diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/mach-h1940.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-h1940.c | 757 |
1 files changed, 757 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c new file mode 100644 index 000000000000..6b21ba107eab --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-h1940.c @@ -0,0 +1,757 @@ +/* linux/arch/arm/mach-s3c2410/mach-h1940.c + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.handhelds.org/projects/h1940.html + * + * 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/memblock.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/pwm_backlight.h> +#include <linux/i2c.h> +#include <linux/leds.h> +#include <linux/pda_power.h> +#include <linux/s3c_adc_battery.h> +#include <linux/delay.h> + +#include <video/platform_lcd.h> + +#include <linux/mmc/host.h> +#include <linux/export.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <plat/regs-serial.h> +#include <mach/regs-lcd.h> +#include <mach/regs-clock.h> + +#include <mach/regs-gpio.h> +#include <mach/gpio-fns.h> +#include <mach/gpio-nrs.h> + +#include <mach/h1940.h> +#include <mach/h1940-latch.h> +#include <mach/fb.h> +#include <plat/udc.h> +#include <plat/iic.h> + +#include <plat/gpio-cfg.h> +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/mci.h> +#include <plat/ts.h> + +#include <sound/uda1380.h> + +#include "common.h" + +#define H1940_LATCH ((void __force __iomem *)0xF8000000) + +#define H1940_PA_LATCH S3C2410_CS2 + +#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) + +static struct map_desc h1940_iodesc[] __initdata = { + [0] = { + .virtual = (unsigned long)H1940_LATCH, + .pfn = __phys_to_pfn(H1940_PA_LATCH), + .length = SZ_16K, + .type = MT_DEVICE + }, +}; + +#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 h1940_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x245, + .ulcon = 0x03, + .ufcon = 0x00, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .uart_flags = UPF_CONS_FLOW, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + +/* Board control latch control */ + +static unsigned int latch_state; + +static void h1940_latch_control(unsigned int clear, unsigned int set) +{ + unsigned long flags; + + local_irq_save(flags); + + latch_state &= ~clear; + latch_state |= set; + + __raw_writel(latch_state, H1940_LATCH); + + local_irq_restore(flags); +} + +static inline int h1940_gpiolib_to_latch(int offset) +{ + return 1 << (offset + 16); +} + +static void h1940_gpiolib_latch_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + int latch_bit = h1940_gpiolib_to_latch(offset); + + h1940_latch_control(value ? 0 : latch_bit, + value ? latch_bit : 0); +} + +static int h1940_gpiolib_latch_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + h1940_gpiolib_latch_set(chip, offset, value); + return 0; +} + +static int h1940_gpiolib_latch_get(struct gpio_chip *chip, + unsigned offset) +{ + return (latch_state >> (offset + 16)) & 1; +} + +static struct gpio_chip h1940_latch_gpiochip = { + .base = H1940_LATCH_GPIO(0), + .owner = THIS_MODULE, + .label = "H1940_LATCH", + .ngpio = 16, + .direction_output = h1940_gpiolib_latch_output, + .set = h1940_gpiolib_latch_set, + .get = h1940_gpiolib_latch_get, +}; + +static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { + .vbus_pin = S3C2410_GPG(5), + .vbus_pin_inverted = 1, + .pullup_pin = H1940_LATCH_USB_DP, +}; + +static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { + .delay = 10000, + .presc = 49, + .oversampling_shift = 2, + .cfg_gpio = s3c24xx_ts_cfg_gpio, +}; + +/** + * Set lcd on or off + **/ +static struct s3c2410fb_display h1940_lcd __initdata = { + .lcdcon5= S3C2410_LCDCON5_FRM565 | \ + S3C2410_LCDCON5_INVVLINE | \ + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .pixclock = 260000, + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 8, + .right_margin = 20, + .hsync_len = 4, + .upper_margin = 8, + .lower_margin = 7, + .vsync_len = 1, +}; + +static struct s3c2410fb_mach_info h1940_fb_info __initdata = { + .displays = &h1940_lcd, + .num_displays = 1, + .default_display = 0, + + .lpcsel = 0x02, + .gpccon = 0xaa940659, + .gpccon_mask = 0xffffc0f0, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + .gpdcon = 0xaa84aaa0, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000faff, + .gpdup_mask = 0xffffffff, +}; + +static int power_supply_init(struct device *dev) +{ + return gpio_request(S3C2410_GPF(2), "cable plugged"); +} + +static int h1940_is_ac_online(void) +{ + return !gpio_get_value(S3C2410_GPF(2)); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(S3C2410_GPF(2)); +} + +static char *h1940_supplicants[] = { + "main-battery", + "backup-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = h1940_is_ac_online, + .exit = power_supply_exit, + .supplied_to = h1940_supplicants, + .num_supplicants = ARRAY_SIZE(h1940_supplicants), +}; + +static struct resource power_supply_resources[] = { + [0] = { + .name = "ac", + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE | + IORESOURCE_IRQ_HIGHEDGE, + .start = IRQ_EINT2, + .end = IRQ_EINT2, + }, +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = + &power_supply_info, + }, + .resource = power_supply_resources, + .num_resources = ARRAY_SIZE(power_supply_resources), +}; + +static const struct s3c_adc_bat_thresh bat_lut_noac[] = { + { .volt = 4070, .cur = 162, .level = 100}, + { .volt = 4040, .cur = 165, .level = 95}, + { .volt = 4016, .cur = 164, .level = 90}, + { .volt = 3996, .cur = 166, .level = 85}, + { .volt = 3971, .cur = 168, .level = 80}, + { .volt = 3951, .cur = 168, .level = 75}, + { .volt = 3931, .cur = 170, .level = 70}, + { .volt = 3903, .cur = 172, .level = 65}, + { .volt = 3886, .cur = 172, .level = 60}, + { .volt = 3858, .cur = 176, .level = 55}, + { .volt = 3842, .cur = 176, .level = 50}, + { .volt = 3818, .cur = 176, .level = 45}, + { .volt = 3789, .cur = 180, .level = 40}, + { .volt = 3769, .cur = 180, .level = 35}, + { .volt = 3749, .cur = 184, .level = 30}, + { .volt = 3732, .cur = 184, .level = 25}, + { .volt = 3716, .cur = 184, .level = 20}, + { .volt = 3708, .cur = 184, .level = 15}, + { .volt = 3716, .cur = 96, .level = 10}, + { .volt = 3700, .cur = 96, .level = 5}, + { .volt = 3684, .cur = 96, .level = 0}, +}; + +static const struct s3c_adc_bat_thresh bat_lut_acin[] = { + { .volt = 4130, .cur = 0, .level = 100}, + { .volt = 3982, .cur = 0, .level = 50}, + { .volt = 3854, .cur = 0, .level = 10}, + { .volt = 3841, .cur = 0, .level = 0}, +}; + +static int h1940_bat_init(void) +{ + int ret; + + ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable"); + if (ret) + return ret; + gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0); + + return 0; + +} + +static void h1940_bat_exit(void) +{ + gpio_free(H1940_LATCH_SM803_ENABLE); +} + +static void h1940_enable_charger(void) +{ + gpio_set_value(H1940_LATCH_SM803_ENABLE, 1); +} + +static void h1940_disable_charger(void) +{ + gpio_set_value(H1940_LATCH_SM803_ENABLE, 0); +} + +static struct s3c_adc_bat_pdata h1940_bat_cfg = { + .init = h1940_bat_init, + .exit = h1940_bat_exit, + .enable_charger = h1940_enable_charger, + .disable_charger = h1940_disable_charger, + .gpio_charge_finished = S3C2410_GPF(3), + .gpio_inverted = 1, + .lut_noac = bat_lut_noac, + .