arch/arm/mach-kirkwood/board-ib62x0.c

   1 /*
   2  * Copyright 2012 (C), Simon Baatz <gmbnomis@gmail.com>
   3  *
   4  * arch/arm/mach-kirkwood/board-ib62x0.c
   5  *
   6  * RaidSonic ICY BOX IB-NAS6210 & IB-NAS6220 init for drivers not
   7  * converted to flattened device tree yet.
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/partitions.h>
  18 #include <linux/ata_platform.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/gpio.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/leds.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <mach/kirkwood.h>
  27 #include "common.h"
  28 #include "mpp.h"
  29
  30 #define IB62X0_GPIO_POWER_OFF   24
  31
  32 static struct mv643xx_eth_platform_data ib62x0_ge00_data = {
  33         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  34 };
  35
  36 static struct mv_sata_platform_data ib62x0_sata_data = {
  37         .n_ports        = 2,
  38 };
  39
  40 static unsigned int ib62x0_mpp_config[] __initdata = {
  41         MPP0_NF_IO2,
  42         MPP1_NF_IO3,
  43         MPP2_NF_IO4,
  44         MPP3_NF_IO5,
  45         MPP4_NF_IO6,
  46         MPP5_NF_IO7,
  47         MPP18_NF_IO0,
  48         MPP19_NF_IO1,
  49         MPP22_GPIO,     /* OS LED red */
  50         MPP24_GPIO,     /* Power off device */
  51         MPP25_GPIO,     /* OS LED green */
  52         MPP27_GPIO,     /* USB transfer LED */
  53         MPP28_GPIO,     /* Reset button */
  54         MPP29_GPIO,     /* USB Copy button */
  55         0
  56 };
  57
  58 static struct gpio_led ib62x0_led_pins[] = {
  59         {
  60                 .name                   = "ib62x0:green:os",
  61                 .default_trigger        = "default-on",
  62                 .gpio                   = 25,
  63                 .active_low             = 0,
  64         },
  65         {
  66                 .name                   = "ib62x0:red:os",
  67                 .default_trigger        = "none",
  68                 .gpio                   = 22,
  69                 .active_low             = 0,
  70         },
  71         {
  72                 .name                   = "ib62x0:red:usb_copy",
  73                 .default_trigger        = "none",
  74                 .gpio                   = 27,
  75                 .active_low             = 0,
  76         },
  77 };
  78
  79 static struct gpio_led_platform_data ib62x0_led_data = {
  80         .leds           = ib62x0_led_pins,
  81         .num_leds       = ARRAY_SIZE(ib62x0_led_pins),
  82 };
  83
  84 static struct platform_device ib62x0_led_device = {
  85         .name   = "leds-gpio",
  86         .id     = -1,
  87         .dev    = {
  88                 .platform_data  = &ib62x0_led_data,
  89         }
  90 };
  91
  92 static struct gpio_keys_button ib62x0_button_pins[] = {
  93         {
  94                 .code           = KEY_COPY,
  95                 .gpio           = 29,
  96                 .desc           = "USB Copy",
  97                 .active_low     = 1,
  98         },
  99         {
 100                 .code           = KEY_RESTART,
 101                 .gpio           = 28,
 102                 .desc           = "Reset",
 103                 .active_low     = 1,
 104         },
 105 };
 106
 107 static struct gpio_keys_platform_data ib62x0_button_data = {
 108         .buttons        = ib62x0_button_pins,
 109         .nbuttons       = ARRAY_SIZE(ib62x0_button_pins),
 110 };
 111
 112 static struct platform_device ib62x0_button_device = {
 113         .name           = "gpio-keys",
 114         .id             = -1,
 115         .num_resources  = 0,
 116         .dev            = {
 117                 .platform_data  = &ib62x0_button_data,
 118         }
 119 };
 120
 121 static void ib62x0_power_off(void)
 122 {
 123         gpio_set_value(IB62X0_GPIO_POWER_OFF, 1);
 124 }
 125
 126 void __init ib62x0_init(void)
 127 {
 128         /*
 129          * Basic setup. Needs to be called early.
 130          */
 131         kirkwood_mpp_conf(ib62x0_mpp_config);
 132
 133         kirkwood_ehci_init();
 134         kirkwood_ge00_init(&ib62x0_ge00_data);
 135         kirkwood_sata_init(&ib62x0_sata_data);
 136         platform_device_register(&ib62x0_led_device);
 137         platform_device_register(&ib62x0_button_device);
 138         if (gpio_request(IB62X0_GPIO_POWER_OFF, "ib62x0:power:off") == 0 &&
 139             gpio_direction_output(IB62X0_GPIO_POWER_OFF, 0) == 0)
 140                 pm_power_off = ib62x0_power_off;
 141         else
 142                 pr_err("board-ib62x0: failed to configure power-off GPIO\n");
 143 }