ttc_dkb.c

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/*
 *  linux/arch/arm/mach-mmp/ttc_dkb.c
 *
 *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
 *
 *  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/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <linux/interrupt.h>
#include <linux/i2c/pca953x.h>
#include <linux/gpio.h>
#include <linux/mfd/88pm860x.h>
#include <linux/platform_data/mv_usb.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>
#include <mach/irqs.h>
#include <mach/regs-usb.h>

#include "common.h"

#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
                ((x < 16) ? x : 15)))
#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
                ((x < 16) ? x : 15)))

/*
 * 16 board interrupts -- MAX7312 GPIO expander
 * 16 board interrupts -- PCA9575 GPIO expander
 * 24 board interrupts -- 88PM860x PMIC
 */
#define TTCDKB_NR_IRQS      (MMP_NR_IRQS + 16 + 16 + 24)

static unsigned long ttc_dkb_pin_config[] __initdata = {
    /* UART2 */
    GPIO47_UART2_RXD,
    GPIO48_UART2_TXD,

    /* DFI */
    DF_IO0_ND_IO0,
    DF_IO1_ND_IO1,
    DF_IO2_ND_IO2,
    DF_IO3_ND_IO3,
    DF_IO4_ND_IO4,
    DF_IO5_ND_IO5,
    DF_IO6_ND_IO6,
    DF_IO7_ND_IO7,
    DF_IO8_ND_IO8,
    DF_IO9_ND_IO9,
    DF_IO10_ND_IO10,
    DF_IO11_ND_IO11,
    DF_IO12_ND_IO12,
    DF_IO13_ND_IO13,
    DF_IO14_ND_IO14,
    DF_IO15_ND_IO15,
    DF_nCS0_SM_nCS2_nCS0,
    DF_ALE_SM_WEn_ND_ALE,
    DF_CLE_SM_OEn_ND_CLE,
    DF_WEn_DF_WEn,
    DF_REn_DF_REn,
    DF_RDY0_DF_RDY0,
};

static struct mtd_partition ttc_dkb_onenand_partitions[] = {
    {
        .name       = "bootloader",
        .offset     = 0,
        .size       = SZ_1M,
        .mask_flags = MTD_WRITEABLE,
    }, {
        .name       = "reserved",
        .offset     = MTDPART_OFS_APPEND,
        .size       = SZ_128K,
        .mask_flags = MTD_WRITEABLE,
    }, {
        .name       = "reserved",
        .offset     = MTDPART_OFS_APPEND,
        .size       = SZ_8M,
        .mask_flags = MTD_WRITEABLE,
    }, {
        .name       = "kernel",
        .offset     = MTDPART_OFS_APPEND,
        .size       = (SZ_2M + SZ_1M),
        .mask_flags = 0,
    }, {
        .name       = "filesystem",
        .offset     = MTDPART_OFS_APPEND,
        .size       = SZ_32M + SZ_16M,
        .mask_flags = 0,
    }
};

static struct onenand_platform_data ttc_dkb_onenand_info = {
    .parts      = ttc_dkb_onenand_partitions,
    .nr_parts   = ARRAY_SIZE(ttc_dkb_onenand_partitions),
};

static struct resource ttc_dkb_resource_onenand[] = {
    [0] = {
        .start  = SMC_CS0_PHYS_BASE,
        .end    = SMC_CS0_PHYS_BASE + SZ_1M,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device ttc_dkb_device_onenand = {
    .name       = "onenand-flash",
    .id     = -1,
    .resource   = ttc_dkb_resource_onenand,
    .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
    .dev        = {
        .platform_data  = &ttc_dkb_onenand_info,
    },
};

static struct platform_device *ttc_dkb_devices[] = {
    &pxa910_device_gpio,
    &pxa910_device_rtc,
    &ttc_dkb_device_onenand,
};

static struct pca953x_platform_data max7312_data[] = {
    {
        .gpio_base  = TTCDKB_GPIO_EXT0(0),
        .irq_base   = MMP_NR_IRQS,
    },
};

static struct pm860x_platform_data ttc_dkb_pm8607_info = {
    .irq_base       = IRQ_BOARD_START,
};

static struct i2c_board_info ttc_dkb_i2c_info[] = {
    {
        .type           = "88PM860x",
        .addr           = 0x34,
        .platform_data  = &ttc_dkb_pm8607_info,
        .irq            = IRQ_PXA910_PMIC_INT,
    },
    {
        .type       = "max7312",
        .addr       = 0x23,
        .irq        = MMP_GPIO_TO_IRQ(80),
        .platform_data  = &max7312_data,
    },
};

#ifdef CONFIG_USB_SUPPORT
#if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)

static char *pxa910_usb_clock_name[] = {
    [0] = "U2OCLK",
};

static struct mv_usb_platform_data ttc_usb_pdata = {
    .clknum     = 1,
    .clkname    = pxa910_usb_clock_name,
    .vbus       = NULL,
    .mode       = MV_USB_MODE_OTG,
    .otg_force_a_bus_req = 1,
    .phy_init   = pxa_usb_phy_init,
    .phy_deinit = pxa_usb_phy_deinit,
    .set_vbus   = NULL,
};
#endif
#endif

#ifdef CONFIG_MTD_NAND_PXA3xx
static struct pxa3xx_nand_platform_data dkb_nand_info = {
    .enable_arbiter = 1,
    .num_cs = 1,
};
#endif

static void __init ttc_dkb_init(void)
{
    mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));

    /* on-chip devices */
    pxa910_add_uart(1);
#ifdef CONFIG_MTD_NAND_PXA3xx
    pxa910_add_nand(&dkb_nand_info);
#endif

    /* off-chip devices */
    pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
    platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));

#ifdef CONFIG_USB_MV_UDC
    pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
    platform_device_register(&pxa168_device_u2o);
#endif

#ifdef CONFIG_USB_EHCI_MV_U2O
    pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
    platform_device_register(&pxa168_device_u2oehci);
#endif

#ifdef CONFIG_USB_MV_OTG
    pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
    platform_device_register(&pxa168_device_u2ootg);
#endif
}

MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
    .map_io     = mmp_map_io,
    .nr_irqs    = TTCDKB_NR_IRQS,
    .init_irq       = pxa910_init_irq,
    .timer          = &pxa910_timer,
    .init_machine   = ttc_dkb_init,
    .restart    = mmp_restart,
MACHINE_END