arch/arm/mach-kirkwood/d2net_v2-setup.c

   1 /*
   2  * arch/arm/mach-kirkwood/d2net_v2-setup.c
   3  *
   4  * LaCie d2 Network Space v2 Board Setup
   5  *
   6  * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/init.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/ata_platform.h>
  27 #include <linux/mv643xx_eth.h>
  28 #include <linux/input.h>
  29 #include <linux/gpio.h>
  30 #include <linux/gpio_keys.h>
  31 #include <linux/leds.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <mach/kirkwood.h>
  35 #include <linux/platform_data/leds-kirkwood-ns2.h>
  36 #include "common.h"
  37 #include "mpp.h"
  38 #include "lacie_v2-common.h"
  39
  40 /*****************************************************************************
  41  * Ethernet
  42  ****************************************************************************/
  43
  44 static struct mv643xx_eth_platform_data d2net_v2_ge00_data = {
  45         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  46 };
  47
  48 /*****************************************************************************
  49  * SATA
  50  ****************************************************************************/
  51
  52 static struct mv_sata_platform_data d2net_v2_sata_data = {
  53         .n_ports        = 2,
  54 };
  55
  56 /*****************************************************************************
  57  * GPIO keys
  58  ****************************************************************************/
  59
  60 #define D2NET_V2_GPIO_PUSH_BUTTON          34
  61 #define D2NET_V2_GPIO_POWER_SWITCH_ON      13
  62 #define D2NET_V2_GPIO_POWER_SWITCH_OFF     15
  63
  64 #define D2NET_V2_SWITCH_POWER_ON           0x1
  65 #define D2NET_V2_SWITCH_POWER_OFF          0x2
  66
  67 static struct gpio_keys_button d2net_v2_buttons[] = {
  68         [0] = {
  69                 .type           = EV_SW,
  70                 .code           = D2NET_V2_SWITCH_POWER_ON,
  71                 .gpio           = D2NET_V2_GPIO_POWER_SWITCH_ON,
  72                 .desc           = "Back power switch (on|auto)",
  73                 .active_low     = 0,
  74         },
  75         [1] = {
  76                 .type           = EV_SW,
  77                 .code           = D2NET_V2_SWITCH_POWER_OFF,
  78                 .gpio           = D2NET_V2_GPIO_POWER_SWITCH_OFF,
  79                 .desc           = "Back power switch (auto|off)",
  80                 .active_low     = 0,
  81         },
  82         [2] = {
  83                 .code           = KEY_POWER,
  84                 .gpio           = D2NET_V2_GPIO_PUSH_BUTTON,
  85                 .desc           = "Front Push Button",
  86                 .active_low     = 1,
  87         },
  88 };
  89
  90 static struct gpio_keys_platform_data d2net_v2_button_data = {
  91         .buttons        = d2net_v2_buttons,
  92         .nbuttons       = ARRAY_SIZE(d2net_v2_buttons),
  93 };
  94
  95 static struct platform_device d2net_v2_gpio_buttons = {
  96         .name           = "gpio-keys",
  97         .id             = -1,
  98         .dev            = {
  99                 .platform_data  = &d2net_v2_button_data,
 100         },
 101 };
 102
 103 /*****************************************************************************
 104  * GPIO LEDs
 105  ****************************************************************************/
 106
 107 #define D2NET_V2_GPIO_RED_LED           12
 108
 109 static struct gpio_led d2net_v2_gpio_led_pins[] = {
 110         {
 111                 .name   = "d2net_v2:red:fail",
 112                 .gpio   = D2NET_V2_GPIO_RED_LED,
 113         },
 114 };
 115
 116 static struct gpio_led_platform_data d2net_v2_gpio_leds_data = {
 117         .num_leds       = ARRAY_SIZE(d2net_v2_gpio_led_pins),
 118         .leds           = d2net_v2_gpio_led_pins,
 119 };
 120
 121 static struct platform_device d2net_v2_gpio_leds = {
 122         .name           = "leds-gpio",
 123         .id             = -1,
 124         .dev            = {
 125                 .platform_data  = &d2net_v2_gpio_leds_data,