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac), + .lut_acin = bat_lut_acin, + .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin), + .volt_channel = 0, + .current_channel = 1, + .volt_mult = 4056, + .current_mult = 1893, + .internal_impedance = 200, + .backup_volt_channel = 3, + /* TODO Check backup volt multiplier */ + .backup_volt_mult = 4056, + .backup_volt_min = 0, + .backup_volt_max = 4149288 +}; + +static struct platform_device h1940_battery = { + .name = "s3c-adc-battery", + .id = -1, + .dev = { + .parent = &s3c_device_adc.dev, + .platform_data = &h1940_bat_cfg, + }, +}; + +static DEFINE_SPINLOCK(h1940_blink_spin); + +int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, unsigned long *delay_off) +{ + int blink_gpio, check_gpio1, check_gpio2; + + switch (gpio) { + case H1940_LATCH_LED_GREEN: + blink_gpio = S3C2410_GPA(7); + check_gpio1 = S3C2410_GPA(1); + check_gpio2 = S3C2410_GPA(3); + break; + case H1940_LATCH_LED_RED: + blink_gpio = S3C2410_GPA(1); + check_gpio1 = S3C2410_GPA(7); + check_gpio2 = S3C2410_GPA(3); + break; + default: + blink_gpio = S3C2410_GPA(3); + check_gpio1 = S3C2410_GPA(1); + check_gpio1 = S3C2410_GPA(7); + break; + } + + if (delay_on && delay_off && !*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + spin_lock(&h1940_blink_spin); + + switch (state) { + case GPIO_LED_NO_BLINK_LOW: + case GPIO_LED_NO_BLINK_HIGH: + if (!gpio_get_value(check_gpio1) && + !gpio_get_value(check_gpio2)) + gpio_set_value(H1940_LATCH_LED_FLASH, 0); + gpio_set_value(blink_gpio, 0); + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, state); + break; + case GPIO_LED_BLINK: + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, 0); + gpio_set_value(H1940_LATCH_LED_FLASH, 1); + gpio_set_value(blink_gpio, 1); + break; + } + + spin_unlock(&h1940_blink_spin); + + return 0; +} +EXPORT_SYMBOL(h1940_led_blink_set); + +static struct gpio_led h1940_leds_desc[] = { + { + .name = "Green", + .default_trigger = "main-battery-full", + .gpio = H1940_LATCH_LED_GREEN, + .retain_state_suspended = 1, + }, + { + .name = "Red", + .default_trigger + = "main-battery-charging-blink-full-solid", + .gpio = H1940_LATCH_LED_RED, + .retain_state_suspended = 1, + }, +}; + +static struct gpio_led_platform_data h1940_leds_pdata = { + .num_leds = ARRAY_SIZE(h1940_leds_desc), + .leds = h1940_leds_desc, + .gpio_blink_set = h1940_led_blink_set, +}; + +static struct platform_device h1940_device_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &h1940_leds_pdata, + }, +}; + +static struct platform_device h1940_device_bluetooth = { + .name = "h1940-bt", + .id = -1, +}; + +static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) +{ + switch (power_mode) { + case MMC_POWER_OFF: + gpio_set_value(H1940_LATCH_SD_POWER, 0); + break; + case MMC_POWER_UP: + case MMC_POWER_ON: + gpio_set_value(H1940_LATCH_SD_POWER, 1); + break; + default: + break; + }; +} + +static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { + .gpio_detect = S3C2410_GPF(5), + .gpio_wprotect = S3C2410_GPH(8), + .set_power = h1940_set_mmc_power, + .ocr_avail = MMC_VDD_32_33, +}; + +static int h1940_backlight_init(struct device *dev) +{ + gpio_request(S3C2410_GPB(0), "Backlight"); + + gpio_direction_output(S3C2410_GPB(0), 0); + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); + + return 