[deliverable/linux.git] / arch / arm / mach-pxa / z2.c

/*
 *  linux/arch/arm/mach-pxa/z2.c
 *
 *  Support for the Zipit Z2 Handheld device.
 *
 *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
 *
 *  Based on research and code by: Ken McGuire
 *  Based on mainstone.c as modified for the Zipit Z2.
 *
 *  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/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/pwm_backlight.h>
#include <linux/z2_battery.h>
#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/spi/libertas_spi.h>
#include <linux/spi/lms283gf05.h>
#include <linux/power_supply.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/pxa-i2c.h>

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

#include <mach/pxa27x.h>
#include <mach/mfp-pxa27x.h>
#include <mach/z2.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <mach/pm.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long z2_pin_config[] = {

	/* LCD - 16bpp Active TFT */
	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,
	GPIO74_LCD_FCLK,
	GPIO75_LCD_LCLK,
	GPIO76_LCD_PCLK,
	GPIO77_LCD_BIAS,
	GPIO19_GPIO,		/* LCD reset */
	GPIO88_GPIO,		/* LCD chipselect */

	/* PWM */
	GPIO115_PWM1_OUT,	/* Keypad Backlight */
	GPIO11_PWM2_OUT,	/* LCD Backlight */

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO96_GPIO,		/* SD detect */

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* Keypad */
	GPIO100_KP_MKIN_0,
	GPIO101_KP_MKIN_1,
	GPIO102_KP_MKIN_2,
	GPIO34_KP_MKIN_3,
	GPIO38_KP_MKIN_4,
	GPIO16_KP_MKIN_5,
	GPIO17_KP_MKIN_6,
	GPIO103_KP_MKOUT_0,
	GPIO104_KP_MKOUT_1,
	GPIO105_KP_MKOUT_2,
	GPIO106_KP_MKOUT_3,
	GPIO107_KP_MKOUT_4,
	GPIO108_KP_MKOUT_5,
	GPIO35_KP_MKOUT_6,
	GPIO41_KP_MKOUT_7,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* SSP1 */
	GPIO23_SSP1_SCLK,	/* SSP1_SCK */
	GPIO25_SSP1_TXD,	/* SSP1_TXD */
	GPIO26_SSP1_RXD,	/* SSP1_RXD */

	/* SSP2 */
	GPIO22_SSP2_SCLK,	/* SSP2_SCK */
	GPIO13_SSP2_TXD,	/* SSP2_TXD */
	GPIO40_SSP2_RXD,	/* SSP2_RXD */

	/* LEDs */
	GPIO10_GPIO,		/* WiFi LED */
	GPIO83_GPIO,		/* Charging LED */
	GPIO85_GPIO,		/* Charged LED */

	/* I2S */
	GPIO28_I2S_BITCLK_OUT,
	GPIO29_I2S_SDATA_IN,
	GPIO30_I2S_SDATA_OUT,
	GPIO31_I2S_SYNC,
	GPIO113_I2S_SYSCLK,

	/* MISC */
	GPIO0_GPIO,		/* AC power detect */
	GPIO1_GPIO,		/* Power button */
	GPIO37_GPIO,		/* Headphone detect */
	GPIO98_GPIO,		/* Lid switch */
	GPIO14_GPIO,		/* WiFi Power */
	GPIO24_GPIO,		/* WiFi CS */
	GPIO36_GPIO,		/* WiFi IRQ */
	GPIO88_GPIO,		/* LCD CS */
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct resource z2_flash_resource = {
	.start	= PXA_CS0_PHYS,
	.end	= PXA_CS0_PHYS + SZ_8M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct mtd_partition z2_flash_parts[] = {
	{
		.name	= "U-Boot Bootloader",
		.offset	= 0x0,
		.size	= 0x40000,
	}, {
		.name	= "U-Boot Environment",
		.offset	= 0x40000,
		.size	= 0x20000,
	}, {
		.name	= "Flash",
		.offset	= 0x60000,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data z2_flash_data = {
	.width		= 2,
	.parts		= z2_flash_parts,
	.nr_parts	= ARRAY_SIZE(z2_flash_parts),
};

static struct platform_device z2_flash = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= &z2_flash_resource,
	.num_resources	= 1,
	.dev = {
		.platform_data	= &z2_flash_data,
	},
};

static void __init z2_nor_init(void)
{
	platform_device_register(&z2_flash);
}
#else
static inline void z2_nor_init(void) {}
#endif

/******************************************************************************
 * Backlight
 ******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct platform_pwm_backlight_data z2_backlight_data[] = {
	[0] = {
		/* Keypad Backlight */
		.pwm_id		= 1,
		.max_brightness	= 1023,
		.dft_brightness	= 0,
		.pwm_period_ns	= 1260320,
		.enable_gpio	= -1,
	},
	[1] = {
		/* LCD Backlight */
		.pwm_id		= 2,
		.max_brightness	= 1023,
		.dft_brightness	= 512,
		.pwm_period_ns	= 1260320,
		.enable_gpio	= -1,
	},
};

static struct platform_device z2_backlight_devices[2] = {
	{
		.name	= "pwm-backlight",
		.id	= 0,
		.dev	= {
			.platform_data	= &z2_backlight_data[1],
		},
	},
	{
		.name	= "pwm-backlight",
		.id	= 1,
		.dev	= {
			.platform_data	= &z2_backlight_data[0],
		},
	},
};
static void __init z2_pwm_init(void)
{
	platform_device_register(&z2_backlight_devices[0]);
	platform_device_register(&z2_backlight_devices[1]);
}
#else
static inline void z2_pwm_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info z2_lcd_modes[] = {
{
	.pixclock	= 192000,
	.xres		= 240,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 4,
	.right_margin	= 8,
	.upper_margin	= 4,
	.lower_margin	= 8,