 126         },
 127 };
 128
 129 /*****************************************************************************
 130  * Dual-GPIO CPLD LEDs
 131  ****************************************************************************/
 132
 133 #define D2NET_V2_GPIO_BLUE_LED_SLOW     29
 134 #define D2NET_V2_GPIO_BLUE_LED_CMD      30
 135
 136 static struct ns2_led d2net_v2_led_pins[] = {
 137         {
 138                 .name   = "d2net_v2:blue:sata",
 139                 .cmd    = D2NET_V2_GPIO_BLUE_LED_CMD,
 140                 .slow   = D2NET_V2_GPIO_BLUE_LED_SLOW,
 141         },
 142 };
 143
 144 static struct ns2_led_platform_data d2net_v2_leds_data = {
 145         .num_leds       = ARRAY_SIZE(d2net_v2_led_pins),
 146         .leds           = d2net_v2_led_pins,
 147 };
 148
 149 static struct platform_device d2net_v2_leds = {
 150         .name           = "leds-ns2",
 151         .id             = -1,
 152         .dev            = {
 153                 .platform_data  = &d2net_v2_leds_data,
 154         },
 155 };
 156
 157 /*****************************************************************************
 158  * General Setup
 159  ****************************************************************************/
 160
 161 static unsigned int d2net_v2_mpp_config[] __initdata = {
 162         MPP0_SPI_SCn,
 163         MPP1_SPI_MOSI,
 164         MPP2_SPI_SCK,
 165         MPP3_SPI_MISO,
 166         MPP6_SYSRST_OUTn,
 167         MPP7_GPO,               /* Request power-off */
 168         MPP8_TW0_SDA,
 169         MPP9_TW0_SCK,
 170         MPP10_UART0_TXD,
 171         MPP11_UART0_RXD,
 172         MPP12_GPO,              /* Red led */
 173         MPP13_GPIO,             /* Rear power switch (on|auto) */
 174         MPP14_GPIO,             /* USB fuse */
 175         MPP15_GPIO,             /* Rear power switch (auto|off) */
 176         MPP16_GPIO,             /* SATA 0 power */
 177         MPP21_SATA0_ACTn,
 178         MPP24_GPIO,             /* USB mode select */
 179         MPP26_GPIO,             /* USB device vbus */
 180         MPP28_GPIO,             /* USB enable host vbus */
 181         MPP29_GPIO,             /* Blue led (slow register) */
 182         MPP30_GPIO,             /* Blue led (command register) */
 183         MPP34_GPIO,             /* Power button (1 = Released, 0 = Pushed) */
 184         MPP35_GPIO,             /* Inhibit power-off */
 185         0
 186 };
 187
 188 #define D2NET_V2_GPIO_POWER_OFF         7
 189
 190 static void d2net_v2_power_off(void)
 191 {
 192         gpio_set_value(D2NET_V2_GPIO_POWER_OFF, 1);
 193 }
 194
 195 static void __init d2net_v2_init(void)
 196 {
 197         /*
 198          * Basic setup. Needs to be called early.
 199          */
 200         kirkwood_init();
 201         kirkwood_mpp_conf(d2net_v2_mpp_config);
 202
 203         lacie_v2_hdd_power_init(1);
 204
 205         kirkwood_ehci_init();
 206         kirkwood_ge00_init(&d2net_v2_ge00_data);
 207         kirkwood_sata_init(&d2net_v2_sata_data);
 208         kirkwood_uart0_init();
 209         lacie_v2_register_flash();
 210         lacie_v2_register_i2c_devices();
 211
 212         platform_device_register(&d2net_v2_leds);
 213         platform_device_register(&d2net_v2_gpio_leds);
 214         platform_device_register(&d2net_v2_gpio_buttons);
 215
 216         if (gpio_request(D2NET_V2_GPIO_POWER_OFF, "power-off") == 0 &&
 217             gpio_direction_output(D2NET_V2_GPIO_POWER_OFF, 0) == 0)
 218                 pm_power_off = d2net_v2_power_off;
 219         else
 220                 pr_err("d2net_v2: failed to configure power-off GPIO\n");
 221 }
 222
 223 MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
 224         .atag_offset    = 0x100,
 225         .init_machine   = d2net_v2_init,
 226         .map_io         = kirkwood_map_io,
 227         .init_early     = kirkwood_init_early,
 228         .init_irq       = kirkwood_init_irq,
 229         .init_time      = kirkwood_timer_init,
 230         .restart        = kirkwood_restart,
 231 MACHINE_END