board-mop500.c

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/*
 * Copyright (C) 2008-2009 ST-Ericsson
 *
 * Author: Srinidhi KASAGAR <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2, as
 * published by the Free Software Foundation.
 *
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/platform_data/i2c-nomadik.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl022.h>
#include <linux/amba/serial.h>
#include <linux/spi/spi.h>
#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/ab8500.h>
#include <linux/regulator/fixed.h>
#include <linux/mfd/tc3589x.h>
#include <linux/mfd/tps6105x.h>
#include <linux/mfd/abx500/ab8500-gpio.h>
#include <linux/mfd/abx500/ab8500-codec.h>
#include <linux/leds-lp5521.h>
#include <linux/input.h>
#include <linux/smsc911x.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/leds.h>
#include <linux/pinctrl/consumer.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>

#include <plat/ste_dma40.h>
#include <plat/gpio-nomadik.h>

#include <mach/hardware.h>
#include <mach/setup.h>
#include <mach/devices.h>
#include <mach/irqs.h>
#include <linux/platform_data/crypto-ux500.h>

#include "ste-dma40-db8500.h"
#include "devices-db8500.h"
#include "board-mop500.h"
#include "board-mop500-regulators.h"

static struct gpio_led snowball_led_array[] = {
    {
        .name = "user_led",
        .default_trigger = "heartbeat",
        .gpio = 142,
    },
};

static struct gpio_led_platform_data snowball_led_data = {
    .leds = snowball_led_array,
    .num_leds = ARRAY_SIZE(snowball_led_array),
};

static struct platform_device snowball_led_dev = {
    .name = "leds-gpio",
    .dev = {
        .platform_data = &snowball_led_data,
    },
};

static struct fixed_voltage_config snowball_gpio_en_3v3_data = {
       .supply_name            = "EN-3V3",
       .gpio                   = SNOWBALL_EN_3V3_ETH_GPIO,
       .microvolts             = 3300000,
       .enable_high            = 1,
       .init_data              = &gpio_en_3v3_regulator,
       .startup_delay          = 5000, /* 1200us */
};

static struct platform_device snowball_gpio_en_3v3_regulator_dev = {
       .name   = "reg-fixed-voltage",
       .id     = 1,
       .dev    = {
               .platform_data  = &snowball_gpio_en_3v3_data,
       },
};

static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
    .gpio_base      = MOP500_AB8500_PIN_GPIO(1),
    .irq_base       = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
    /* config_reg is the initial configuration of ab8500 pins.
     * The pins can be configured as GPIO or alt functions based
     * on value present in GpioSel1 to GpioSel6 and AlternatFunction
     * register. This is the array of 7 configuration settings.
     * One has to compile time decide these settings. Below is the
     * explanation of these setting
     * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
     * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
     * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
     * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
     * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
     * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
     * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
     * as GPIO then this register selectes the alternate fucntions
     */
    .config_reg     = {0x00, 0x1E, 0x80, 0x01,
                    0x7A, 0x00, 0x00},
};

/* ab8500-codec */
static struct ab8500_codec_platform_data ab8500_codec_pdata = {
    .amics =  {
        .mic1_type = AMIC_TYPE_DIFFERENTIAL,
        .mic2_type = AMIC_TYPE_DIFFERENTIAL,
        .mic1a_micbias = AMIC_MICBIAS_VAMIC1,
        .mic1b_micbias = AMIC_MICBIAS_VAMIC1,
        .mic2_micbias = AMIC_MICBIAS_VAMIC2
    },
    .ear_cmv = EAR_CMV_0_95V
};

