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netspace_v2-setup.c

/*
 * arch/arm/mach-kirkwood/netspace_v2-setup.c
 *
 * LaCie Network Space v2 board setup
 *
 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
 * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <linux/gpio-fan.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <mach/leds-ns2.h>
#include "common.h"
#include "mpp.h"
#include "lacie_v2-common.h"

/*****************************************************************************
 * Ethernet
 ****************************************************************************/

static struct mv643xx_eth_platform_data netspace_v2_ge00_data = {
      .phy_addr   = MV643XX_ETH_PHY_ADDR(8),
};

/*****************************************************************************
 * SATA
 ****************************************************************************/

static struct mv_sata_platform_data netspace_v2_sata_data = {
      .n_ports    = 2,
};

/*****************************************************************************
 * GPIO keys
 ****************************************************************************/

#define NETSPACE_V2_PUSH_BUTTON           32

static struct gpio_keys_button netspace_v2_buttons[] = {
      [0] = {
            .code       = KEY_POWER,
            .gpio       = NETSPACE_V2_PUSH_BUTTON,
            .desc       = "Power push button",
            .active_low = 0,
      },
};

static struct gpio_keys_platform_data netspace_v2_button_data = {
      .buttons    = netspace_v2_buttons,
      .nbuttons   = ARRAY_SIZE(netspace_v2_buttons),
};

static struct platform_device netspace_v2_gpio_buttons = {
      .name       = "gpio-keys",
      .id         = -1,
      .dev        = {
            .platform_data    = &netspace_v2_button_data,
      },
};

/*****************************************************************************
 * GPIO LEDs
 ****************************************************************************/

#define NETSPACE_V2_GPIO_RED_LED    12

static struct gpio_led netspace_v2_gpio_led_pins[] = {
      {
            .name = "ns_v2:red:fail",
            .gpio = NETSPACE_V2_GPIO_RED_LED,
      },
};

static struct gpio_led_platform_data netspace_v2_gpio_leds_data = {
      .num_leds   = ARRAY_SIZE(netspace_v2_gpio_led_pins),
      .leds       = netspace_v2_gpio_led_pins,
};

static struct platform_device netspace_v2_gpio_leds = {
      .name       = "leds-gpio",
      .id         = -1,
      .dev        = {
            .platform_data    = &netspace_v2_gpio_leds_data,
      },
};

/*****************************************************************************
 * Dual-GPIO CPLD LEDs
 ****************************************************************************/

#define NETSPACE_V2_GPIO_BLUE_LED_SLOW    29
#define NETSPACE_V2_GPIO_BLUE_LED_CMD     30

static struct ns2_led netspace_v2_led_pins[] = {
      {
            .name = "ns_v2:blue:sata",
            .cmd  = NETSPACE_V2_GPIO_BLUE_LED_CMD,
            .slow = NETSPACE_V2_GPIO_BLUE_LED_SLOW,
      },
};

static struct ns2_led_platform_data netspace_v2_leds_data = {
      .num_leds   = ARRAY_SIZE(netspace_v2_led_pins),
      .leds       = netspace_v2_led_pins,
};

static struct platform_device netspace_v2_leds = {
      .name       = "leds-ns2",
      .id         = -1,
      .dev        = {
            .platform_data    = &netspace_v2_leds_data,
      },
};

/*****************************************************************************
 * GPIO fan
 ****************************************************************************/

/* Designed for fan 40x40x16: ADDA AD0412LB-D50 6000rpm@12v */
static struct gpio_fan_speed netspace_max_v2_fan_speed[] = {
      {    0,  0 },
      { 1500,     15 },
      { 1700,     14 },
      { 1800,     13 },
      { 2100,     12 },
      { 3100,     11 },
      { 3300,     10 },
      { 4300,      9 },
      { 5500,      8 },
};

static unsigned netspace_max_v2_fan_ctrl[] = { 22, 7, 33, 23 };

static struct gpio_fan_alarm netspace_max_v2_fan_alarm = {
      .gpio       = 25,
      .active_low = 1,
};

static struct gpio_fan_platform_data netspace_max_v2_fan_data = {
      .num_ctrl   = ARRAY_SIZE(netspace_max_v2_fan_ctrl),
      .ctrl       = netspace_max_v2_fan_ctrl,
      .alarm            = &netspace_max_v2_fan_alarm,
      .num_speed  = ARRAY_SIZE(netspace_max_v2_fan_speed),
      .speed            = netspace_max_v2_fan_speed,
};

static struct platform_device netspace_max_v2_gpio_fan = {
      .name = "gpio-fan",
      .id   = -1,
      .dev  = {
            .platform_data    = &netspace_max_v2_fan_data,
      },
};

