mach-smdk6410.c

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/* linux/arch/arm/mach-s3c64xx/mach-smdk6410.c
 *
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *  Ben Dooks <[email protected]>
 *  http://armlinux.simtec.co.uk/
 *
 * 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/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/pwm_backlight.h>
#include <linux/platform_data/s3c-hsotg.h>

#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/pmic.h>
#endif

#ifdef CONFIG_SMDK6410_WM1192_EV1
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#endif

#include <video/platform_lcd.h>
#include <video/samsung_fimd.h>

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

#include <mach/hardware.h>
#include <mach/map.h>

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

#include <plat/regs-serial.h>
#include <mach/regs-modem.h>
#include <mach/regs-gpio.h>
#include <mach/regs-sys.h>
#include <mach/regs-srom.h>
#include <linux/platform_data/ata-samsung_cf.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/adc.h>
#include <linux/platform_data/touchscreen-s3c2410.h>
#include <plat/keypad.h>
#include <plat/backlight.h>

#include "common.h"

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
    [0] = {
        .hwport      = 0,
        .flags       = 0,
        .ucon        = UCON,
        .ulcon       = ULCON,
        .ufcon       = UFCON,
    },
    [1] = {
        .hwport      = 1,
        .flags       = 0,
        .ucon        = UCON,
        .ulcon       = ULCON,
        .ufcon       = UFCON,
    },
    [2] = {
        .hwport      = 2,
        .flags       = 0,
        .ucon        = UCON,
        .ulcon       = ULCON,
        .ufcon       = UFCON,
    },
    [3] = {
        .hwport      = 3,
        .flags       = 0,
        .ucon        = UCON,
        .ulcon       = ULCON,
        .ufcon       = UFCON,
    },
};

/* framebuffer and LCD setup. */

/* GPF15 = LCD backlight control
 * GPF13 => Panel power
 * GPN5 = LCD nRESET signal
 * PWM_TOUT1 => backlight brightness
 */

static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
                   unsigned int power)
{
    if (power) {
        gpio_direction_output(S3C64XX_GPF(13), 1);

        /* fire nRESET on power up */
        gpio_direction_output(S3C64XX_GPN(5), 0);
        msleep(10);
        gpio_direction_output(S3C64XX_GPN(5), 1);
        msleep(1);
    } else {
        gpio_direction_output(S3C64XX_GPF(13), 0);
    }
}

static struct plat_lcd_data smdk6410_lcd_power_data = {
    .set_power  = smdk6410_lcd_power_set,
};

static struct platform_device smdk6410_lcd_powerdev = {
    .name           = "platform-lcd",
    .dev.parent     = &s3c_device_fb.dev,
    .dev.platform_data  = &smdk6410_lcd_power_data,
};

static struct s3c_fb_pd_win smdk6410_fb_win0 = {
    .max_bpp    = 32,
    .default_bpp    = 16,
    .xres       = 800,
    .yres       = 480,
    .virtual_y  = 480 * 2,
    .virtual_x  = 800,
};

static struct fb_videomode smdk6410_lcd_timing = {
    .left_margin    = 8,
    .right_margin   = 13,
    .upper_margin   = 7,
    .lower_margin   = 5,
    .hsync_len  = 3,
    .vsync_len  = 1,
    .xres       = 800,
    .yres       = 480,
};

/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
    .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
    .vtiming    = &smdk6410_lcd_timing,
    .win[0]     = &smdk6410_fb_win0,
    .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
    .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};

/*
 * Configuring Ethernet on SMDK6410
 *
 * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
 * The constant address below corresponds to nCS1
 *
 *  1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
 *  2) CFG6 needs to be switched to "LAN9115" side
 */

static struct resource smdk6410_smsc911x_resources[] = {
    [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, SZ_64K),
    [1] = DEFINE_RES_NAMED(S3C_EINT(10), 1, NULL, IORESOURCE_IRQ \
                    | IRQ_TYPE_LEVEL_LOW),
};

static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
    .irq_polarity  = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type      = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
    .flags         = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
    .phy_interface = PHY_INTERFACE_MODE_MII,
};


static struct platform_device smdk6410_smsc911x = {
    .name          = "smsc911x",
    .id            = -1,
    .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
    .resource      = &smdk6410_smsc911x_resources[0],
    .dev = {
        .platform_data = &smdk6410_smsc911x_pdata,
    },
};