static struct gpio_keys_button snowball_key_array[] = {
    {
        .gpio           = 32,
        .type           = EV_KEY,
        .code           = KEY_1,
        .desc           = "userpb",
        .active_low     = 1,
        .debounce_interval = 50,
        .wakeup         = 1,
    },
    {
        .gpio           = 151,
        .type           = EV_KEY,
        .code           = KEY_2,
        .desc           = "extkb1",
        .active_low     = 1,
        .debounce_interval = 50,
        .wakeup         = 1,
    },
    {
        .gpio           = 152,
        .type           = EV_KEY,
        .code           = KEY_3,
        .desc           = "extkb2",
        .active_low     = 1,
        .debounce_interval = 50,
        .wakeup         = 1,
    },
    {
        .gpio           = 161,
        .type           = EV_KEY,
        .code           = KEY_4,
        .desc           = "extkb3",
        .active_low     = 1,
        .debounce_interval = 50,
        .wakeup         = 1,
    },
    {
        .gpio           = 162,
        .type           = EV_KEY,
        .code           = KEY_5,
        .desc           = "extkb4",
        .active_low     = 1,
        .debounce_interval = 50,
        .wakeup         = 1,
    },
};

static struct gpio_keys_platform_data snowball_key_data = {
    .buttons        = snowball_key_array,
    .nbuttons       = ARRAY_SIZE(snowball_key_array),
};

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

static struct smsc911x_platform_config snowball_sbnet_cfg = {
    .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
    .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
    .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
    .shift = 1,
};

static struct resource sbnet_res[] = {
    {
        .name = "smsc911x-memory",
        .start = (0x5000 << 16),
        .end  =  (0x5000 << 16) + 0xffff,
        .flags = IORESOURCE_MEM,
    },
    {
        .start = NOMADIK_GPIO_TO_IRQ(140),
        .end = NOMADIK_GPIO_TO_IRQ(140),
        .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
    },
};

static struct platform_device snowball_sbnet_dev = {
    .name           = "smsc911x",
    .num_resources  = ARRAY_SIZE(sbnet_res),
    .resource       = sbnet_res,
    .dev            = {
        .platform_data = &snowball_sbnet_cfg,
    },
};

static struct ab8500_platform_data ab8500_platdata = {
    .irq_base   = MOP500_AB8500_IRQ_BASE,
    .regulator_reg_init = ab8500_regulator_reg_init,
    .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
    .regulator  = ab8500_regulators,
    .num_regulator  = ARRAY_SIZE(ab8500_regulators),
    .gpio       = &ab8500_gpio_pdata,
    .codec      = &ab8500_codec_pdata,
};

/*
 * TPS61052
 */

static struct tps6105x_platform_data mop500_tps61052_data = {
    .mode = TPS6105X_MODE_VOLTAGE,
    .regulator_data = &tps61052_regulator,
};

/*
 * TC35892
 */

static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
{
    struct device *parent = NULL;
#if 0
    /* FIXME: Is the sdi actually part of tc3589x? */
    parent = tc3589x->dev;
#endif
    mop500_sdi_tc35892_init(parent);
}

static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
    .gpio_base  = MOP500_EGPIO(0),
    .setup      = mop500_tc35892_init,
};

static struct tc3589x_platform_data mop500_tc35892_data = {
    .block      = TC3589x_BLOCK_GPIO,
    .gpio       = &mop500_tc35892_gpio_data,
    .irq_base   = MOP500_EGPIO_IRQ_BASE,
};

static struct lp5521_led_config lp5521_pri_led[] = {
       [0] = {
           .chan_nr = 0,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
       [1] = {
           .chan_nr = 1,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
       [2] = {
           .chan_nr = 2,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
};

static struct lp5521_platform_data __initdata lp5521_pri_data = {
       .label = "lp5521_pri",
       .led_config     = &lp5521_pri_led[0],
       .num_channels   = 3,
       .clock_mode     = LP5521_CLOCK_EXT,
};

static struct lp5521_led_config lp5521_sec_led[] = {
       [0] = {
           .chan_nr = 0,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
       [1] = {
           .chan_nr = 1,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
       [2] = {
           .chan_nr = 2,
           .led_current = 0x2f,
           .max_current = 0x5f,
       },
};

static struct lp5521_platform_data __initdata lp5521_sec_data = {
       .label = "lp5521_sec",
       .led_config     = &lp5521_sec_led[0],
       .num_channels   = 3,
       .clock_mode     = LP5521_CLOCK_EXT,
};

static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
    {
        I2C_BOARD_INFO("tc3589x", 0x42),
        .irq        = NOMADIK_GPIO_TO_IRQ(217),
        .platform_data  = &mop500_tc35892_data,
    },
    /* I2C0 devices only available prior to HREFv60 */
    {
        I2C_BOARD_INFO("tps61052", 0x33),
        .platform_data  = &mop500_tps61052_data,
    },
};

