littleton.c

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/*
 *  linux/arch/arm/mach-pxa/littleton.c
 *
 *  Support for the Marvell Littleton Development Platform.
 *
 *  Author: Jason Chagas (largely modified code)
 *  Created:    Nov 20, 2006
 *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
 *
 *  2007-11-22  modified to align with latest kernel
 *              eric miao <[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
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/smc91x.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/mfd/da903x.h>
#include <linux/i2c/max732x.h>
#include <linux/i2c/pxa-i2c.h>

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/pxa300.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <mach/littleton.h>
#include <linux/platform_data/mtd-nand-pxa3xx.h>

#include "generic.h"

#define GPIO_MMC1_CARD_DETECT   mfp_to_gpio(MFP_PIN_GPIO15)

/* Littleton MFP configurations */
static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
    /* LCD */
    GPIO54_LCD_LDD_0,
    GPIO55_LCD_LDD_1,
    GPIO56_LCD_LDD_2,
    GPIO57_LCD_LDD_3,
    GPIO58_LCD_LDD_4,
    GPIO59_LCD_LDD_5,
    GPIO60_LCD_LDD_6,
    GPIO61_LCD_LDD_7,
    GPIO62_LCD_LDD_8,
    GPIO63_LCD_LDD_9,
    GPIO64_LCD_LDD_10,
    GPIO65_LCD_LDD_11,
    GPIO66_LCD_LDD_12,
    GPIO67_LCD_LDD_13,
    GPIO68_LCD_LDD_14,
    GPIO69_LCD_LDD_15,
    GPIO70_LCD_LDD_16,
    GPIO71_LCD_LDD_17,
    GPIO72_LCD_FCLK,
    GPIO73_LCD_LCLK,
    GPIO74_LCD_PCLK,
    GPIO75_LCD_BIAS,

    /* SSP2 */
    GPIO25_SSP2_SCLK,
    GPIO27_SSP2_TXD,
    GPIO17_GPIO,    /* SFRM as chip-select */

    /* Debug Ethernet */
    GPIO90_GPIO,

    /* Keypad */
    GPIO107_KP_DKIN_0,
    GPIO108_KP_DKIN_1,
    GPIO115_KP_MKIN_0,
    GPIO116_KP_MKIN_1,
    GPIO117_KP_MKIN_2,
    GPIO118_KP_MKIN_3,
    GPIO119_KP_MKIN_4,
    GPIO120_KP_MKIN_5,
    GPIO121_KP_MKOUT_0,
    GPIO122_KP_MKOUT_1,
    GPIO123_KP_MKOUT_2,
    GPIO124_KP_MKOUT_3,
    GPIO125_KP_MKOUT_4,

    /* MMC1 */
    GPIO3_MMC1_DAT0,
    GPIO4_MMC1_DAT1,
    GPIO5_MMC1_DAT2,
    GPIO6_MMC1_DAT3,
    GPIO7_MMC1_CLK,
    GPIO8_MMC1_CMD,
    GPIO15_GPIO, /* card detect */

    /* UART3 */
    GPIO107_UART3_CTS,
    GPIO108_UART3_RTS,
    GPIO109_UART3_TXD,
    GPIO110_UART3_RXD,
};

static struct resource smc91x_resources[] = {
    [0] = {
        .start  = (LITTLETON_ETH_PHYS + 0x300),
        .end    = (LITTLETON_ETH_PHYS + 0xfffff),
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
        .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
    }
};

static struct smc91x_platdata littleton_smc91x_info = {
    .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
          SMC91X_NOWAIT | SMC91X_USE_DMA,
};

static struct platform_device smc91x_device = {
    .name       = "smc91x",
    .id     = 0,
    .num_resources  = ARRAY_SIZE(smc91x_resources),
    .resource   = smc91x_resources,
    .dev        = {
        .platform_data = &littleton_smc91x_info,
    },
};