#ifdef CONFIG_REGULATOR
static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] __initdata = {
    REGULATOR_SUPPLY("PVDD", "0-001b"),
    REGULATOR_SUPPLY("AVDD", "0-001b"),
};

static struct regulator_init_data smdk6410_b_pwr_5v_data = {
    .constraints = {
        .always_on = 1,
    },
    .num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
    .consumer_supplies = smdk6410_b_pwr_5v_consumers,
};

static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
    .supply_name = "B_PWR_5V",
    .microvolts = 5000000,
    .init_data = &smdk6410_b_pwr_5v_data,
    .gpio = -EINVAL,
};

static struct platform_device smdk6410_b_pwr_5v = {
    .name          = "reg-fixed-voltage",
    .id            = -1,
    .dev = {
        .platform_data = &smdk6410_b_pwr_5v_pdata,
    },
};
#endif

static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = {
    .setup_gpio = s3c64xx_ide_setup_gpio,
};

static uint32_t smdk6410_keymap[] __initdata = {
    /* KEY(row, col, keycode) */
    KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
    KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
    KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
    KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};

static struct matrix_keymap_data smdk6410_keymap_data __initdata = {
    .keymap     = smdk6410_keymap,
    .keymap_size    = ARRAY_SIZE(smdk6410_keymap),
};

static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
    .keymap_data    = &smdk6410_keymap_data,
    .rows       = 2,
    .cols       = 8,
};

static struct map_desc smdk6410_iodesc[] = {};

static struct platform_device *smdk6410_devices[] __initdata = {
#ifdef CONFIG_SMDK6410_SD_CH0
    &s3c_device_hsmmc0,
#endif
#ifdef CONFIG_SMDK6410_SD_CH1
    &s3c_device_hsmmc1,
#endif
    &s3c_device_i2c0,
    &s3c_device_i2c1,
    &s3c_device_fb,
    &s3c_device_ohci,
    &s3c_device_usb_hsotg,
    &samsung_asoc_dma,
    &s3c64xx_device_iisv4,
    &samsung_device_keypad,

#ifdef CONFIG_REGULATOR
    &smdk6410_b_pwr_5v,
#endif
    &smdk6410_lcd_powerdev,

    &smdk6410_smsc911x,
    &s3c_device_adc,
    &s3c_device_cfcon,
    &s3c_device_rtc,
    &s3c_device_ts,
    &s3c_device_wdt,
};

#ifdef CONFIG_REGULATOR
/* ARM core */
static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = {
    REGULATOR_SUPPLY("vddarm", NULL),
};

/* VDDARM, BUCK1 on J5 */
static struct regulator_init_data smdk6410_vddarm = {
    .constraints = {
        .name = "PVDD_ARM",
        .min_uV = 1000000,
        .max_uV = 1300000,
        .always_on = 1,
        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
    },
    .num_consumer_supplies = ARRAY_SIZE(smdk6410_vddarm_consumers),
    .consumer_supplies = smdk6410_vddarm_consumers,
};

/* VDD_INT, BUCK2 on J5 */
static struct regulator_init_data smdk6410_vddint = {
    .constraints = {
        .name = "PVDD_INT",
        .min_uV = 1000000,
        .max_uV = 1200000,
        .always_on = 1,
        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
    },
};

/* VDD_HI, LDO3 on J5 */
static struct regulator_init_data smdk6410_vddhi = {
    .constraints = {
        .name = "PVDD_HI",
        .always_on = 1,
    },
};

/* VDD_PLL, LDO2 on J5 */
static struct regulator_init_data smdk6410_vddpll = {
    .constraints = {
        .name = "PVDD_PLL",
        .always_on = 1,
    },
};

/* VDD_UH_MMC, LDO5 on J5 */
static struct regulator_init_data smdk6410_vdduh_mmc = {
    .constraints = {
        .name = "PVDD_UH+PVDD_MMC",
        .always_on = 1,
    },
};

/* VCCM3BT, LDO8 on J5 */
static struct regulator_init_data smdk6410_vccmc3bt = {
    .constraints = {
        .name = "PVCCM3BT",
        .always_on = 1,
    },
};

/* VCCM2MTV, LDO11 on J5 */
static struct regulator_init_data smdk6410_vccm2mtv = {
    .constraints = {
        .name = "PVCCM2MTV",
        .always_on = 1,
    },
};

/* VDD_LCD, LDO12 on J5 */
static struct regulator_init_data smdk6410_vddlcd = {
    .constraints = {
        .name = "PVDD_LCD",
        .always_on = 1,
    },
};

/* VDD_OTGI, LDO9 on J5 */
static struct regulator_init_data smdk6410_vddotgi = {
    .constraints = {
        .name = "PVDD_OTGI",
        .always_on = 1,
    },
};

/* VDD_OTG, LDO14 on J5 */
static struct regulator_init_data smdk6410_vddotg = {
    .constraints = {
        .name = "PVDD_OTG",
        .always_on = 1,
    },
};

/* VDD_ALIVE, LDO15 on J5 */
static struct regulator_init_data smdk6410_vddalive = {
    .constraints = {
        .name = "PVDD_ALIVE",
        .always_on = 1,
    },
};

