vpac270.c

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/*
 * Hardware definitions for Voipac PXA270
 *
 * Copyright (C) 2010
 * Marek Vasut <[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/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/onenand.h>
#include <linux/dm9000.h>
#include <linux/ucb1400.h>
#include <linux/ata_platform.h>
#include <linux/regulator/max1586.h>
#include <linux/i2c/pxa-i2c.h>

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

#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/vpac270.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>
#include <linux/platform_data/ata-pxa.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long vpac270_pin_config[] __initdata = {
    /* MMC */
    GPIO32_MMC_CLK,
    GPIO92_MMC_DAT_0,
    GPIO109_MMC_DAT_1,
    GPIO110_MMC_DAT_2,
    GPIO111_MMC_DAT_3,
    GPIO112_MMC_CMD,
    GPIO53_GPIO,    /* SD detect */
    GPIO52_GPIO,    /* SD r/o switch */

    /* GPIO KEYS */
    GPIO1_GPIO, /* USER BTN */

    /* LEDs */
    GPIO15_GPIO,    /* orange led */

    /* FFUART */
    GPIO34_FFUART_RXD,
    GPIO39_FFUART_TXD,
    GPIO27_FFUART_RTS,
    GPIO100_FFUART_CTS,
    GPIO33_FFUART_DSR,
    GPIO40_FFUART_DTR,
    GPIO10_FFUART_DCD,
    GPIO38_FFUART_RI,

    /* LCD */
    GPIO58_LCD_LDD_0,
    GPIO59_LCD_LDD_1,
    GPIO60_LCD_LDD_2,
    GPIO61_LCD_LDD_3,
    GPIO62_LCD_LDD_4,
    GPIO63_LCD_LDD_5,
    GPIO64_LCD_LDD_6,
    GPIO65_LCD_LDD_7,
    GPIO66_LCD_LDD_8,
    GPIO67_LCD_LDD_9,
    GPIO68_LCD_LDD_10,
    GPIO69_LCD_LDD_11,
    GPIO70_LCD_LDD_12,
    GPIO71_LCD_LDD_13,
    GPIO72_LCD_LDD_14,
    GPIO73_LCD_LDD_15,
    GPIO86_LCD_LDD_16,
    GPIO87_LCD_LDD_17,
    GPIO74_LCD_FCLK,
    GPIO75_LCD_LCLK,
    GPIO76_LCD_PCLK,
    GPIO77_LCD_BIAS,

    /* PCMCIA */
    GPIO48_nPOE,
    GPIO49_nPWE,
    GPIO50_nPIOR,
    GPIO51_nPIOW,
    GPIO85_nPCE_1,
    GPIO54_nPCE_2,
    GPIO55_nPREG,
    GPIO57_nIOIS16,
    GPIO56_nPWAIT,
    GPIO104_PSKTSEL,
    GPIO84_GPIO,    /* PCMCIA CD */
    GPIO35_GPIO,    /* PCMCIA RDY */
    GPIO107_GPIO,   /* PCMCIA PPEN */
    GPIO11_GPIO,    /* PCMCIA RESET */
    GPIO17_GPIO,    /* CF CD */
    GPIO12_GPIO,    /* CF RDY */
    GPIO16_GPIO,    /* CF RESET */

    /* UHC */
    GPIO88_USBH1_PWR,
    GPIO89_USBH1_PEN,
    GPIO119_USBH2_PWR,
    GPIO120_USBH2_PEN,

    /* UDC */
    GPIO41_GPIO,

    /* Ethernet */
    GPIO114_GPIO,   /* IRQ */

    /* AC97 */
    GPIO28_AC97_BITCLK,
    GPIO29_AC97_SDATA_IN_0,
    GPIO30_AC97_SDATA_OUT,
    GPIO31_AC97_SYNC,
    GPIO95_AC97_nRESET,
    GPIO98_AC97_SYSCLK,
    GPIO113_GPIO,   /* TS IRQ */