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
    [0] = {
        /* VGA */
        .pixclock   = 38250,
        .xres       = 480,
        .yres       = 640,
        .bpp        = 16,
        .hsync_len  = 8,
        .left_margin    = 8,
        .right_margin   = 24,
        .vsync_len  = 2,
        .upper_margin   = 2,
        .lower_margin   = 4,
        .sync       = 0,
    },
    [1] = {
        /* QVGA */
        .pixclock   = 153000,
        .xres       = 240,
        .yres       = 320,
        .bpp        = 16,
        .hsync_len  = 8,
        .left_margin    = 8,
        .right_margin   = 88,
        .vsync_len  = 2,
        .upper_margin   = 2,
        .lower_margin   = 2,
        .sync       = 0,
    },
};

static struct pxafb_mach_info littleton_lcd_info = {
    .modes          = tpo_tdo24mtea1_modes,
    .num_modes      = 2,
    .lcd_conn       = LCD_COLOR_TFT_16BPP,
};

static void littleton_init_lcd(void)
{
    pxa_set_fb_info(NULL, &littleton_lcd_info);
}
#else
static inline void littleton_init_lcd(void) {};
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */

#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master littleton_spi_info = {
    .num_chipselect     = 1,
};

static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
    .rx_threshold   = 1,
    .tx_threshold   = 1,
    .gpio_cs    = LITTLETON_GPIO_LCD_CS,
};

static struct spi_board_info littleton_spi_devices[] __initdata = {
    {
        .modalias   = "tdo24m",
        .max_speed_hz   = 1000000,
        .bus_num    = 2,
        .chip_select    = 0,
        .controller_data= &littleton_tdo24m_chip,
    },
};

static void __init littleton_init_spi(void)
{
    pxa2xx_set_spi_info(2, &littleton_spi_info);
    spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
}
#else
static inline void littleton_init_spi(void) {}
#endif

#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int littleton_matrix_key_map[] = {
    /* KEY(row, col, key_code) */
    KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
    KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
    KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),

    KEY(0, 3, KEY_KPASTERISK),  /* * */
    KEY(2, 3, KEY_KPDOT),       /* # */

    KEY(5, 4, KEY_ENTER),

    KEY(5, 0, KEY_UP),
    KEY(5, 1, KEY_DOWN),
    KEY(5, 2, KEY_LEFT),
    KEY(5, 3, KEY_RIGHT),
    KEY(3, 2, KEY_HOME),
    KEY(4, 1, KEY_END),
    KEY(3, 3, KEY_BACK),

    KEY(4, 0, KEY_SEND),
    KEY(4, 2, KEY_VOLUMEUP),
    KEY(4, 3, KEY_VOLUMEDOWN),

    KEY(3, 0, KEY_F22), /* soft1 */
    KEY(3, 1, KEY_F23), /* soft2 */
};

static struct pxa27x_keypad_platform_data littleton_keypad_info = {
    .matrix_key_rows    = 6,
    .matrix_key_cols    = 5,
    .matrix_key_map     = littleton_matrix_key_map,
    .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),

    .enable_rotary0     = 1,
    .rotary0_up_key     = KEY_UP,
    .rotary0_down_key   = KEY_DOWN,

    .debounce_interval  = 30,
};
static void __init littleton_init_keypad(void)
{
    pxa_set_keypad_info(&littleton_keypad_info);
}
#else
static inline void littleton_init_keypad(void) {}
#endif

#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data littleton_mci_platform_data = {
    .detect_delay_ms    = 200,
    .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
    .gpio_card_detect   = GPIO_MMC1_CARD_DETECT,
    .gpio_card_ro       = -1,
    .gpio_power     = -1,
};

static void __init littleton_init_mmc(void)
{
    pxa_set_mci_info(&littleton_mci_platform_data);
}
#else
static inline void littleton_init_mmc(void) {}
#endif