/* VDD_AUDIO, VLDO_AUDIO on J5 */
static struct regulator_init_data smdk6410_vddaudio = {
    .constraints = {
        .name = "PVDD_AUDIO",
        .always_on = 1,
    },
};
#endif

#ifdef CONFIG_SMDK6410_WM1190_EV1
/* S3C64xx internal logic & PLL */
static struct regulator_init_data wm8350_dcdc1_data = {
    .constraints = {
        .name = "PVDD_INT+PVDD_PLL",
        .min_uV = 1200000,
        .max_uV = 1200000,
        .always_on = 1,
        .apply_uV = 1,
    },
};

/* Memory */
static struct regulator_init_data wm8350_dcdc3_data = {
    .constraints = {
        .name = "PVDD_MEM",
        .min_uV = 1800000,
        .max_uV = 1800000,
        .always_on = 1,
        .state_mem = {
             .uV = 1800000,
             .mode = REGULATOR_MODE_NORMAL,
             .enabled = 1,
        },
        .initial_state = PM_SUSPEND_MEM,
    },
};

/* USB, EXT, PCM, ADC/DAC, USB, MMC */
static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
    REGULATOR_SUPPLY("DVDD", "0-001b"),
};

static struct regulator_init_data wm8350_dcdc4_data = {
    .constraints = {
        .name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
        .min_uV = 3000000,
        .max_uV = 3000000,
        .always_on = 1,
    },
    .num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
    .consumer_supplies = wm8350_dcdc4_consumers,
};

/* OTGi/1190-EV1 HPVDD & AVDD */
static struct regulator_init_data wm8350_ldo4_data = {
    .constraints = {
        .name = "PVDD_OTGI+HPVDD+AVDD",
        .min_uV = 1200000,
        .max_uV = 1200000,
        .apply_uV = 1,
        .always_on = 1,
    },
};

static struct {
    int regulator;
    struct regulator_init_data *initdata;
} wm1190_regulators[] = {
    { WM8350_DCDC_1, &wm8350_dcdc1_data },
    { WM8350_DCDC_3, &wm8350_dcdc3_data },
    { WM8350_DCDC_4, &wm8350_dcdc4_data },
    { WM8350_DCDC_6, &smdk6410_vddarm },
    { WM8350_LDO_1, &smdk6410_vddalive },
    { WM8350_LDO_2, &smdk6410_vddotg },
    { WM8350_LDO_3, &smdk6410_vddlcd },
    { WM8350_LDO_4, &wm8350_ldo4_data },
};

static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
{
    int i;

    /* Configure the IRQ line */
    s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);

    /* Instantiate the regulators */
    for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
        wm8350_register_regulator(wm8350,
                      wm1190_regulators[i].regulator,
                      wm1190_regulators[i].initdata);

    return 0;
}

static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
    .init = smdk6410_wm8350_init,
    .irq_high = 1,
    .irq_base = IRQ_BOARD_START,
};
#endif

#ifdef CONFIG_SMDK6410_WM1192_EV1
static struct gpio_led wm1192_pmic_leds[] = {
    {
        .name = "PMIC:red:power",
        .gpio = GPIO_BOARD_START + 3,
        .default_state = LEDS_GPIO_DEFSTATE_ON,
    },
};

static struct gpio_led_platform_data wm1192_pmic_led = {
    .num_leds = ARRAY_SIZE(wm1192_pmic_leds),
    .leds = wm1192_pmic_leds,
};

static struct platform_device wm1192_pmic_led_dev = {
    .name          = "leds-gpio",
    .id            = -1,
    .dev = {
        .platform_data = &wm1192_pmic_led,
    },
};

static int wm1192_pre_init(struct wm831x *wm831x)
{
    int ret;

    /* Configure the IRQ line */
    s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);

    ret = platform_device_register(&wm1192_pmic_led_dev);
    if (ret != 0)
        dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);

    return 0;
}

static struct wm831x_backlight_pdata wm1192_backlight_pdata = {
    .isink = 1,
    .max_uA = 27554,
};

static struct regulator_init_data wm1192_dcdc3 = {
    .constraints = {
        .name = "PVDD_MEM+PVDD_GPS",
        .always_on = 1,
    },
};

static struct regulator_consumer_supply wm1192_ldo1_consumers[] = {
    REGULATOR_SUPPLY("DVDD", "0-001b"),   /* WM8580 */
};

static struct regulator_init_data wm1192_ldo1 = {
    .constraints = {
        .name = "PVDD_LCD+PVDD_EXT",
        .always_on = 1,
    },
    .consumer_supplies = wm1192_ldo1_consumers,
    .num_consumer_supplies = ARRAY_SIZE(wm1192_ldo1_consumers),
};

static struct wm831x_status_pdata wm1192_led7_pdata = {
    .name = "LED7:green:",
};

static struct wm831x_status_pdata wm1192_led8_pdata = {
    .name = "LED8:green:",
};

static struct wm831x_pdata smdk6410_wm1192_pdata = {
    .pre_init = wm1192_pre_init,