0; +} + +static int h1940_backlight_notify(struct device *dev, int brightness) +{ + if (!brightness) { + gpio_direction_output(S3C2410_GPB(0), 1); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); + } else { + gpio_direction_output(S3C2410_GPB(0), 0); + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); + } + return brightness; +} + +static void h1940_backlight_exit(struct device *dev) +{ + gpio_direction_output(S3C2410_GPB(0), 1); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); +} + + +static struct platform_pwm_backlight_data backlight_data = { + .pwm_id = 0, + .max_brightness = 100, + .dft_brightness = 50, + /* tcnt = 0x31 */ + .pwm_period_ns = 36296, + .init = h1940_backlight_init, + .notify = h1940_backlight_notify, + .exit = h1940_backlight_exit, +}; + +static struct platform_device h1940_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &s3c_device_timer[0].dev, + .platform_data = &backlight_data, + }, + .id = -1, +}; + +static void h1940_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + int value, retries = 100; + + if (!power) { + gpio_set_value(S3C2410_GPC(0), 0); + /* wait for 3ac */ + do { + value = gpio_get_value(S3C2410_GPC(6)); + } while (value && retries--); + + gpio_set_value(H1940_LATCH_LCD_P2, 0); + gpio_set_value(H1940_LATCH_LCD_P3, 0); + gpio_set_value(H1940_LATCH_LCD_P4, 0); + + gpio_direction_output(S3C2410_GPC(1), 0); + gpio_direction_output(S3C2410_GPC(4), 0); + + gpio_set_value(H1940_LATCH_LCD_P1, 0); + gpio_set_value(H1940_LATCH_LCD_P0, 0); + + gpio_set_value(S3C2410_GPC(5), 0); + + } else { + gpio_set_value(H1940_LATCH_LCD_P0, 1); + gpio_set_value(H1940_LATCH_LCD_P1, 1); + + gpio_direction_input(S3C2410_GPC(1)); + gpio_direction_input(S3C2410_GPC(4)); + mdelay(10); + s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); + + gpio_set_value(S3C2410_GPC(5), 1); + gpio_set_value(S3C2410_GPC(0), 1); + + gpio_set_value(H1940_LATCH_LCD_P3, 1); + gpio_set_value(H1940_LATCH_LCD_P2, 1); + gpio_set_value(H1940_LATCH_LCD_P4, 1); + } +} + +static struct plat_lcd_data h1940_lcd_power_data = { + .set_power = h1940_lcd_power_set, +}; + +static struct platform_device h1940_lcd_powerdev = { + .name = "platform-lcd", + .dev.parent = &s3c_device_lcd.dev, + .dev.platform_data = &h1940_lcd_power_data, +}; + +static struct uda1380_platform_data uda1380_info = { + .gpio_power = H1940_LATCH_UDA_POWER, + .gpio_reset = S3C2410_GPA(12), + .dac_clk = UDA1380_DAC_CLK_SYSCLK, +}; + +static struct i2c_board_info h1940_i2c_devices[] = { + { + I2C_BOARD_INFO("uda1380", 0x1a), + .platform_data = &uda1380_info, + }, +}; + +#define DECLARE_BUTTON(p, k, n, w) \ + { \ + .gpio = p, \ + .code = k, \ + .desc = n, \ + .wakeup = w, \ + .active_low = 1, \ + } + +static struct gpio_keys_button h1940_buttons[] = { + DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1), + DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1), + DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0), + DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0), + DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0), + DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0), + DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0), + DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0), +}; + +static struct gpio_keys_platform_data h1940_buttons_data = { + .buttons = h1940_buttons, + .nbuttons = ARRAY_SIZE(h1940_buttons), +}; + +static struct platform_device h1940_dev_buttons = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &h1940_buttons_data, + } +}; + +static