#define NUM_PRE_V60_I2C0_DEVICES 1

static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
    {
        /* lp5521 LED driver, 1st device */
        I2C_BOARD_INFO("lp5521", 0x33),
        .platform_data = &lp5521_pri_data,
    },
    {
        /* lp5521 LED driver, 2st device */
        I2C_BOARD_INFO("lp5521", 0x34),
        .platform_data = &lp5521_sec_data,
    },
    {
        /* Light sensor Rohm BH1780GLI */
        I2C_BOARD_INFO("bh1780", 0x29),
    },
};

static void __init mop500_i2c_init(struct device *parent)
{
    db8500_add_i2c0(parent, NULL);
    db8500_add_i2c1(parent, NULL);
    db8500_add_i2c2(parent, NULL);
    db8500_add_i2c3(parent, NULL);
}

static struct gpio_keys_button mop500_gpio_keys[] = {
    {
        .desc           = "SFH7741 Proximity Sensor",
        .type           = EV_SW,
        .code           = SW_FRONT_PROXIMITY,
        .active_low     = 0,
        .can_disable        = 1,
    }
};

static struct regulator *prox_regulator;
static int mop500_prox_activate(struct device *dev);
static void mop500_prox_deactivate(struct device *dev);

static struct gpio_keys_platform_data mop500_gpio_keys_data = {
    .buttons    = mop500_gpio_keys,
    .nbuttons   = ARRAY_SIZE(mop500_gpio_keys),
    .enable     = mop500_prox_activate,
    .disable    = mop500_prox_deactivate,
};

static struct platform_device mop500_gpio_keys_device = {
    .name   = "gpio-keys",
    .id = 0,
    .dev    = {
        .platform_data  = &mop500_gpio_keys_data,
    },
};

static int mop500_prox_activate(struct device *dev)
{
    prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
                        "vcc");
    if (IS_ERR(prox_regulator)) {
        dev_err(&mop500_gpio_keys_device.dev,
            "no regulator\n");
        return PTR_ERR(prox_regulator);
    }
    regulator_enable(prox_regulator);
    return 0;
}

static void mop500_prox_deactivate(struct device *dev)
{
    regulator_disable(prox_regulator);
    regulator_put(prox_regulator);
}

static struct cryp_platform_data u8500_cryp1_platform_data = {
        .mem_to_engine = {
                .dir = STEDMA40_MEM_TO_PERIPH,
                .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
                .dst_dev_type = DB8500_DMA_DEV48_CAC1_TX,
                .src_info.data_width = STEDMA40_WORD_WIDTH,
                .dst_info.data_width = STEDMA40_WORD_WIDTH,
                .mode = STEDMA40_MODE_LOGICAL,
                .src_info.psize = STEDMA40_PSIZE_LOG_4,
                .dst_info.psize = STEDMA40_PSIZE_LOG_4,
        },
        .engine_to_mem = {
                .dir = STEDMA40_PERIPH_TO_MEM,
                .src_dev_type = DB8500_DMA_DEV48_CAC1_RX,
                .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
                .src_info.data_width = STEDMA40_WORD_WIDTH,
                .dst_info.data_width = STEDMA40_WORD_WIDTH,
                .mode = STEDMA40_MODE_LOGICAL,
                .src_info.psize = STEDMA40_PSIZE_LOG_4,
                .dst_info.psize = STEDMA40_PSIZE_LOG_4,
        }
};

static struct stedma40_chan_cfg u8500_hash_dma_cfg_tx = {
        .dir = STEDMA40_MEM_TO_PERIPH,
        .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
        .dst_dev_type = DB8500_DMA_DEV50_HAC1_TX,
        .src_info.data_width = STEDMA40_WORD_WIDTH,
        .dst_info.data_width = STEDMA40_WORD_WIDTH,
        .mode = STEDMA40_MODE_LOGICAL,
        .src_info.psize = STEDMA40_PSIZE_LOG_16,
        .dst_info.psize = STEDMA40_PSIZE_LOG_16,
};

static struct hash_platform_data u8500_hash1_platform_data = {
        .mem_to_engine = &u8500_hash_dma_cfg_tx,
        .dma_filter = stedma40_filter,
};