    .backlight = &wm1192_backlight_pdata,
    .dcdc = {
        &smdk6410_vddarm,  /* DCDC1 */
        &smdk6410_vddint,  /* DCDC2 */
        &wm1192_dcdc3,
    },
    .gpio_base = GPIO_BOARD_START,
    .ldo = {
         &wm1192_ldo1,        /* LDO1 */
         &smdk6410_vdduh_mmc, /* LDO2 */
         NULL,                /* LDO3 NC */
         &smdk6410_vddotgi,   /* LDO4 */
         &smdk6410_vddotg,    /* LDO5 */
         &smdk6410_vddhi,     /* LDO6 */
         &smdk6410_vddaudio,  /* LDO7 */
         &smdk6410_vccm2mtv,  /* LDO8 */
         &smdk6410_vddpll,    /* LDO9 */
         &smdk6410_vccmc3bt,  /* LDO10 */
         &smdk6410_vddalive,  /* LDO11 */
    },
    .status = {
        &wm1192_led7_pdata,
        &wm1192_led8_pdata,
    },
};
#endif

static struct i2c_board_info i2c_devs0[] __initdata = {
    { I2C_BOARD_INFO("24c08", 0x50), },
    { I2C_BOARD_INFO("wm8580", 0x1b), },

#ifdef CONFIG_SMDK6410_WM1192_EV1
    { I2C_BOARD_INFO("wm8312", 0x34),
      .platform_data = &smdk6410_wm1192_pdata,
      .irq = S3C_EINT(12),
    },
#endif

#ifdef CONFIG_SMDK6410_WM1190_EV1
    { I2C_BOARD_INFO("wm8350", 0x1a),
      .platform_data = &smdk6410_wm8350_pdata,
      .irq = S3C_EINT(12),
    },
#endif
};

static struct i2c_board_info i2c_devs1[] __initdata = {
    { I2C_BOARD_INFO("24c128", 0x57), },    /* Samsung S524AD0XD1 */
};

/* LCD Backlight data */
static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {
    .no = S3C64XX_GPF(15),
    .func = S3C_GPIO_SFN(2),
};

static struct platform_pwm_backlight_data smdk6410_bl_data = {
    .pwm_id = 1,
};

static struct s3c_hsotg_plat smdk6410_hsotg_pdata;

static void __init smdk6410_map_io(void)
{
    u32 tmp;

    s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
    s3c24xx_init_clocks(12000000);
    s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));

    /* set the LCD type */

    tmp = __raw_readl(S3C64XX_SPCON);
    tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
    tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
    __raw_writel(tmp, S3C64XX_SPCON);

    /* remove the lcd bypass */
    tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
    tmp &= ~MIFPCON_LCD_BYPASS;
    __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
}

static void __init smdk6410_machine_init(void)
{
    u32 cs1;

    s3c_i2c0_set_platdata(NULL);
    s3c_i2c1_set_platdata(NULL);
    s3c_fb_set_platdata(&smdk6410_lcd_pdata);
    s3c_hsotg_set_platdata(&smdk6410_hsotg_pdata);

    samsung_keypad_set_platdata(&smdk6410_keypad_data);

    s3c24xx_ts_set_platdata(NULL);

    /* configure nCS1 width to 16 bits */

    cs1 = __raw_readl(S3C64XX_SROM_BW) &
            ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
    cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
        (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
        (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
                           S3C64XX_SROM_BW__NCS1__SHIFT;
    __raw_writel(cs1, S3C64XX_SROM_BW);

    /* set timing for nCS1 suitable for ethernet chip */

    __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
             (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
             (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
             (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
             (0xe << S3C64XX_SROM_BCX__TACC__SHIFT) |
             (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
             (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);

    gpio_request(S3C64XX_GPN(5), "LCD power");
    gpio_request(S3C64XX_GPF(13), "LCD power");

    i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
    i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

    s3c_ide_set_platdata(&smdk6410_ide_pdata);

    samsung_bl_set(&smdk6410_bl_gpio_info, &smdk6410_bl_data);

    platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
}

MACHINE_START(SMDK6410, "SMDK6410")
    /* Maintainer: Ben Dooks <[email protected]> */
    .atag_offset    = 0x100,

    .init_irq   = s3c6410_init_irq,
    .handle_irq = vic_handle_irq,
    .map_io     = smdk6410_map_io,
    .init_machine   = smdk6410_machine_init,
    .init_late  = s3c64xx_init_late,
    .timer      = &s3c24xx_timer,
    .restart    = s3c64xx_restart,
MACHINE_END