target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c

   1 /*
   2  *  Asus RT-N15 board support
   3  *
   4  *  Copyright (C) 2009-2010 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/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/leds.h>
  17 #include <linux/rtl8366s.h>
  18
  19 #include <asm/mach-ralink/machine.h>
  20 #include <asm/mach-ralink/dev-gpio-buttons.h>
  21 #include <asm/mach-ralink/dev-gpio-leds.h>
  22 #include <asm/mach-ralink/rt288x.h>
  23 #include <asm/mach-ralink/rt288x_regs.h>
  24
  25 #include "devices.h"
  26
  27 #define RT_N15_GPIO_LED_POWER           11
  28 #define RT_N15_GPIO_BUTTON_WPS          0
  29 #define RT_N15_GPIO_BUTTON_RESET        12
  30
  31 #define RT_N15_GPIO_RTL8366_SCK         2
  32 #define RT_N15_GPIO_RTL8366_SDA         1
  33
  34 #define RT_N15_BUTTONS_POLL_INTERVAL    20
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition rt_n15_partitions[] = {
  38         {
  39                 .name   = "u-boot",
  40                 .offset = 0,
  41                 .size   = 0x030000,
  42                 .mask_flags = MTD_WRITEABLE,
  43         }, {
  44                 .name   = "u-boot-env",
  45                 .offset = 0x030000,
  46                 .size   = 0x010000,
  47                 .mask_flags = MTD_WRITEABLE,
  48         }, {
  49                 .name   = "factory",
  50                 .offset = 0x040000,
  51                 .size   = 0x010000,
  52                 .mask_flags = MTD_WRITEABLE,
  53         }, {
  54                 .name   = "kernel",
  55                 .offset = 0x050000,
  56                 .size   = 0x0b0000,
  57         }, {
  58                 .name   = "rootfs",
  59                 .offset = 0x100000,
  60                 .size   = 0x300000,
  61         }, {
  62                 .name   = "openwrt",
  63                 .offset = 0x050000,
  64                 .size   = 0x3b0000,
  65         }
  66 };
  67 #endif /* CONFIG_MTD_PARTITIONS */
  68
  69 static struct physmap_flash_data rt_n15_flash_data = {
  70 #ifdef CONFIG_MTD_PARTITIONS
  71         .nr_parts       = ARRAY_SIZE(rt_n15_partitions),
  72         .parts          = rt_n15_partitions,
  73 #endif
  74 };
  75
  76 static struct gpio_led rt_n15_leds_gpio[] __initdata = {
  77         {
  78                 .name           = "rt-n15:blue:power",
  79                 .gpio           = RT_N15_GPIO_LED_POWER,
  80                 .active_low     = 1,
  81         }
  82 };
  83
  84 static struct gpio_button rt_n15_gpio_buttons[] __initdata = {
  85         {
  86                 .desc           = "reset",
  87                 .type           = EV_KEY,
  88                 .code           = BTN_0,
  89                 .threshold      = 3,
  90                 .gpio           = RT_N15_GPIO_BUTTON_RESET,
  91                 .active_low     = 1,
  92         }, {
  93                 .desc           = "wps",
  94                 .type           = EV_KEY,
  95                 .code           = BTN_1,
  96                 .threshold      = 3,
  97                 .gpio           = RT_N15_GPIO_BUTTON_WPS,
  98                 .active_low     = 1,
  99         }
 100 };
 101
 102 static struct rtl8366s_platform_data rt_n15_rtl8366s_data = {
 103         .gpio_sda        = RT_N15_GPIO_RTL8366_SDA,
 104         .gpio_sck        = RT_N15_GPIO_RTL8366_SCK,
 105 };
 106
 107 static struct platform_device rt_n15_rtl8366s_device = {
 108         .name           = RTL8366S_DRIVER_NAME,
 109         .id             = -1,
 110         .dev = {
 111                 .platform_data  = &rt_n15_rtl8366s_data,
 112         }
 113 };
 114
 115 static void __init rt_n15_init(void)
 116 {
 117         rt288x_gpio_init(RT2880_GPIO_MODE_UART0 | RT2880_GPIO_MODE_I2C);
 118
 119         rt288x_register_flash(0, &rt_n15_flash_data);
 120
 121         ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n15_leds_gpio),
 122                                   rt_n15_leds_gpio);
 123
 124         ramips_register_gpio_buttons(-1, RT_N15_BUTTONS_POLL_INTERVAL,
 125                                      ARRAY_SIZE(rt_n15_gpio_buttons),
 126                                      rt_n15_gpio_buttons);
 127
 128         platform_device_register(&rt_n15_rtl8366s_device);
 129 }
 130
 131 MIPS_MACHINE(RAMIPS_MACH_RT_N15, "RT-N15", "Asus RT-N15", rt_n15_init);