	.hsync_len	= 4,
	.vsync_len	= 4,
},
};

static struct pxafb_mach_info z2_lcd_screen = {
	.modes		= z2_lcd_modes,
	.num_modes      = ARRAY_SIZE(z2_lcd_modes),
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
			  LCD_ALTERNATE_MAPPING,
};

static void __init z2_lcd_init(void)
{
	pxa_set_fb_info(NULL, &z2_lcd_screen);
}
#else
static inline void z2_lcd_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data z2_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.gpio_card_detect	= GPIO96_ZIPITZ2_SD_DETECT,
	.gpio_power		= -1,
	.gpio_card_ro		= -1,
	.detect_delay_ms	= 200,
};

static void __init z2_mmc_init(void)
{
	pxa_set_mci_info(&z2_mci_platform_data);
}
#else
static inline void z2_mmc_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led z2_gpio_leds[] = {
{
	.name			= "z2:green:wifi",
	.default_trigger	= "none",
	.gpio			= GPIO10_ZIPITZ2_LED_WIFI,
	.active_low		= 1,
}, {
	.name			= "z2:green:charged",
	.default_trigger	= "mmc0",
	.gpio			= GPIO85_ZIPITZ2_LED_CHARGED,
	.active_low		= 1,
}, {
	.name			= "z2:amber:charging",
	.default_trigger	= "Z2-charging-or-full",
	.gpio			= GPIO83_ZIPITZ2_LED_CHARGING,
	.active_low		= 1,
},
};

static struct gpio_led_platform_data z2_gpio_led_info = {
	.leds		= z2_gpio_leds,
	.num_leds	= ARRAY_SIZE(z2_gpio_leds),
};

static struct platform_device z2_leds = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &z2_gpio_led_info,
	}
};

static void __init z2_leds_init(void)
{
	platform_device_register(&z2_leds);
}
#else
static inline void z2_leds_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static const unsigned int z2_matrix_keys[] = {
	KEY(0, 0, KEY_OPTION),
	KEY(1, 0, KEY_UP),
	KEY(2, 0, KEY_DOWN),
	KEY(3, 0, KEY_LEFT),
	KEY(4, 0, KEY_RIGHT),
	KEY(5, 0, KEY_END),
	KEY(6, 0, KEY_KPPLUS),

	KEY(0, 1, KEY_HOME),
	KEY(1, 1, KEY_Q),
	KEY(2, 1, KEY_I),
	KEY(3, 1, KEY_G),
	KEY(4, 1, KEY_X),
	KEY(5, 1, KEY_ENTER),
	KEY(6, 1, KEY_KPMINUS),

	KEY(0, 2, KEY_PAGEUP),
	KEY(1, 2, KEY_W),
	KEY(2, 2, KEY_O),
	KEY(3, 2, KEY_H),
	KEY(4, 2, KEY_C),
	KEY(5, 2, KEY_LEFTALT),

	KEY(0, 3, KEY_PAGEDOWN),
	KEY(1, 3, KEY_E),
	KEY(2, 3, KEY_P),
	KEY(3, 3, KEY_J),
	KEY(4, 3, KEY_V),
	KEY(5, 3, KEY_LEFTSHIFT),

	KEY(0, 4, KEY_ESC),
	KEY(1, 4, KEY_R),
	KEY(2, 4, KEY_A),
	KEY(3, 4, KEY_K),
	KEY(4, 4, KEY_B),
	KEY(5, 4, KEY_LEFTCTRL),

	KEY(0, 5, KEY_TAB),
	KEY(1, 5, KEY_T),
	KEY(2, 5, KEY_S),
	KEY(3, 5, KEY_L),
	KEY(4, 5, KEY_N),
	KEY(5, 5, KEY_SPACE),

	KEY(0, 6, KEY_STOPCD),
	KEY(1, 6, KEY_Y),
	KEY(2, 6, KEY_D),
	KEY(3, 6, KEY_BACKSPACE),
	KEY(4, 6, KEY_M),
	KEY(5, 6, KEY_COMMA),

	KEY(0, 7, KEY_PLAYCD),
	KEY(1, 7, KEY_U),
	KEY(2, 7, KEY_F),
	KEY(3, 7, KEY_Z),
	KEY(4, 7, KEY_SEMICOLON),
	KEY(5, 7, KEY_DOT),
};

static struct matrix_keymap_data z2_matrix_keymap_data = {
	.keymap			= z2_matrix_keys,
	.keymap_size		= ARRAY_SIZE(z2_matrix_keys),
};

static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
	.matrix_key_rows	= 7,
	.matrix_key_cols	= 8,
	.matrix_keymap_data	= &z2_matrix_keymap_data,

	.debounce_interval	= 30,
};

static void __init z2_mkp_init(void)
{
	pxa_set_keypad_info(&z2_keypad_platform_data);
}
#else
static inline void z2_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button z2_pxa_buttons[] = {
	{
		.code		= KEY_POWER,
		.gpio		= GPIO1_ZIPITZ2_POWER_BUTTON,
		.active_low	= 0,
		.desc		= "Power Button",
		.wakeup		= 1,
		.type		= EV_KEY,
	},
	{
		.code		= SW_LID,
		.gpio		= GPIO98_ZIPITZ2_LID_BUTTON,
		.active_low	= 1,
		.desc		= "Lid Switch",
		.wakeup		= 0,
		.type		= EV_SW,
	},
};

static struct gpio_keys_platform_data z2_pxa_keys_data = {
	.buttons	= z2_pxa_buttons,
	.nbuttons	= ARRAY_SIZE(z2_pxa_buttons),
};

static struct platform_device z2_pxa_keys = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data = &z2_pxa_keys_data,
	},
};

static void __init z2_keys_init(void)
{
	platform_device_register(&z2_pxa_keys);
}
#else
static inline void z2_keys_init(void) {}
#endif