/*****************************************************************************
 * General Setup
 ****************************************************************************/

static unsigned int netspace_v2_mpp_config[] __initdata = {
      MPP0_SPI_SCn,
      MPP1_SPI_MOSI,
      MPP2_SPI_SCK,
      MPP3_SPI_MISO,
      MPP4_NF_IO6,
      MPP5_NF_IO7,
      MPP6_SYSRST_OUTn,
      MPP7_GPO,         /* Fan speed (bit 1) */
      MPP8_TW0_SDA,
      MPP9_TW0_SCK,
      MPP10_UART0_TXD,
      MPP11_UART0_RXD,
      MPP12_GPO,        /* Red led */
      MPP14_GPIO,       /* USB fuse */
      MPP16_GPIO,       /* SATA 0 power */
      MPP17_GPIO,       /* SATA 1 power */
      MPP18_NF_IO0,
      MPP19_NF_IO1,
      MPP20_SATA1_ACTn,
      MPP21_SATA0_ACTn,
      MPP22_GPIO,       /* Fan speed (bit 0) */
      MPP23_GPIO,       /* Fan power */
      MPP24_GPIO,       /* USB mode select */
      MPP25_GPIO,       /* Fan rotation fail */
      MPP26_GPIO,       /* USB device vbus */
      MPP28_GPIO,       /* USB enable host vbus */
      MPP29_GPIO,       /* Blue led (slow register) */
      MPP30_GPIO,       /* Blue led (command register) */
      MPP31_GPIO,       /* Board power off */
      MPP32_GPIO,             /* Power button (0 = Released, 1 = Pushed) */
      MPP33_GPO,        /* Fan speed (bit 2) */
      0
};

#define NETSPACE_V2_GPIO_POWER_OFF  31

static void netspace_v2_power_off(void)
{
      gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1);
}

static void __init netspace_v2_init(void)
{
      /*
       * Basic setup. Needs to be called early.
       */
      kirkwood_init();
      kirkwood_mpp_conf(netspace_v2_mpp_config);

      if (machine_is_netspace_max_v2())
            lacie_v2_hdd_power_init(2);
      else
            lacie_v2_hdd_power_init(1);

      kirkwood_ehci_init();
      kirkwood_ge00_init(&netspace_v2_ge00_data);
      kirkwood_sata_init(&netspace_v2_sata_data);
      kirkwood_uart0_init();
      lacie_v2_register_flash();
      lacie_v2_register_i2c_devices();

      platform_device_register(&netspace_v2_leds);
      platform_device_register(&netspace_v2_gpio_leds);
      platform_device_register(&netspace_v2_gpio_buttons);
      if (machine_is_netspace_max_v2())
            platform_device_register(&netspace_max_v2_gpio_fan);

      if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
          gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)
            pm_power_off = netspace_v2_power_off;
      else
            pr_err("netspace_v2: failed to configure power-off GPIO\n");
}

#ifdef CONFIG_MACH_NETSPACE_V2
MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
      .boot_params      = 0x00000100,
      .init_machine     = netspace_v2_init,
      .map_io           = kirkwood_map_io,
      .init_irq   = kirkwood_init_irq,
      .timer            = &kirkwood_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_INETSPACE_V2
MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
      .boot_params      = 0x00000100,
      .init_machine     = netspace_v2_init,
      .map_io           = kirkwood_map_io,
      .init_irq   = kirkwood_init_irq,
      .timer            = &kirkwood_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_NETSPACE_MAX_V2
MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
      .boot_params      = 0x00000100,
      .init_machine     = netspace_v2_init,
      .map_io           = kirkwood_map_io,
      .init_irq   = kirkwood_init_irq,
      .timer            = &kirkwood_timer,
MACHINE_END
#endif

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