    /* I2C */
    GPIO117_I2C_SCL,
    GPIO118_I2C_SDA,

    /* IDE */
    GPIO36_GPIO,    /* IDE IRQ */
    GPIO80_DREQ_1,
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition vpac270_nor_partitions[] = {
    {
        .name       = "Flash",
        .offset     = 0x00000000,
        .size       = MTDPART_SIZ_FULL,
    }
};

static struct physmap_flash_data vpac270_flash_data[] = {
    {
        .width      = 2,    /* bankwidth in bytes */
        .parts      = vpac270_nor_partitions,
        .nr_parts   = ARRAY_SIZE(vpac270_nor_partitions)
    }
};

static struct resource vpac270_flash_resource = {
    .start  = PXA_CS0_PHYS,
    .end    = PXA_CS0_PHYS + SZ_64M - 1,
    .flags  = IORESOURCE_MEM,
};

static struct platform_device vpac270_flash = {
    .name       = "physmap-flash",
    .id     = 0,
    .resource   = &vpac270_flash_resource,
    .num_resources  = 1,
    .dev        = {
        .platform_data = vpac270_flash_data,
    },
};
static void __init vpac270_nor_init(void)
{
    platform_device_register(&vpac270_flash);
}
#else
static inline void vpac270_nor_init(void) {}
#endif

/******************************************************************************
 * OneNAND Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
static struct mtd_partition vpac270_onenand_partitions[] = {
    {
        .name       = "Flash",
        .offset     = 0x00000000,
        .size       = MTDPART_SIZ_FULL,
    }
};

static struct onenand_platform_data vpac270_onenand_info = {
    .parts      = vpac270_onenand_partitions,
    .nr_parts   = ARRAY_SIZE(vpac270_onenand_partitions),
};

static struct resource vpac270_onenand_resources[] = {
    [0] = {
        .start  = PXA_CS0_PHYS,
        .end    = PXA_CS0_PHYS + SZ_1M,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device vpac270_onenand = {
    .name       = "onenand-flash",
    .id     = -1,
    .resource   = vpac270_onenand_resources,
    .num_resources  = ARRAY_SIZE(vpac270_onenand_resources),
    .dev        = {
        .platform_data  = &vpac270_onenand_info,
    },
};

static void __init vpac270_onenand_init(void)
{
    platform_device_register(&vpac270_onenand);
}
#else
static void __init vpac270_onenand_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data vpac270_mci_platform_data = {
    .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
    .gpio_power     = -1,
    .gpio_card_detect   = GPIO53_VPAC270_SD_DETECT_N,
    .gpio_card_ro       = GPIO52_VPAC270_SD_READONLY,
    .detect_delay_ms    = 200,
};

static void __init vpac270_mmc_init(void)
{
    pxa_set_mci_info(&vpac270_mci_platform_data);
}
#else
static inline void vpac270_mmc_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button vpac270_pxa_buttons[] = {
    {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
};

static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
    .buttons    = vpac270_pxa_buttons,
    .nbuttons   = ARRAY_SIZE(vpac270_pxa_buttons),
};

static struct platform_device vpac270_pxa_keys = {
    .name   = "gpio-keys",
    .id = -1,
    .dev    = {
        .platform_data = &vpac270_pxa_keys_data,
    },
};

static void __init vpac270_keys_init(void)
{
    platform_device_register(&vpac270_pxa_keys);
}
#else
static inline void vpac270_keys_init(void) {}
#endif

/******************************************************************************
 * LED
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led vpac270_gpio_leds[] = {
{
    .name           = "vpac270:orange:user",
    .default_trigger    = "none",
    .gpio           = GPIO15_VPAC270_LED_ORANGE,
    .active_low     = 1,
}
};

static struct gpio_led_platform_data vpac270_gpio_led_info = {
    .leds       = vpac270_gpio_leds,
    .num_leds   = ARRAY_SIZE(vpac270_gpio_leds),
};

static struct platform_device vpac270_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data  = &vpac270_gpio_led_info,
    }
};

static void __init vpac270_leds_init(void)
{
    platform_device_register(&vpac270_leds);
}
#else
static inline void vpac270_leds_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int vpac270_ohci_init(struct device *dev)
{
    UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
    return 0;
}

static struct pxaohci_platform_data vpac270_ohci_info = {
    .port_mode  = PMM_PERPORT_MODE,
    .flags      = ENABLE_PORT1 | ENABLE_PORT2 |
            POWER_CONTROL_LOW | POWER_SENSE_LOW,
    .init       = vpac270_ohci_init,
};

static void __init vpac270_uhc_init(void)
{
    pxa_set_ohci_info(&vpac270_ohci_info);
}
#else
static inline void vpac270_uhc_init(void) {}
#endif