struct platform_device *h1940_devices[] __initdata = { + &h1940_dev_buttons, + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &samsung_asoc_dma, + &s3c_device_usbgadget, + &h1940_device_leds, + &h1940_device_bluetooth, + &s3c_device_sdi, + &s3c_device_rtc, + &s3c_device_timer[0], + &h1940_backlight, + &h1940_lcd_powerdev, + &s3c_device_adc, + &s3c_device_ts, + &power_supply, + &h1940_battery, +}; + +static void __init h1940_map_io(void) +{ + s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); + s3c24xx_init_clocks(0); + s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); + + /* setup PM */ + +#ifdef CONFIG_PM_H1940 + memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); +#endif + s3c_pm_init(); + + /* Add latch gpio chip, set latch initial value */ + h1940_latch_control(0, 0); + WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); +} + +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init h1940_reserve(void) +{ + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); +} + +static void __init h1940_init_irq(void) +{ + s3c24xx_init_irq(); +} + +static void __init h1940_init(void) +{ + u32 tmp; + + s3c24xx_fb_set_platdata(&h1940_fb_info); + s3c24xx_mci_set_platdata(&h1940_mmc_cfg); + s3c24xx_udc_set_platdata(&h1940_udc_cfg); + s3c24xx_ts_set_platdata(&h1940_ts_cfg); + s3c_i2c0_set_platdata(NULL); + + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT) + | (0x02 << S3C24XX_PLL_PDIV_SHIFT) + | (0x03 << S3C24XX_PLL_SDIV_SHIFT); + writel(tmp, S3C2410_UPLLCON); + + gpio_request(S3C2410_GPC(0), "LCD power"); + gpio_request(S3C2410_GPC(1), "LCD power"); + gpio_request(S3C2410_GPC(4), "LCD power"); + gpio_request(S3C2410_GPC(5), "LCD power"); + gpio_request(S3C2410_GPC(6), "LCD power"); + gpio_request(H1940_LATCH_LCD_P0, "LCD power"); + gpio_request(H1940_LATCH_LCD_P1, "LCD power"); + gpio_request(H1940_LATCH_LCD_P2, "LCD power"); + gpio_request(H1940_LATCH_LCD_P3, "LCD power"); + gpio_request(H1940_LATCH_LCD_P4, "LCD power"); + gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); + gpio_direction_output(S3C2410_GPC(0), 0); + gpio_direction_output(S3C2410_GPC(1), 0); + gpio_direction_output(S3C2410_GPC(4), 0); + gpio_direction_output(S3C2410_GPC(5), 0); + gpio_direction_input(S3C2410_GPC(6)); + gpio_direction_output(H1940_LATCH_LCD_P0, 0); + gpio_direction_output(H1940_LATCH_LCD_P1, 0); + gpio_direction_output(H1940_LATCH_LCD_P2, 0); + gpio_direction_output(H1940_LATCH_LCD_P3, 0); + gpio_direction_output(H1940_LATCH_LCD_P4, 0); + gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); + + gpio_request(H1940_LATCH_SD_POWER, "SD power"); + gpio_direction_output(H1940_LATCH_SD_POWER, 0); + + platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); + + gpio_request(S3C2410_GPA(1), "Red LED blink"); + gpio_request(S3C2410_GPA(3), "Blue LED blink"); + gpio_request(S3C2410_GPA(7), "Green LED blink"); + gpio_request(H1940_LATCH_LED_FLASH, "LED blink"); + gpio_direction_output(S3C2410_GPA(1), 0); + gpio_direction_output(S3C2410_GPA(3), 0); + gpio_direction_output(S3C2410_GPA(7), 0); + gpio_direction_output(H1940_LATCH_LED_FLASH, 0); + + i2c_register_board_info(0, h1940_i2c_devices, + ARRAY_SIZE(h1940_i2c_devices)); +} + +MACHINE_START(H1940, "IPAQ-H1940") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + .map_io = h1940_map_io, + .reserve = h1940_reserve, + .init_irq = h1940_init_irq, + .init_machine = h1940_init, + .timer = &s3c24xx_timer, + .restart = s3c2410_restart, +MACHINE_END |