target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr941nd.c

   1 /*
   2  *  TP-LINK TL-WR941ND board support
   3  *
   4  *  Copyright (C) 2009 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/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #include <linux/input.h>
  17
  18 #include <asm/mips_machine.h>
  19
  20 #include <asm/mach-ar71xx/ar71xx.h>
  21 #include <asm/mach-ar71xx/platform.h>
  22
  23 #define TL_WR941ND_GPIO_LED_SYSTEM      2
  24 #define TL_WR941ND_GPIO_LED_QSS         5
  25
  26 #define TL_WR941ND_GPIO_BTN_RESET       3
  27 #define TL_WR941ND_GPIO_BTN_QSS         7
  28
  29 #define TL_WR941ND_BUTTONS_POLL_INTERVAL        20
  30
  31 #ifdef CONFIG_MTD_PARTITIONS
  32 static struct mtd_partition tl_wr941nd_partitions[] = {
  33         {
  34                 .name           = "u-boot",
  35                 .offset         = 0,
  36                 .size           = 0x020000,
  37                 .mask_flags     = MTD_WRITEABLE,
  38         } , {
  39                 .name           = "kernel",
  40                 .offset         = 0x020000,
  41                 .size           = 0x100000,
  42         } , {
  43                 .name           = "rootfs",
  44                 .offset         = 0x120000,
  45                 .size           = 0x2c0000,
  46         } , {
  47                 .name           = "config",
  48                 .offset         = 0x3e0000,
  49                 .size           = 0x010000,
  50         } , {
  51                 .name           = "art",
  52                 .offset         = 0x3f0000,
  53                 .size           = 0x010000,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         } , {
  56                 .name           = "firmware",
  57                 .offset         = 0x020000,
  58                 .size           = 0x3c0000,
  59         }
  60 };
  61 #endif /* CONFIG_MTD_PARTITIONS */
  62
  63 static struct flash_platform_data tl_wr941nd_flash_data = {
  64 #ifdef CONFIG_MTD_PARTITIONS
  65         .parts          = tl_wr941nd_partitions,
  66         .nr_parts       = ARRAY_SIZE(tl_wr941nd_partitions),
  67 #endif
  68 };
  69
  70 static struct spi_board_info tl_wr941nd_spi_info[] = {
  71         {
  72                 .bus_num        = 0,
  73                 .chip_select    = 0,
  74                 .max_speed_hz   = 25000000,
  75                 .modalias       = "m25p80",
  76                 .platform_data  = &tl_wr941nd_flash_data,
  77         }
  78 };
  79
  80 static struct gpio_led tl_wr941nd_leds_gpio[] __initdata = {
  81         {
  82                 .name           = "tl-wr941nd:green:system",
  83                 .gpio           = TL_WR941ND_GPIO_LED_SYSTEM,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "tl-wr941nd:red:qss",
  87                 .gpio           = TL_WR941ND_GPIO_LED_QSS,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static struct gpio_button tl_wr941nd_gpio_buttons[] __initdata = {
  93         {
  94                 .desc           = "reset",
  95                 .type           = EV_KEY,
  96                 .code           = BTN_0,
  97                 .threshold      = 5,
  98                 .gpio           = TL_WR941ND_GPIO_BTN_RESET,
  99                 .active_low     = 1,
 100         }, {
 101                 .desc           = "qss",
 102                 .type           = EV_KEY,
 103                 .code           = BTN_1,
 104                 .threshold      = 5,
 105                 .gpio           = TL_WR941ND_GPIO_BTN_QSS,
 106                 .active_low     = 1,
 107         }
 108 };
 109
 110 static void __init tl_wr941nd_setup(void)
 111 {
 112         ar71xx_add_device_spi(NULL, tl_wr941nd_spi_info,
 113                                         ARRAY_SIZE(tl_wr941nd_spi_info));
 114
 115         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_leds_gpio),
 116                                         tl_wr941nd_leds_gpio);
 117
 118         ar71xx_add_device_gpio_buttons(-1, TL_WR941ND_BUTTONS_POLL_INTERVAL,
 119                                         ARRAY_SIZE(tl_wr941nd_gpio_buttons),
 120                                         tl_wr941nd_gpio_buttons);
 121         ar91xx_add_device_wmac();
 122 }
 123
 124 MIPS_MACHINE(AR71XX_MACH_MZK_W04NU, "TP-LINK TL-WR941ND", tl_wr941nd_setup);