/* add any platform devices here - TODO */
static struct platform_device *mop500_platform_devs[] __initdata = {
    &mop500_gpio_keys_device,
};

#ifdef CONFIG_STE_DMA40
static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_PERIPH_TO_MEM,
    .src_dev_type =  DB8500_DMA_DEV8_SSP0_RX,
    .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_MEM_TO_PERIPH,
    .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
    .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};
#endif

static struct pl022_ssp_controller ssp0_plat = {
    .bus_id = 0,
#ifdef CONFIG_STE_DMA40
    .enable_dma = 1,
    .dma_filter = stedma40_filter,
    .dma_rx_param = &ssp0_dma_cfg_rx,
    .dma_tx_param = &ssp0_dma_cfg_tx,
#else
    .enable_dma = 0,
#endif
    /* on this platform, gpio 31,142,144,214 &
     * 224 are connected as chip selects
     */
    .num_chipselect = 5,
};

static void __init mop500_spi_init(struct device *parent)
{
    db8500_add_ssp0(parent, &ssp0_plat);
}

#ifdef CONFIG_STE_DMA40
static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_PERIPH_TO_MEM,
    .src_dev_type =  DB8500_DMA_DEV13_UART0_RX,
    .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_MEM_TO_PERIPH,
    .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
    .dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_PERIPH_TO_MEM,
    .src_dev_type =  DB8500_DMA_DEV12_UART1_RX,
    .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_MEM_TO_PERIPH,
    .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
    .dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_PERIPH_TO_MEM,
    .src_dev_type =  DB8500_DMA_DEV11_UART2_RX,
    .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};

static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
    .mode = STEDMA40_MODE_LOGICAL,
    .dir = STEDMA40_MEM_TO_PERIPH,
    .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
    .dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
};
#endif

static struct amba_pl011_data uart0_plat = {
#ifdef CONFIG_STE_DMA40
    .dma_filter = stedma40_filter,
    .dma_rx_param = &uart0_dma_cfg_rx,
    .dma_tx_param = &uart0_dma_cfg_tx,
#endif
};

static struct amba_pl011_data uart1_plat = {
#ifdef CONFIG_STE_DMA40
    .dma_filter = stedma40_filter,
    .dma_rx_param = &uart1_dma_cfg_rx,
    .dma_tx_param = &uart1_dma_cfg_tx,
#endif
};

static struct amba_pl011_data uart2_plat = {
#ifdef CONFIG_STE_DMA40
    .dma_filter = stedma40_filter,
    .dma_rx_param = &uart2_dma_cfg_rx,
    .dma_tx_param = &uart2_dma_cfg_tx,
#endif
};

static void __init mop500_uart_init(struct device *parent)
{
    db8500_add_uart0(parent, &uart0_plat);
    db8500_add_uart1(parent, &uart1_plat);
    db8500_add_uart2(parent, &uart2_plat);
}

static void __init u8500_cryp1_hash1_init(struct device *parent)
{
    db8500_add_cryp1(parent, &u8500_cryp1_platform_data);
    db8500_add_hash1(parent, &u8500_hash1_platform_data);
}

static struct platform_device *snowball_platform_devs[] __initdata = {
    &snowball_led_dev,
    &snowball_key_dev,
    &snowball_sbnet_dev,
    &snowball_gpio_en_3v3_regulator_dev,
};

static void __init mop500_init_machine(void)
{
    struct device *parent = NULL;
    int i2c0_devs;
    int i;

    mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;

    mop500_pinmaps_init();
    parent = u8500_init_devices(&ab8500_platdata);

    for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
        mop500_platform_devs[i]->dev.parent = parent;

    platform_add_devices(mop500_platform_devs,
            ARRAY_SIZE(mop500_platform_devs));

    mop500_i2c_init(parent);
    mop500_sdi_init(parent);
    mop500_spi_init(parent);
    mop500_audio_init(parent);
    mop500_uart_init(parent);

    u8500_cryp1_hash1_init(parent);

    i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);

    i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
    i2c_register_board_info(2, mop500_i2c2_devices,
                ARRAY_SIZE(mop500_i2c2_devices));