/******************************************************************************
 * Battery
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct z2_battery_info batt_chip_info = {
	.batt_I2C_bus	= 0,
	.batt_I2C_addr	= 0x55,
	.batt_I2C_reg	= 2,
	.charge_gpio	= GPIO0_ZIPITZ2_AC_DETECT,
	.min_voltage	= 3475000,
	.max_voltage	= 4190000,
	.batt_div	= 59,
	.batt_mult	= 1000000,
	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LION,
	.batt_name	= "Z2",
};

static struct i2c_board_info __initdata z2_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("aer915", 0x55),
		.platform_data	= &batt_chip_info,
	}, {
		I2C_BOARD_INFO("wm8750", 0x1b),
	},

};

static void __init z2_i2c_init(void)
{
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
}
#else
static inline void z2_i2c_init(void) {}
#endif

/******************************************************************************
 * SSP Devices - WiFi and LCD control
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
/* WiFi */
static int z2_lbs_spi_setup(struct spi_device *spi)
{
	int ret = 0;

	ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
	if (ret)
		goto err;

	ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
	if (ret)
		goto err2;

	/* Wait until card is powered on */
	mdelay(180);

	spi->bits_per_word = 16;
	spi->mode = SPI_MODE_2,

	spi_setup(spi);

	return 0;

err2:
	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
err:
	return ret;
};

static int z2_lbs_spi_teardown(struct spi_device *spi)
{
	gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);

	return 0;
};

static struct pxa2xx_spi_chip z2_lbs_chip_info = {
	.rx_threshold	= 8,
	.tx_threshold	= 8,
	.timeout	= 1000,
	.gpio_cs	= GPIO24_ZIPITZ2_WIFI_CS,
};

static struct libertas_spi_platform_data z2_lbs_pdata = {
	.use_dummy_writes	= 1,
	.setup			= z2_lbs_spi_setup,
	.teardown		= z2_lbs_spi_teardown,
};

/* LCD */
static struct pxa2xx_spi_chip lms283_chip_info = {
	.rx_threshold	= 1,
	.tx_threshold	= 1,
	.timeout	= 64,
	.gpio_cs	= GPIO88_ZIPITZ2_LCD_CS,
};

static const struct lms283gf05_pdata lms283_pdata = {
	.reset_gpio	= GPIO19_ZIPITZ2_LCD_RESET,
};

static struct spi_board_info spi_board_info[] __initdata = {
{
	.modalias		= "libertas_spi",
	.platform_data		= &z2_lbs_pdata,
	.controller_data	= &z2_lbs_chip_info,
	.irq			= PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
	.max_speed_hz		= 13000000,
	.bus_num		= 1,
	.chip_select		= 0,
},
{
	.modalias		= "lms283gf05",
	.controller_data	= &lms283_chip_info,
	.platform_data		= &lms283_pdata,
	.max_speed_hz		= 400000,
	.bus_num		= 2,
	.chip_select		= 0,
},
};

static struct pxa2xx_spi_master pxa_ssp1_master_info = {
	.clock_enable	= CKEN_SSP,
	.num_chipselect	= 1,
	.enable_dma	= 1,
};

static struct pxa2xx_spi_master pxa_ssp2_master_info = {
	.clock_enable	= CKEN_SSP2,
	.num_chipselect	= 1,
};

static void __init z2_spi_init(void)
{
	pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
	pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
#else
static inline void z2_spi_init(void) {}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_TPS65023) || \
	defined(CONFIG_REGULATOR_TPS65023_MODULE)
static struct regulator_consumer_supply z2_tps65021_consumers[] = {
	REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data z2_tps65021_info[] = {
	{
		.constraints = {
			.name		= "vcc_core range",
			.min_uV		= 800000,
			.max_uV		= 1600000,
			.always_on	= 1,
			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		},
		.consumer_supplies	= z2_tps65021_consumers,
		.num_consumer_supplies	= ARRAY_SIZE(z2_tps65021_consumers),
	}, {
		.constraints = {
			.name		= "DCDC2",
			.min_uV		= 3300000,
			.max_uV		= 3300000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "DCDC3",
			.min_uV		= 1800000,
			.max_uV		= 1800000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "LDO1",
			.min_uV		= 1000000,
			.max_uV		= 3150000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "LDO2",
			.min_uV		= 1050000,
			.max_uV		= 3300000,
			.always_on	= 1,
		},
	}
};

static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
	{
		I2C_BOARD_INFO("tps65021", 0x48),
		.platform_data	= &z2_tps65021_info,
	},
};

static void __init z2_pmic_init(void)
{
	pxa27x_set_i2c_power_info(NULL);
	i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
}
#else
static inline void z2_pmic_init(void) {}
#endif

#ifdef CONFIG_PM
static void z2_power_off(void)
{
	/* We're using deep sleep as poweroff, so clear PSPR to ensure that
	 * bootloader will jump to its entry point in resume handler
	 */
	PSPR = 0x0;
	local_irq_disable();
	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
	pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
}
#else
#define z2_power_off   NULL
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init z2_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));

