset",
  86                 .type           = EV_KEY,
  87                 .code           = KEY_RESTART,
  88                 .threshold      = 3,
  89                 .gpio           = WR6202_GPIO_BUTTON_RESET,
  90                 .active_low     = 1,
  91         }, {
  92                 .desc           = "wps",
  93                 .type           = EV_KEY,
  94                 .code           = KEY_WPS_BUTTON,
  95                 .threshold      = 3,
  96                 .gpio           = WR6202_GPIO_BUTTON_WPS,
  97                 .active_low     = 1,
  98         }
  99 };
 100
 101 static void __init wr6202_init(void)
 102 {
 103         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 104
 105         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 106
 107         ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
 108                                 wr6202_leds_gpio);
 109         ramips_register_gpio_buttons(-1, WR6202_BUTTONS_POLL_INTERVAL,
 110                                 ARRAY_SIZE(wr6202_gpio_buttons),
 111                                 wr6202_gpio_buttons);
 112
 113         /* Power to the USB port is controlled by GPIO line */
 114         gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
 115         gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
 116         gpio_free(WR6202_GPIO_USB_POWER);
 117
 118         rt305x_register_flash(0, &wr6202_flash_data);
 119         rt305x_register_ethernet();
 120         rt305x_register_wifi();
 121         rt305x_register_wdt();
 122         rt305x_register_usb();
 123 }
 124
 125 MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
 126              wr6202_init);