    /* This board has full regulator constraints */
    regulator_has_full_constraints();

    mop500_uib_init();
}

static void __init snowball_init_machine(void)
{
    struct device *parent = NULL;
    int i;

    snowball_pinmaps_init();
    parent = u8500_init_devices(&ab8500_platdata);

    for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
        snowball_platform_devs[i]->dev.parent = parent;

    platform_add_devices(snowball_platform_devs,
            ARRAY_SIZE(snowball_platform_devs));

    mop500_i2c_init(parent);
    snowball_sdi_init(parent);
    mop500_spi_init(parent);
    mop500_audio_init(parent);
    mop500_uart_init(parent);

    /* This board has full regulator constraints */
    regulator_has_full_constraints();
}

static void __init hrefv60_init_machine(void)
{
    struct device *parent = NULL;
    int i2c0_devs;
    int i;

    /*
     * The HREFv60 board removed a GPIO expander and routed
     * all these GPIO pins to the internal GPIO controller
     * instead.
     */
    mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;

    hrefv60_pinmaps_init();
    parent = u8500_init_devices(&ab8500_platdata);

    for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
        mop500_platform_devs[i]->dev.parent = parent;

    platform_add_devices(mop500_platform_devs,
            ARRAY_SIZE(mop500_platform_devs));

    mop500_i2c_init(parent);
    hrefv60_sdi_init(parent);
    mop500_spi_init(parent);
    mop500_audio_init(parent);
    mop500_uart_init(parent);

    i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);

    i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;

    i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
    i2c_register_board_info(2, mop500_i2c2_devices,
                ARRAY_SIZE(mop500_i2c2_devices));

    /* This board has full regulator constraints */
    regulator_has_full_constraints();

    mop500_uib_init();
}

MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
    /* Maintainer: Srinidhi Kasagar <[email protected]> */
    .atag_offset    = 0x100,
    .smp        = smp_ops(ux500_smp_ops),
    .map_io     = u8500_map_io,
    .init_irq   = ux500_init_irq,
    /* we re-use nomadik timer here */
    .timer      = &ux500_timer,
    .handle_irq = gic_handle_irq,
    .init_machine   = mop500_init_machine,
    .init_late  = ux500_init_late,
MACHINE_END

MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
    .atag_offset    = 0x100,
    .smp        = smp_ops(ux500_smp_ops),
    .map_io     = u8500_map_io,
    .init_irq   = ux500_init_irq,
    .timer      = &ux500_timer,
    .handle_irq = gic_handle_irq,
    .init_machine   = hrefv60_init_machine,
    .init_late  = ux500_init_late,
MACHINE_END

MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
    .atag_offset    = 0x100,
    .smp        = smp_ops(ux500_smp_ops),
    .map_io     = u8500_map_io,
    .init_irq   = ux500_init_irq,
    /* we re-use nomadik timer here */
    .timer      = &ux500_timer,
    .handle_irq = gic_handle_irq,
    .init_machine   = snowball_init_machine,
    .init_late  = ux500_init_late,
MACHINE_END