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

	z2_lcd_init();
	z2_mmc_init();
	z2_mkp_init();
	z2_i2c_init();
	z2_spi_init();
	z2_nor_init();
	z2_pwm_init();
	z2_leds_init();
	z2_keys_init();
	z2_pmic_init();

	pm_power_off = z2_power_off;
}

MACHINE_START(ZIPIT2, "Zipit Z2")
	.atag_offset	= 0x100,
	.map_io		= pxa27x_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= z2_init,
	.restart	= pxa_restart,
MACHINE_END
Commit	Line	Data
b6377992 MV	1	/*
	2	* linux/arch/arm/mach-pxa/z2.c
	3	*
	4	* Support for the Zipit Z2 Handheld device.
	5	*
60adc112 MV	6	* Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
	7	*
	8	* Based on research and code by: Ken McGuire
b6377992 MV	9	* Based on mainstone.c as modified for the Zipit Z2.
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
	15
	16	#include <linux/platform_device.h>
	17	#include <linux/mtd/mtd.h>
	18	#include <linux/mtd/partitions.h>
	19	#include <linux/pwm_backlight.h>
d198290d	20	#include <linux/z2_battery.h>
b6377992 MV	21	#include <linux/dma-mapping.h>
b6377992 MV	22	#include <linux/spi/spi.h>
8348c259	23	#include <linux/spi/pxa2xx_spi.h>
b6377992 MV	24	#include <linux/spi/libertas_spi.h>
	25	#include <linux/spi/lms283gf05.h>
	26	#include <linux/power_supply.h>
	27	#include <linux/mtd/physmap.h>
	28	#include <linux/gpio.h>
	29	#include <linux/gpio_keys.h>
	30	#include <linux/delay.h>
320bbb86	31	#include <linux/regulator/machine.h>
b459396e	32	#include <linux/i2c/pxa-i2c.h>
b6377992 MV	33
	34	#include <asm/mach-types.h>
	35	#include <asm/mach/arch.h>
	36
	37	#include <mach/pxa27x.h>
	38	#include <mach/mfp-pxa27x.h>
	39	#include <mach/z2.h>
293b2da1 AB	40	#include <linux/platform_data/video-pxafb.h>
	41	#include <linux/platform_data/mmc-pxamci.h>
	42	#include <linux/platform_data/keypad-pxa27x.h>
41646b24	43	#include <mach/pm.h>
b6377992	44
b6377992 MV	45	#include "generic.h"
	46	#include "devices.h"
	47
	48	/******************************************************************************
	49	* Pin configuration
	50	******************************************************************************/
	51	static unsigned long z2_pin_config[] = {
	52
	53	/* LCD - 16bpp Active TFT */
	54	GPIO58_LCD_LDD_0,
	55	GPIO59_LCD_LDD_1,
	56	GPIO60_LCD_LDD_2,
	57	GPIO61_LCD_LDD_3,
	58	GPIO62_LCD_LDD_4,
	59	GPIO63_LCD_LDD_5,
	60	GPIO64_LCD_LDD_6,
	61	GPIO65_LCD_LDD_7,
	62	GPIO66_LCD_LDD_8,
	63	GPIO67_LCD_LDD_9,
	64	GPIO68_LCD_LDD_10,
	65	GPIO69_LCD_LDD_11,
	66	GPIO70_LCD_LDD_12,
	67	GPIO71_LCD_LDD_13,
	68	GPIO72_LCD_LDD_14,
	69	GPIO73_LCD_LDD_15,
	70	GPIO74_LCD_FCLK,
	71	GPIO75_LCD_LCLK,
	72	GPIO76_LCD_PCLK,
	73	GPIO77_LCD_BIAS,
	74	GPIO19_GPIO, /* LCD reset */
	75	GPIO88_GPIO, /* LCD chipselect */
	76
	77	/* PWM */
	78	GPIO115_PWM1_OUT, /* Keypad Backlight */
	79	GPIO11_PWM2_OUT, /* LCD Backlight */
	80
	81	/* MMC */
	82	GPIO32_MMC_CLK,
	83	GPIO112_MMC_CMD,
	84	GPIO92_MMC_DAT_0,
	85	GPIO109_MMC_DAT_1,
	86	GPIO110_MMC_DAT_2,
	87	GPIO111_MMC_DAT_3,
	88	GPIO96_GPIO, /* SD detect */
	89
	90	/* STUART */
	91	GPIO46_STUART_RXD,
	92	GPIO47_STUART_TXD,
	93
	94	/* Keypad */
2e62344d VK	95	GPIO100_KP_MKIN_0,
	96	GPIO101_KP_MKIN_1,
	97	GPIO102_KP_MKIN_2,
	98	GPIO34_KP_MKIN_3,
	99	GPIO38_KP_MKIN_4,
	100	GPIO16_KP_MKIN_5,
	101	GPIO17_KP_MKIN_6,
b6377992 MV	102	GPIO103_KP_MKOUT_0,
	103	GPIO104_KP_MKOUT_1,
	104	GPIO105_KP_MKOUT_2,
	105	GPIO106_KP_MKOUT_3,
	106	GPIO107_KP_MKOUT_4,
	107	GPIO108_KP_MKOUT_5,
	108	GPIO35_KP_MKOUT_6,
	109	GPIO41_KP_MKOUT_7,
	110
	111	/* I2C */
	112	GPIO117_I2C_SCL,
	113	GPIO118_I2C_SDA,
	114
	115	/* SSP1 */
	116	GPIO23_SSP1_SCLK, /* SSP1_SCK */
	117	GPIO25_SSP1_TXD, /* SSP1_TXD */
	118	GPIO26_SSP1_RXD, /* SSP1_RXD */
	119
	120	/* SSP2 */
	121	GPIO22_SSP2_SCLK, /* SSP2_SCK */
	122	GPIO13_SSP2_TXD, /* SSP2_TXD */
	123	GPIO40_SSP2_RXD, /* SSP2_RXD */
	124
	125	/* LEDs */
	126	GPIO10_GPIO, /* WiFi LED */
	127	GPIO83_GPIO, /* Charging LED */
	128	GPIO85_GPIO, /* Charged LED */
	129
	130	/* I2S */
	131	GPIO28_I2S_BITCLK_OUT,
	132	GPIO29_I2S_SDATA_IN,
	133	GPIO30_I2S_SDATA_OUT,
	134	GPIO31_I2S_SYNC,
	135	GPIO113_I2S_SYSCLK,
	136
	137	/* MISC */
	138	GPIO0_GPIO, /* AC power detect */
	139	GPIO1_GPIO, /* Power button */
	140	GPIO37_GPIO, /* Headphone detect */
	141	GPIO98_GPIO, /* Lid switch */
