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