netspace_v2-setup.c

Go to the documentation of this file.

/*
 * arch/arm/mach-kirkwood/netspace_v2-setup.c
 *
 * LaCie Network Space v2 board setup
 *
 * Copyright (C) 2009 Simon Guinot <[email protected]>
 * Copyright (C) 2009 Benoît Canet <[email protected]>
 *
 * 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 <linux/platform_data/leds-kirkwood-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")
    .atag_offset    = 0x100,
    .init_machine   = netspace_v2_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_INETSPACE_V2
MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
    .atag_offset    = 0x100,
    .init_machine   = netspace_v2_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_NETSPACE_MAX_V2
MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
    .atag_offset    = 0x100,
    .init_machine   = netspace_v2_init,
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = kirkwood_init_irq,
    .timer      = &kirkwood_timer,
    .restart    = kirkwood_restart,
MACHINE_END
#endif