b8f56a78	142	GPIO14_GPIO, /* WiFi Power */
b6377992 MV	143	GPIO24_GPIO, /* WiFi CS */
	144	GPIO36_GPIO, /* WiFi IRQ */
	145	GPIO88_GPIO, /* LCD CS */
	146	};
	147
	148	/******************************************************************************
	149	* NOR Flash
	150	******************************************************************************/
	151	#if defined(CONFIG_MTD_PHYSMAP) \|\| defined(CONFIG_MTD_PHYSMAP_MODULE)
	152	static struct resource z2_flash_resource = {
	153	.start = PXA_CS0_PHYS,
	154	.end = PXA_CS0_PHYS + SZ_8M - 1,
	155	.flags = IORESOURCE_MEM,
	156	};
	157
	158	static struct mtd_partition z2_flash_parts[] = {
	159	{
	160	.name = "U-Boot Bootloader",
	161	.offset = 0x0,
60adc112 MV	162	.size = 0x40000,
60adc112 MV	163	}, {
b6377992	164	.name = "U-Boot Environment",
60adc112	165	.offset = 0x40000,
77310840	166	.size = 0x20000,
60adc112 MV	167	}, {
	168	.name = "Flash",
	169	.offset = 0x60000,
b6377992 MV	170	.size = MTDPART_SIZ_FULL,
	171	},
	172	};
	173
	174	static struct physmap_flash_data z2_flash_data = {
	175	.width = 2,
	176	.parts = z2_flash_parts,
	177	.nr_parts = ARRAY_SIZE(z2_flash_parts),
	178	};
	179
	180	static struct platform_device z2_flash = {
	181	.name = "physmap-flash",
	182	.id = -1,
	183	.resource = &z2_flash_resource,
	184	.num_resources = 1,
	185	.dev = {
	186	.platform_data = &z2_flash_data,
	187	},
	188	};
	189
	190	static void __init z2_nor_init(void)
	191	{
	192	platform_device_register(&z2_flash);
	193	}
	194	#else
	195	static inline void z2_nor_init(void) {}
	196	#endif
	197
	198	/******************************************************************************
	199	* Backlight
	200	******************************************************************************/
	201	#if defined(CONFIG_BACKLIGHT_PWM) \|\| defined(CONFIG_BACKLIGHT_PWM_MODULE)
	202	static struct platform_pwm_backlight_data z2_backlight_data[] = {
	203	[0] = {
	204	/* Keypad Backlight */
	205	.pwm_id = 1,
	206	.max_brightness = 1023,
034e1756	207	.dft_brightness = 0,
b6377992	208	.pwm_period_ns = 1260320,
db01120c	209	.enable_gpio = -1,
b6377992 MV	210	},
	211	[1] = {
	212	/* LCD Backlight */
	213	.pwm_id = 2,
	214	.max_brightness = 1023,
	215	.dft_brightness = 512,
	216	.pwm_period_ns = 1260320,
db01120c	217	.enable_gpio = -1,
b6377992 MV	218	},
	219	};
	220
	221	static struct platform_device z2_backlight_devices[2] = {
	222	{
	223	.name = "pwm-backlight",
	224	.id = 0,
	225	.dev = {
	226	.platform_data = &z2_backlight_data[1],
	227	},
	228	},
	229	{
	230	.name = "pwm-backlight",
	231	.id = 1,
	232	.dev = {
	233	.platform_data = &z2_backlight_data[0],
	234	},
	235	},
	236	};
	237	static void __init z2_pwm_init(void)
	238	{
	239	platform_device_register(&z2_backlight_devices[0]);
	240	platform_device_register(&z2_backlight_devices[1]);
	241	}
	242	#else
	243	static inline void z2_pwm_init(void) {}
	244	#endif
	245
	246	/******************************************************************************
	247	* Framebuffer
	248	******************************************************************************/
	249	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	250	static struct pxafb_mode_info z2_lcd_modes[] = {
	251	{
	252	.pixclock = 192000,
	253	.xres = 240,
	254	.yres = 320,
	255	.bpp = 16,
	256
	257	.left_margin = 4,
	258	.right_margin = 8,
	259	.upper_margin = 4,
	260	.lower_margin = 8,
	261
	262	.hsync_len = 4,
	263	.vsync_len = 4,
	264	},
	265	};
	266
	267	static struct pxafb_mach_info z2_lcd_screen = {
	268	.modes = z2_lcd_modes,
	269	.num_modes = ARRAY_SIZE(z2_lcd_modes),
	270	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_BIAS_ACTIVE_LOW \|
	271	LCD_ALTERNATE_MAPPING,
	272	};
	273
	274	static void __init z2_lcd_init(void)
	275	{
4321e1a1	276	pxa_set_fb_info(NULL, &z2_lcd_screen);
b6377992 MV	277	}
	278	#else
	279	static inline void z2_lcd_init(void) {}
	280	#endif
	281
	282	/******************************************************************************
	283	* SD/MMC card controller
	284	******************************************************************************/
	285	#if defined(CONFIG_MMC_PXA) \|\| defined(CONFIG_MMC_PXA_MODULE)
	286	static struct pxamci_platform_data z2_mci_platform_data = {
