devices-rsk7203.c

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/*
 * Renesas Technology Europe RSK+ 7203 Support.
 *
 * Copyright (C) 2008 - 2010  Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <cpu/sh7203.h>

static struct smsc911x_platform_config smsc911x_config = {
    .phy_interface  = PHY_INTERFACE_MODE_MII,
    .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type   = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
    .flags      = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
};

static struct resource smsc911x_resources[] = {
    [0] = {
        .start      = 0x24000000,
        .end        = 0x240000ff,
        .flags      = IORESOURCE_MEM,
    },
    [1] = {
        .start      = 64,
        .end        = 64,
        .flags      = IORESOURCE_IRQ,
    },
};

static struct platform_device smsc911x_device = {
    .name       = "smsc911x",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(smsc911x_resources),
    .resource   = smsc911x_resources,
    .dev        = {
        .platform_data = &smsc911x_config,
    },
};

static struct gpio_led rsk7203_gpio_leds[] = {
    {
        .name           = "green",
        .gpio           = GPIO_PE10,
        .active_low     = 1,
    }, {
        .name           = "orange",
        .default_trigger    = "nand-disk",
        .gpio           = GPIO_PE12,
        .active_low     = 1,
    }, {
        .name           = "red:timer",
        .default_trigger    = "timer",
        .gpio           = GPIO_PC14,
        .active_low     = 1,
    }, {
        .name           = "red:heartbeat",
        .default_trigger    = "heartbeat",
        .gpio           = GPIO_PE11,
        .active_low     = 1,
    },
};

static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
    .leds       = rsk7203_gpio_leds,
    .num_leds   = ARRAY_SIZE(rsk7203_gpio_leds),
};

static struct platform_device led_device = {
    .name       = "leds-gpio",
    .id     = -1,
    .dev        = {
        .platform_data  = &rsk7203_gpio_leds_info,
    },
};

static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
    {
        .code       = BTN_0,
        .gpio       = GPIO_PB0,
        .active_low = 1,
        .desc       = "SW1",
    }, {
        .code       = BTN_1,
        .gpio       = GPIO_PB1,
        .active_low = 1,
        .desc       = "SW2",
    }, {
        .code       = BTN_2,
        .gpio       = GPIO_PB2,
        .active_low = 1,
        .desc       = "SW3",
    },
};

static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
    .buttons    = rsk7203_gpio_keys_table,
    .nbuttons   = ARRAY_SIZE(rsk7203_gpio_keys_table),
    .poll_interval  = 50, /* default to 50ms */
};

static struct platform_device keys_device = {
    .name       = "gpio-keys-polled",
    .dev        = {
        .platform_data  = &rsk7203_gpio_keys_info,
    },
};

static struct platform_device *rsk7203_devices[] __initdata = {
    &smsc911x_device,
    &led_device,
    &keys_device,
};

static int __init rsk7203_devices_setup(void)
{
    /* Select pins for SCIF0 */
    gpio_request(GPIO_FN_TXD0, NULL);
    gpio_request(GPIO_FN_RXD0, NULL);

    /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
    __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
    gpio_request(GPIO_FN_IRQ0_PB, NULL);

    return platform_add_devices(rsk7203_devices,
                    ARRAY_SIZE(rsk7203_devices));
}
device_initcall(rsk7203_devices_setup);