/******************************************************************************
 * USB Gadget
 ******************************************************************************/
#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
    .gpio_vbus      = GPIO41_VPAC270_UDC_DETECT,
    .gpio_pullup        = -1,
};

static struct platform_device vpac270_gpio_vbus = {
    .name   = "gpio-vbus",
    .id = -1,
    .dev    = {
        .platform_data  = &vpac270_gpio_vbus_info,
    },
};

static void vpac270_udc_command(int cmd)
{
    if (cmd == PXA2XX_UDC_CMD_CONNECT)
        UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
    else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
        UP2OCR = UP2OCR_HXOE;
}

static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
    .udc_command        = vpac270_udc_command,
    .gpio_pullup        = -1,
};

static void __init vpac270_udc_init(void)
{
    pxa_set_udc_info(&vpac270_udc_info);
    platform_device_register(&vpac270_gpio_vbus);
}
#else
static inline void vpac270_udc_init(void) {}
#endif

/******************************************************************************
 * Ethernet
 ******************************************************************************/
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource vpac270_dm9000_resources[] = {
    [0] = {
        .start  = PXA_CS2_PHYS + 0x300,
        .end    = PXA_CS2_PHYS + 0x303,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = PXA_CS2_PHYS + 0x304,
        .end    = PXA_CS2_PHYS + 0x343,
        .flags  = IORESOURCE_MEM,
    },
    [2] = {
        .start  = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
        .end    = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
    },
};

static struct dm9000_plat_data vpac270_dm9000_platdata = {
    .flags      = DM9000_PLATF_32BITONLY,
};

static struct platform_device vpac270_dm9000_device = {
    .name       = "dm9000",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(vpac270_dm9000_resources),
    .resource   = vpac270_dm9000_resources,
    .dev        = {
        .platform_data = &vpac270_dm9000_platdata,
    }
};

static void __init vpac270_eth_init(void)
{
    platform_device_register(&vpac270_dm9000_device);
}
#else
static inline void vpac270_eth_init(void) {}
#endif

/******************************************************************************
 * Audio and Touchscreen
 ******************************************************************************/
#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
    defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
    .reset_gpio = 95,
};

static struct ucb1400_pdata vpac270_ucb1400_pdata = {
    .irq        = PXA_GPIO_TO_IRQ(GPIO113_VPAC270_TS_IRQ),
};

static struct platform_device vpac270_ucb1400_device = {
    .name       = "ucb1400_core",
    .id     = -1,
    .dev        = {
        .platform_data = &vpac270_ucb1400_pdata,
    },
};

static void __init vpac270_ts_init(void)
{
    pxa_set_ac97_info(&vpac270_ac97_pdata);
    platform_device_register(&vpac270_ucb1400_device);
}
#else
static inline void vpac270_ts_init(void) {}
#endif

/******************************************************************************
 * RTC
 ******************************************************************************/
#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
    {
        I2C_BOARD_INFO("ds1339", 0x68),
    },
};

static void __init vpac270_rtc_init(void)
{
    i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
}
#else
static inline void vpac270_rtc_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info vpac270_lcd_modes[] = {
{
    .pixclock   = 57692,
    .xres       = 640,
    .yres       = 480,
    .bpp        = 32,
    .depth      = 18,

    .left_margin    = 144,
    .right_margin   = 32,
    .upper_margin   = 13,
    .lower_margin   = 30,

    .hsync_len  = 32,
    .vsync_len  = 2,

    .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {    /* CRT 640x480 */
    .pixclock   = 35000,
    .xres       = 640,
    .yres       = 480,
    .bpp        = 16,
    .depth      = 16,

    .left_margin    = 96,
    .right_margin   = 48,
    .upper_margin   = 33,
    .lower_margin   = 10,

    .hsync_len  = 48,
    .vsync_len  = 1,

    .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {    /* CRT 800x600 H=30kHz V=48HZ */
    .pixclock   = 25000,
    .xres       = 800,
    .yres       = 600,
    .bpp        = 16,
    .depth      = 16,

    .left_margin    = 50,
    .right_margin   = 1,
    .upper_margin   = 21,
    .lower_margin   = 12,

    .hsync_len  = 8,
    .vsync_len  = 1,

    .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {    /* CRT 1024x768 H=40kHz V=50Hz */
    .pixclock   = 15000,
    .xres       = 1024,
    .yres       = 768,
    .bpp        = 16,
    .depth      = 16,

    .left_margin    = 220,
    .right_margin   = 8,
    .upper_margin   = 33,
    .lower_margin   = 2,

    .hsync_len  = 48,
    .vsync_len  = 1,

    .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}
};

static struct pxafb_mach_info vpac270_lcd_screen = {
    .modes      = vpac270_lcd_modes,
    .num_modes  = ARRAY_SIZE(vpac270_lcd_modes),
    .lcd_conn   = LCD_COLOR_TFT_18BPP,
};

static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
{
    gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
}

static void __init vpac270_lcd_init(void)
{
    int ret;

    ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
    if (ret) {
        pr_err("Requesting BKL-ON GPIO failed!\n");
        goto err;
    }

    ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
    if (ret) {
        pr_err("Setting BKL-ON GPIO direction failed!\n");
        goto err2;
    }

    vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
    pxa_set_fb_info(NULL, &vpac270_lcd_screen);
    return;

err2:
    gpio_free(GPIO81_VPAC270_BKL_ON);
err:
    return;
}
#else
static inline void vpac270_lcd_init(void) {}
#endif

/******************************************************************************
 * PATA IDE
 ******************************************************************************/
#if defined(CONFIG_PATA_PXA) || defined(CONFIG_PATA_PXA_MODULE)
static struct pata_pxa_pdata vpac270_pata_pdata = {
    .reg_shift  = 1,
    .dma_dreq   = 1,
    .irq_flags  = IRQF_TRIGGER_RISING,
};

static struct resource vpac270_ide_resources[] = {
    [0] = { /* I/O Base address */
           .start   = PXA_CS3_PHYS + 0x120,
           .end = PXA_CS3_PHYS + 0x13f,
           .flags   = IORESOURCE_MEM
    },
    [1] = { /* CTL Base address */
           .start   = PXA_CS3_PHYS + 0x15c,
           .end = PXA_CS3_PHYS + 0x15f,
           .flags   = IORESOURCE_MEM
    },
    [2] = { /* DMA Base address */
           .start   = PXA_CS3_PHYS + 0x20,
           .end = PXA_CS3_PHYS + 0x2f,
           .flags   = IORESOURCE_DMA
    },
    [3] = { /* IDE IRQ pin */
           .start   = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
           .end = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
           .flags   = IORESOURCE_IRQ
    }
};

static struct platform_device vpac270_ide_device = {
    .name       = "pata_pxa",
    .num_resources  = ARRAY_SIZE(vpac270_ide_resources),
    .resource   = vpac270_ide_resources,
    .dev        = {
        .platform_data  = &vpac270_pata_pdata,
        .coherent_dma_mask  = 0xffffffff,
    }
};

static void __init vpac270_ide_init(void)
{
    platform_device_register(&vpac270_ide_device);
}
#else
static inline void vpac270_ide_init(void) {}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_MAX1586) || \
    defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply vpac270_max1587a_consumers[] = {
    REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data vpac270_max1587a_v3_info = {
    .constraints = {
        .name       = "vcc_core range",
        .min_uV     = 900000,
        .max_uV     = 1705000,
        .always_on  = 1,
        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
    },
    .consumer_supplies  = vpac270_max1587a_consumers,
    .num_consumer_supplies  = ARRAY_SIZE(vpac270_max1587a_consumers),
};

static struct max1586_subdev_data vpac270_max1587a_subdevs[] = {
    {
        .name       = "vcc_core",
        .id     = MAX1586_V3,
        .platform_data  = &vpac270_max1587a_v3_info,
    }
};

static struct max1586_platform_data vpac270_max1587a_info = {
    .subdevs     = vpac270_max1587a_subdevs,
    .num_subdevs = ARRAY_SIZE(vpac270_max1587a_subdevs),
    .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};

static struct i2c_board_info __initdata vpac270_pi2c_board_info[] = {
    {
        I2C_BOARD_INFO("max1586", 0x14),
        .platform_data  = &vpac270_max1587a_info,
    },
};

static void __init vpac270_pmic_init(void)
{
    i2c_register_board_info(1, ARRAY_AND_SIZE(vpac270_pi2c_board_info));
}
#else
static inline void vpac270_pmic_init(void) {}
#endif


/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init vpac270_init(void)
{
    pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));

    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);
    pxa_set_i2c_info(NULL);
    pxa27x_set_i2c_power_info(NULL);

    vpac270_pmic_init();
    vpac270_lcd_init();
    vpac270_mmc_init();
    vpac270_nor_init();
    vpac270_onenand_init();
    vpac270_leds_init();
    vpac270_keys_init();
    vpac270_uhc_init();
    vpac270_udc_init();
    vpac270_eth_init();
    vpac270_ts_init();
    vpac270_rtc_init();
    vpac270_ide_init();
}

MACHINE_START(VPAC270, "Voipac PXA270")
    .atag_offset    = 0x100,
    .map_io     = pxa27x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .timer      = &pxa_timer,
    .init_machine   = vpac270_init,
    .restart    = pxa_restart,
MACHINE_END