	287	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	288	.gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
	289	.gpio_power = -1,
	290	.gpio_card_ro = -1,
f97cab28	291	.detect_delay_ms = 200,
b6377992 MV	292	};
	293
	294	static void __init z2_mmc_init(void)
	295	{
	296	pxa_set_mci_info(&z2_mci_platform_data);
	297	}
	298	#else
	299	static inline void z2_mmc_init(void) {}
	300	#endif
	301
	302	/******************************************************************************
	303	* LEDs
	304	******************************************************************************/
	305	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	306	struct gpio_led z2_gpio_leds[] = {
	307	{
	308	.name = "z2:green:wifi",
	309	.default_trigger = "none",
	310	.gpio = GPIO10_ZIPITZ2_LED_WIFI,
	311	.active_low = 1,
	312	}, {
	313	.name = "z2:green:charged",
54d57100	314	.default_trigger = "mmc0",
b6377992 MV	315	.gpio = GPIO85_ZIPITZ2_LED_CHARGED,
	316	.active_low = 1,
	317	}, {
	318	.name = "z2:amber:charging",
54d57100	319	.default_trigger = "Z2-charging-or-full",
b6377992 MV	320	.gpio = GPIO83_ZIPITZ2_LED_CHARGING,
	321	.active_low = 1,
	322	},
	323	};
	324
	325	static struct gpio_led_platform_data z2_gpio_led_info = {
	326	.leds = z2_gpio_leds,
	327	.num_leds = ARRAY_SIZE(z2_gpio_leds),
	328	};
	329
	330	static struct platform_device z2_leds = {
	331	.name = "leds-gpio",
	332	.id = -1,
	333	.dev = {
	334	.platform_data = &z2_gpio_led_info,
	335	}
	336	};
	337
	338	static void __init z2_leds_init(void)
	339	{
	340	platform_device_register(&z2_leds);
	341	}
	342	#else
	343	static inline void z2_leds_init(void) {}
	344	#endif
	345
	346	/******************************************************************************
	347	* GPIO keyboard
	348	******************************************************************************/
	349	#if defined(CONFIG_KEYBOARD_PXA27x) \|\| defined(CONFIG_KEYBOARD_PXA27x_MODULE)
0a085a94	350	static const unsigned int z2_matrix_keys[] = {
b6377992 MV	351	KEY(0, 0, KEY_OPTION),
	352	KEY(1, 0, KEY_UP),
	353	KEY(2, 0, KEY_DOWN),
	354	KEY(3, 0, KEY_LEFT),
	355	KEY(4, 0, KEY_RIGHT),
	356	KEY(5, 0, KEY_END),
	357	KEY(6, 0, KEY_KPPLUS),
	358
	359	KEY(0, 1, KEY_HOME),
	360	KEY(1, 1, KEY_Q),
	361	KEY(2, 1, KEY_I),
	362	KEY(3, 1, KEY_G),
	363	KEY(4, 1, KEY_X),
	364	KEY(5, 1, KEY_ENTER),
	365	KEY(6, 1, KEY_KPMINUS),
	366
	367	KEY(0, 2, KEY_PAGEUP),
	368	KEY(1, 2, KEY_W),
	369	KEY(2, 2, KEY_O),
	370	KEY(3, 2, KEY_H),
	371	KEY(4, 2, KEY_C),
	372	KEY(5, 2, KEY_LEFTALT),
	373
	374	KEY(0, 3, KEY_PAGEDOWN),
	375	KEY(1, 3, KEY_E),
	376	KEY(2, 3, KEY_P),
	377	KEY(3, 3, KEY_J),
	378	KEY(4, 3, KEY_V),
	379	KEY(5, 3, KEY_LEFTSHIFT),
	380
	381	KEY(0, 4, KEY_ESC),
	382	KEY(1, 4, KEY_R),
	383	KEY(2, 4, KEY_A),
	384	KEY(3, 4, KEY_K),
	385	KEY(4, 4, KEY_B),
	386	KEY(5, 4, KEY_LEFTCTRL),
	387
	388	KEY(0, 5, KEY_TAB),
	389	KEY(1, 5, KEY_T),
	390	KEY(2, 5, KEY_S),
	391	KEY(3, 5, KEY_L),
	392	KEY(4, 5, KEY_N),
	393	KEY(5, 5, KEY_SPACE),
	394
	395	KEY(0, 6, KEY_STOPCD),
	396	KEY(1, 6, KEY_Y),
	397	KEY(2, 6, KEY_D),
	398	KEY(3, 6, KEY_BACKSPACE),
	399	KEY(4, 6, KEY_M),
	400	KEY(5, 6, KEY_COMMA),
	401
	402	KEY(0, 7, KEY_PLAYCD),
	403	KEY(1, 7, KEY_U),
	404	KEY(2, 7, KEY_F),
	405	KEY(3, 7, KEY_Z),
	406	KEY(4, 7, KEY_SEMICOLON),
	407	KEY(5, 7, KEY_DOT),
	408	};
	409
0a085a94 CX	410	static struct matrix_keymap_data z2_matrix_keymap_data = {
	411	.keymap = z2_matrix_keys,
	412	.keymap_size = ARRAY_SIZE(z2_matrix_keys),
	413	};
	414
b6377992 MV	415	static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
	416	.matrix_key_rows = 7,
	417	.matrix_key_cols = 8,
0a085a94	418	.matrix_keymap_data = &z2_matrix_keymap_data,
b6377992 MV	419
	420	.debounce_interval = 30,
	421	};
	422
	423	static void __init z2_mkp_init(void)
	424	{
	425	pxa_set_keypad_info(&z2_keypad_platform_data);
	426	}
	427	#else
	428	static inline void z2_mkp_init(void) {}
	429	#endif
	430
	431	/******************************************************************************
	432	* GPIO keys
	433	******************************************************************************/
	434	#if defined(CONFIG_KEYBOARD_GPIO) \|\| defined(CONFIG_KEYBOARD_GPIO_MODULE)
	435	static struct gpio_keys_button z2_pxa_buttons[] = {
2e62344d VK	436	{
	437	.code = KEY_POWER,
	438	.gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