#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
static struct mtd_partition littleton_nand_partitions[] = {
    [0] = {
        .name        = "Bootloader",
        .offset      = 0,
        .size        = 0x060000,
        .mask_flags  = MTD_WRITEABLE, /* force read-only */
    },
    [1] = {
        .name        = "Kernel",
        .offset      = 0x060000,
        .size        = 0x200000,
        .mask_flags  = MTD_WRITEABLE, /* force read-only */
    },
    [2] = {
        .name        = "Filesystem",
        .offset      = 0x0260000,
        .size        = 0x3000000,     /* 48M - rootfs */
    },
    [3] = {
        .name        = "MassStorage",
        .offset      = 0x3260000,
        .size        = 0x3d40000,
    },
    [4] = {
        .name        = "BBT",
        .offset      = 0x6FA0000,
        .size        = 0x80000,
        .mask_flags  = MTD_WRITEABLE,  /* force read-only */
    },
    /* NOTE: we reserve some blocks at the end of the NAND flash for
     * bad block management, and the max number of relocation blocks
     * differs on different platforms. Please take care with it when
     * defining the partition table.
     */
};

static struct pxa3xx_nand_platform_data littleton_nand_info = {
    .enable_arbiter = 1,
    .num_cs     = 1,
    .parts[0]   = littleton_nand_partitions,
    .nr_parts[0]    = ARRAY_SIZE(littleton_nand_partitions),
};

static void __init littleton_init_nand(void)
{
    pxa3xx_set_nand_info(&littleton_nand_info);
}
#else
static inline void littleton_init_nand(void) {}
#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */

#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct led_info littleton_da9034_leds[] = {
    [0] = {
        .name   = "littleton:keypad1",
        .flags  = DA9034_LED_RAMP,
    },
    [1] = {
        .name   = "littleton:keypad2",
        .flags  = DA9034_LED_RAMP,
    },
    [2] = {
        .name   = "littleton:vibra",
        .flags  = 0,
    },
};

static struct da9034_touch_pdata littleton_da9034_touch = {
    .x_inverted     = 1,
    .interval_ms    = 20,
};

static struct da903x_subdev_info littleton_da9034_subdevs[] = {
    {
        .name       = "da903x-led",
        .id     = DA9034_ID_LED_1,
        .platform_data  = &littleton_da9034_leds[0],
    }, {
        .name       = "da903x-led",
        .id     = DA9034_ID_LED_2,
        .platform_data  = &littleton_da9034_leds[1],
    }, {
        .name       = "da903x-led",
        .id     = DA9034_ID_VIBRA,
        .platform_data  = &littleton_da9034_leds[2],
    }, {
        .name       = "da903x-backlight",
        .id     = DA9034_ID_WLED,
    }, {
        .name       = "da9034-touch",
        .id     = DA9034_ID_TOUCH,
        .platform_data  = &littleton_da9034_touch,
    },
};

static struct da903x_platform_data littleton_da9034_info = {
    .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
    .subdevs    = littleton_da9034_subdevs,
};

static struct max732x_platform_data littleton_max7320_info = {
    .gpio_base  = EXT0_GPIO_BASE,
};

static struct i2c_board_info littleton_i2c_info[] = {
    [0] = {
        .type       = "da9034",
        .addr       = 0x34,
        .platform_data  = &littleton_da9034_info,
        .irq        = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
    },
    [1] = {
        .type       = "max7320",
        .addr       = 0x50,
        .platform_data  = &littleton_max7320_info,
    },
};

static void __init littleton_init_i2c(void)
{
    pxa_set_i2c_info(NULL);
    i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
}
#else
static inline void littleton_init_i2c(void) {}
#endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */

static void __init littleton_init(void)
{
    /* initialize MFP configurations */
    pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));

    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);

    /*
     * Note: we depend bootloader set the correct
     * value to MSC register for SMC91x.
     */
    platform_device_register(&smc91x_device);

    littleton_init_spi();
    littleton_init_i2c();
    littleton_init_mmc();
    littleton_init_lcd();
    littleton_init_keypad();
    littleton_init_nand();
}

MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
    .atag_offset    = 0x100,
    .map_io     = pxa3xx_map_io,
    .nr_irqs    = LITTLETON_NR_IRQS,
    .init_irq   = pxa3xx_init_irq,
    .handle_irq = pxa3xx_handle_irq,
    .timer      = &pxa_timer,
    .init_machine   = littleton_init,
    .restart    = pxa_restart,
MACHINE_END