#ifdef CONFIG_MACH_UX500_DT

struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
    /* Requires call-back bindings. */
    OF_DEV_AUXDATA("arm,cortex-a9-pmu", 0, "arm-pmu", &db8500_pmu_platdata),
    /* Requires DMA and call-back bindings. */
    OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
    OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
    OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
    /* Requires DMA bindings. */
    OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
    OF_DEV_AUXDATA("arm,pl18x", 0x80126000, "sdi0",  &mop500_sdi0_data),
    OF_DEV_AUXDATA("arm,pl18x", 0x80118000, "sdi1",  &mop500_sdi1_data),
    OF_DEV_AUXDATA("arm,pl18x", 0x80005000, "sdi2",  &mop500_sdi2_data),
    OF_DEV_AUXDATA("arm,pl18x", 0x80114000, "sdi4",  &mop500_sdi4_data),
    /* Requires clock name bindings. */
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e000, "gpio.0", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e080, "gpio.1", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e000, "gpio.2", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e080, "gpio.3", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e100, "gpio.4", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e180, "gpio.5", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e000, "gpio.6", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e080, "gpio.7", NULL),
    OF_DEV_AUXDATA("st,nomadik-gpio", 0xa03fe000, "gpio.8", NULL),
    OF_DEV_AUXDATA("st,nomadik-i2c", 0x80004000, "nmk-i2c.0", NULL),
    OF_DEV_AUXDATA("st,nomadik-i2c", 0x80122000, "nmk-i2c.1", NULL),
    OF_DEV_AUXDATA("st,nomadik-i2c", 0x80128000, "nmk-i2c.2", NULL),
    OF_DEV_AUXDATA("st,nomadik-i2c", 0x80110000, "nmk-i2c.3", NULL),
    OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL),
    /* Requires device name bindings. */
    OF_DEV_AUXDATA("stericsson,nmk_pinctrl", 0, "pinctrl-db8500", NULL),
    /* Requires clock name and DMA bindings. */
    OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80123000,
        "ux500-msp-i2s.0", &msp0_platform_data),
    OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80124000,
        "ux500-msp-i2s.1", &msp1_platform_data),
    OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80117000,
        "ux500-msp-i2s.2", &msp2_platform_data),
    OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80125000,
        "ux500-msp-i2s.3", &msp3_platform_data),
    {},
};

static const struct of_device_id u8500_local_bus_nodes[] = {
    /* only create devices below soc node */
    { .compatible = "stericsson,db8500", },
    { .compatible = "stericsson,db8500-prcmu", },
    { .compatible = "simple-bus"},
    { },
};

static void __init u8500_init_machine(void)
{
    struct device *parent = NULL;
    int i2c0_devs;
    int i;

    /* Pinmaps must be in place before devices register */
    if (of_machine_is_compatible("st-ericsson,mop500"))
        mop500_pinmaps_init();
    else if (of_machine_is_compatible("calaosystems,snowball-a9500"))
        snowball_pinmaps_init();
    else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
        hrefv60_pinmaps_init();

    parent = u8500_of_init_devices();

    for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
        mop500_platform_devs[i]->dev.parent = parent;

    /* automatically probe child nodes of db8500 device */
    of_platform_populate(NULL, u8500_local_bus_nodes, u8500_auxdata_lookup, parent);

    if (of_machine_is_compatible("st-ericsson,mop500")) {
        mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;

        platform_add_devices(mop500_platform_devs,
                ARRAY_SIZE(mop500_platform_devs));

        mop500_sdi_init(parent);
        mop500_audio_init(parent);
        i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
        i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
        i2c_register_board_info(2, mop500_i2c2_devices,
                    ARRAY_SIZE(mop500_i2c2_devices));

        mop500_uib_init();

    } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
        mop500_of_audio_init(parent);
    } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) {
        /*
         * The HREFv60 board removed a GPIO expander and routed
         * all these GPIO pins to the internal GPIO controller
         * instead.
         */
        mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
        platform_add_devices(mop500_platform_devs,
                ARRAY_SIZE(mop500_platform_devs));

        mop500_uib_init();
    }

    /* This board has full regulator constraints */
    regulator_has_full_constraints();
}

static const char * u8500_dt_board_compat[] = {
    "calaosystems,snowball-a9500",
    "st-ericsson,hrefv60+",
    "st-ericsson,u8500",
    "st-ericsson,mop500",
    NULL,
};


DT_MACHINE_START(U8500_DT, "ST-Ericsson U8500 platform (Device Tree Support)")
    .smp        = smp_ops(ux500_smp_ops),
    .map_io     = u8500_map_io,
    .init_irq   = ux500_init_irq,
    /* we re-use nomadik timer here */
    .timer      = &ux500_timer,
    .handle_irq = gic_handle_irq,
    .init_machine   = u8500_init_machine,
    .init_late  = ux500_init_late,
    .dt_compat      = u8500_dt_board_compat,
MACHINE_END
#endif