	439	.active_low = 0,
	440	.desc = "Power Button",
	441	.wakeup = 1,
	442	.type = EV_KEY,
	443	},
	444	{
e3b1ceed	445	.code = SW_LID,
2e62344d	446	.gpio = GPIO98_ZIPITZ2_LID_BUTTON,
e3b1ceed VK	447	.active_low = 1,
	448	.desc = "Lid Switch",
	449	.wakeup = 0,
	450	.type = EV_SW,
2e62344d	451	},
b6377992 MV	452	};
	453
	454	static struct gpio_keys_platform_data z2_pxa_keys_data = {
	455	.buttons = z2_pxa_buttons,
	456	.nbuttons = ARRAY_SIZE(z2_pxa_buttons),
	457	};
	458
	459	static struct platform_device z2_pxa_keys = {
	460	.name = "gpio-keys",
	461	.id = -1,
	462	.dev = {
	463	.platform_data = &z2_pxa_keys_data,
	464	},
	465	};
	466
	467	static void __init z2_keys_init(void)
	468	{
	469	platform_device_register(&z2_pxa_keys);
	470	}
	471	#else
	472	static inline void z2_keys_init(void) {}
	473	#endif
	474
d198290d MV	475	/******************************************************************************
	476	* Battery
	477	******************************************************************************/
	478	#if defined(CONFIG_I2C_PXA) \|\| defined(CONFIG_I2C_PXA_MODULE)
	479	static struct z2_battery_info batt_chip_info = {
	480	.batt_I2C_bus = 0,
	481	.batt_I2C_addr = 0x55,
	482	.batt_I2C_reg = 2,
	483	.charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
233cdbce VK	484	.min_voltage = 3475000,
	485	.max_voltage = 4190000,
	486	.batt_div = 59,
d198290d MV	487	.batt_mult = 1000000,
	488	.batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
	489	.batt_name = "Z2",
	490	};
	491
	492	static struct i2c_board_info __initdata z2_i2c_board_info[] = {
	493	{
	494	I2C_BOARD_INFO("aer915", 0x55),
	495	.platform_data = &batt_chip_info,
8499ded8 MV	496	}, {
	497	I2C_BOARD_INFO("wm8750", 0x1b),
	498	},
	499
d198290d MV	500	};
	501
	502	static void __init z2_i2c_init(void)
	503	{
	504	pxa_set_i2c_info(NULL);
	505	i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
	506	}
	507	#else
	508	static inline void z2_i2c_init(void) {}
	509	#endif
	510
b6377992 MV	511	/******************************************************************************
	512	* SSP Devices - WiFi and LCD control
	513	******************************************************************************/
	514	#if defined(CONFIG_SPI_PXA2XX) \|\| defined(CONFIG_SPI_PXA2XX_MODULE)
	515	/* WiFi */
	516	static int z2_lbs_spi_setup(struct spi_device *spi)
	517	{
	518	int ret = 0;
	519
b8f56a78	520	ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
b6377992 MV	521	if (ret)
	522	goto err;
	523
b8f56a78	524	ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
b6377992 MV	525	if (ret)
	526	goto err2;
	527
b8f56a78	528	/* Wait until card is powered on */
b6377992	529	mdelay(180);
b6377992 MV	530
	531	spi->bits_per_word = 16;
	532	spi->mode = SPI_MODE_2,
	533
	534	spi_setup(spi);
	535
	536	return 0;
	537
b6377992	538	err2:
b8f56a78	539	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
b6377992 MV	540	err:
	541	return ret;
	542	};
	543
	544	static int z2_lbs_spi_teardown(struct spi_device *spi)
	545	{
b8f56a78 VK	546	gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
b8f56a78 VK	547	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
b6377992	548
b8f56a78	549	return 0;
b6377992 MV	550	};
	551
	552	static struct pxa2xx_spi_chip z2_lbs_chip_info = {
	553	.rx_threshold = 8,
	554	.tx_threshold = 8,
	555	.timeout = 1000,
	556	.gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
	557	};
	558
	559	static struct libertas_spi_platform_data z2_lbs_pdata = {
	560	.use_dummy_writes = 1,
	561	.setup = z2_lbs_spi_setup,
	562	.teardown = z2_lbs_spi_teardown,
	563	};
	564
	565	/* LCD */
	566	static struct pxa2xx_spi_chip lms283_chip_info = {
	567	.rx_threshold = 1,
	568	.tx_threshold = 1,
	569	.timeout = 64,
	570	.gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
	571	};
	572
	573	static const struct lms283gf05_pdata lms283_pdata = {
	574	.reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
	575	};
	576
	577	static struct spi_board_info spi_board_info[] __initdata = {
	578	{
	579	.modalias = "libertas_spi",
	580	.platform_data = &z2_lbs_pdata,
	581	.controller_data = &z2_lbs_chip_info,
4929f5a8	582	.irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
b6377992 MV	583	.max_speed_hz = 13000000,
