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_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 #ifdef CONFIG_MTD_PARTITIONS
  34 static struct mtd_partition rt_n15_partitions[] = {
  35         {
  36                 .name   = "u-boot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39                 .mask_flags = MTD_WRITEABLE,
  40         }, {
  41                 .name   = "u-boot-env",
  42                 .offset = 0x030000,
  43                 .size   = 0x010000,
  44                 .mask_flags = MTD_WRITEABLE,
  45         }, {
  46                 .name   = "factory",
  47                 .offset = 0x040000,
  48                 .size   = 0x010000,
  49                 .mask_flags = MTD_WRITEABLE,
  50         }, {
  51                 .name   = "kernel",
  52                 .offset = 0x050000,
  53                 .size   = 0x0b0000,
  54         }, {
  55                 .name   = "rootfs",
  56                 .offset = 0x100000,
  57                 .size   = 0x300000,
  58         }, {
  59                 .name   = "openwrt",
  60                 .offset = 0x050000,
  61                 .size   = 0x3b0000,
  62         }
  63 };
  64 #endif /* CONFIG_MTD_PARTITIONS */
  65
  66 static struct physmap_flash_data rt_n15_flash_data = {
  67 #ifdef CONFIG_MTD_PARTITIONS
  68         .nr_parts       = ARRAY_SIZE(rt_n15_partitions),
  69         .parts          = rt_n15_partitions,
  70 #endif
  71 };
  72
  73 static struct gpio_led rt_n15_leds_gpio[] __initdata = {
  74         {
  75                 .name           = "rt-n15:blue:power",
  76                 .gpio           = RT_N15_GPIO_LED_POWER,
  77                 .active_low     = 1,
  78         }
  79 };
  80
  81 static struct rtl8366s_platform_data rt_n15_rtl8366s_data = {
  82         .gpio_sda        = RT_N15_GPIO_RTL8366_SDA,
  83         .gpio_sck        = RT_N15_GPIO_RTL8366_SCK,
  84 };
  85
  86 static struct platform_device rt_n15_rtl8366s_device = {
  87         .name           = RTL8366S_DRIVER_NAME,
  88         .id             = -1,
  89         .dev = {
  90                 .platform_data  = &rt_n15_rtl8366s_data,
  91         }
  92 };
  93
  94 static void __init rt_n15_init(void)
  95 {
  96         rt288x_gpio_init(RT2880_GPIO_MODE_UART0 | RT2880_GPIO_MODE_I2C);
  97
  98         rt288x_register_flash(0, &rt_n15_flash_data);
  99
 100         ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n15_leds_gpio),
 101                                   rt_n15_leds_gpio);
 102
 103         platform_device_register(&rt_n15_rtl8366s_device);
 104 }
 105
 106 MIPS_MACHINE(RAMIPS_MACH_RT_N15, "RT-N15", "Asus RT-N15", rt_n15_init);