tavorevb3.c

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/*
 *  linux/arch/arm/mach-pxa/tavorevb3.c
 *
 *  Support for the Marvell EVB3 Development Platform.
 *
 *  Copyright:  (C) Copyright 2008-2010 Marvell International Ltd.
 *
 *  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
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/gpio.h>
#include <linux/mfd/88pm860x.h>

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

#include <mach/pxa930.h>

#include "devices.h"
#include "generic.h"

#define TAVOREVB3_NR_IRQS   (IRQ_BOARD_START + 24)

static mfp_cfg_t evb3_mfp_cfg[] __initdata = {
    /* UART */
    GPIO53_UART1_TXD,
    GPIO54_UART1_RXD,

    /* PMIC */
    PMIC_INT_GPIO83,
};

#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct pm860x_touch_pdata evb3_touch = {
    .gpadc_prebias  = 1,
    .slot_cycle = 1,
    .tsi_prebias    = 6,
    .pen_prebias    = 16,
    .pen_prechg = 2,
    .res_x      = 300,
};

static struct pm860x_backlight_pdata evb3_backlight[] = {
    {
        .id = PM8606_ID_BACKLIGHT,
        .iset   = PM8606_WLED_CURRENT(24),
        .flags  = PM8606_BACKLIGHT1,
    },
    {},
};

static struct pm860x_led_pdata evb3_led[] = {
    {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED1_RED,
    }, {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED1_GREEN,
    }, {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED1_BLUE,
    }, {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED2_RED,
    }, {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED2_GREEN,
    }, {
        .id = PM8606_ID_LED,
        .iset   = PM8606_LED_CURRENT(12),
        .flags  = PM8606_LED2_BLUE,
    },
};

static struct pm860x_platform_data evb3_pm8607_info = {
    .touch              = &evb3_touch,
    .backlight          = &evb3_backlight[0],
    .led                = &evb3_led[0],
    .companion_addr         = 0x10,
    .irq_mode           = 0,
    .irq_base           = IRQ_BOARD_START,

    .i2c_port           = GI2C_PORT,
};

static struct i2c_board_info evb3_i2c_info[] = {
    {
        .type       = "88PM860x",
        .addr       = 0x34,
        .platform_data  = &evb3_pm8607_info,
        .irq        = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
    },
};

static void __init evb3_init_i2c(void)
{
    pxa_set_i2c_info(NULL);
    i2c_register_board_info(0, ARRAY_AND_SIZE(evb3_i2c_info));
}
#else
static inline void evb3_init_i2c(void) {}
#endif

static void __init evb3_init(void)
{
    /* initialize MFP configurations */
    pxa3xx_mfp_config(ARRAY_AND_SIZE(evb3_mfp_cfg));

    pxa_set_ffuart_info(NULL);

    evb3_init_i2c();
}

MACHINE_START(TAVOREVB3, "PXA950 Evaluation Board (aka TavorEVB3)")
    .atag_offset    = 0x100,
    .map_io         = pxa3xx_map_io,
    .nr_irqs    = TAVOREVB3_NR_IRQS,
    .init_irq       = pxa3xx_init_irq,
    .handle_irq       = pxa3xx_handle_irq,
    .timer          = &pxa_timer,
    .init_machine   = evb3_init,
    .restart    = pxa_restart,
MACHINE_END