	584	.bus_num = 1,
	585	.chip_select = 0,
	586	},
	587	{
	588	.modalias = "lms283gf05",
	589	.controller_data = &lms283_chip_info,
	590	.platform_data = &lms283_pdata,
	591	.max_speed_hz = 400000,
	592	.bus_num = 2,
	593	.chip_select = 0,
	594	},
	595	};
	596
	597	static struct pxa2xx_spi_master pxa_ssp1_master_info = {
	598	.clock_enable = CKEN_SSP,
	599	.num_chipselect = 1,
	600	.enable_dma = 1,
	601	};
	602
	603	static struct pxa2xx_spi_master pxa_ssp2_master_info = {
	604	.clock_enable = CKEN_SSP2,
	605	.num_chipselect = 1,
	606	};
	607
	608	static void __init z2_spi_init(void)
	609	{
	610	pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
	611	pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
	612	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
	613	}
	614	#else
	615	static inline void z2_spi_init(void) {}
	616	#endif
	617
320bbb86 MV	618	/******************************************************************************
	619	* Core power regulator
	620	******************************************************************************/
	621	#if defined(CONFIG_REGULATOR_TPS65023) \|\| \
	622	defined(CONFIG_REGULATOR_TPS65023_MODULE)
	623	static struct regulator_consumer_supply z2_tps65021_consumers[] = {
0bf189ab	624	REGULATOR_SUPPLY("vcc_core", NULL),
320bbb86 MV	625	};
	626
	627	static struct regulator_init_data z2_tps65021_info[] = {
	628	{
	629	.constraints = {
	630	.name = "vcc_core range",
	631	.min_uV = 800000,
	632	.max_uV = 1600000,
	633	.always_on = 1,
	634	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
	635	},
	636	.consumer_supplies = z2_tps65021_consumers,
	637	.num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
	638	}, {
	639	.constraints = {
	640	.name = "DCDC2",
	641	.min_uV = 3300000,
	642	.max_uV = 3300000,
	643	.always_on = 1,
	644	},
	645	}, {
	646	.constraints = {
	647	.name = "DCDC3",
	648	.min_uV = 1800000,
	649	.max_uV = 1800000,
	650	.always_on = 1,
	651	},
	652	}, {
	653	.constraints = {
	654	.name = "LDO1",
	655	.min_uV = 1000000,
	656	.max_uV = 3150000,
	657	.always_on = 1,
	658	},
	659	}, {
	660	.constraints = {
	661	.name = "LDO2",
	662	.min_uV = 1050000,
	663	.max_uV = 3300000,
	664	.always_on = 1,
	665	},
	666	}
	667	};
	668
	669	static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
	670	{
	671	I2C_BOARD_INFO("tps65021", 0x48),
	672	.platform_data = &z2_tps65021_info,
	673	},
	674	};
	675
	676	static void __init z2_pmic_init(void)
	677	{
	678	pxa27x_set_i2c_power_info(NULL);
	679	i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
	680	}
	681	#else
	682	static inline void z2_pmic_init(void) {}
	683	#endif
	684
41646b24 VK	685	#ifdef CONFIG_PM
	686	static void z2_power_off(void)
	687	{
	688	/* We're using deep sleep as poweroff, so clear PSPR to ensure that
	689	* bootloader will jump to its entry point in resume handler
	690	*/
	691	PSPR = 0x0;
	692	local_irq_disable();
ba4a90a6 EM	693	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
ba4a90a6 EM	694	pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
41646b24 VK	695	}
	696	#else
	697	#define z2_power_off NULL
	698	#endif
	699
b6377992 MV	700	/******************************************************************************
	701	* Machine init
	702	******************************************************************************/
	703	static void __init z2_init(void)
	704	{
	705	pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
	706
d198290d MV	707	pxa_set_ffuart_info(NULL);
	708	pxa_set_btuart_info(NULL);
	709	pxa_set_stuart_info(NULL);
	710
b6377992 MV	711	z2_lcd_init();
	712	z2_mmc_init();
	713	z2_mkp_init();
d198290d	714	z2_i2c_init();
b6377992 MV	715	z2_spi_init();
	716	z2_nor_init();
	717	z2_pwm_init();
	718	z2_leds_init();
	719	z2_keys_init();
320bbb86	720	z2_pmic_init();
41646b24 VK	721
41646b24 VK	722	pm_power_off = z2_power_off;
b6377992 MV	723	}
	724
	725	MACHINE_START(ZIPIT2, "Zipit Z2")
7375aba6	726	.atag_offset = 0x100,
851982c1	727	.map_io = pxa27x_map_io,
4e611091	728	.nr_irqs = PXA_NR_IRQS,
b6377992	729	.init_irq = pxa27x_init_irq,
8a97ae2f	730	.handle_irq = pxa27x_handle_irq,
6bb27d73	731	.init_time = pxa_timer_init,
b6377992	732	.init_machine = z2_init,
271a74fc	733	.restart = pxa_restart,
b6377992	734	MACHINE_END