[linux-2.6-block.git] / arch / arm / mach-pxa / cm-x300.c

/*
 * linux/arch/arm/mach-pxa/cm-x300.c
 *
 * Support for the CompuLab CM-X300 modules
 *
 * Copyright (C) 2008,2009 CompuLab Ltd.
 *
 * Mike Rapoport <mike@compulab.co.il>
 * Igor Grinberg <grinberg@compulab.co.il>
 *
 * 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/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/platform_device.h>

#include <linux/gpio.h>
#include <linux/dm9000.h>
#include <linux/leds.h>
#include <linux/rtc-v3020.h>
#include <linux/pwm_backlight.h>

#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>

#include <linux/mfd/da903x.h>

#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/tdo24m.h>

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

#include <mach/pxa300.h>
#include <mach/pxa27x-udc.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <plat/i2c.h>
#include <plat/pxa3xx_nand.h>
#include <mach/audio.h>

#include <asm/mach/map.h>

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

#define CM_X300_ETH_PHYS	0x08000010

#define GPIO82_MMC_IRQ		(82)
#define GPIO85_MMC_WP		(85)

#define	CM_X300_MMC_IRQ		IRQ_GPIO(GPIO82_MMC_IRQ)

#define GPIO95_RTC_CS		(95)
#define GPIO96_RTC_WR		(96)
#define GPIO97_RTC_RD		(97)
#define GPIO98_RTC_IO		(98)

static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
	/* LCD */
	GPIO54_LCD_LDD_0,
	GPIO55_LCD_LDD_1,
	GPIO56_LCD_LDD_2,
	GPIO57_LCD_LDD_3,
	GPIO58_LCD_LDD_4,
	GPIO59_LCD_LDD_5,
	GPIO60_LCD_LDD_6,
	GPIO61_LCD_LDD_7,
	GPIO62_LCD_LDD_8,
	GPIO63_LCD_LDD_9,
	GPIO64_LCD_LDD_10,
	GPIO65_LCD_LDD_11,
	GPIO66_LCD_LDD_12,
	GPIO67_LCD_LDD_13,
	GPIO68_LCD_LDD_14,
	GPIO69_LCD_LDD_15,
	GPIO72_LCD_FCLK,
	GPIO73_LCD_LCLK,
	GPIO74_LCD_PCLK,
	GPIO75_LCD_BIAS,

	/* BTUART */
	GPIO111_UART2_RTS,
	GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
	GPIO113_UART2_TXD,
	GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,

	/* STUART */
	GPIO109_UART3_TXD,
	GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,

	/* AC97 */
	GPIO23_AC97_nACRESET,
	GPIO24_AC97_SYSCLK,
	GPIO29_AC97_BITCLK,
	GPIO25_AC97_SDATA_IN_0,
	GPIO27_AC97_SDATA_OUT,
	GPIO28_AC97_SYNC,

	/* Keypad */
	GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
	GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
	GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
	GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
	GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
	GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
	GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
	GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
	GPIO121_KP_MKOUT_0,
	GPIO122_KP_MKOUT_1,
	GPIO123_KP_MKOUT_2,
	GPIO124_KP_MKOUT_3,
	GPIO125_KP_MKOUT_4,
	GPIO4_2_KP_MKOUT_5,

	/* MMC1 */
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO7_MMC1_CLK,
	GPIO8_MMC1_CMD,	/* CMD0 for slot 0 */

	/* MMC2 */
	GPIO9_MMC2_DAT0,
	GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
	GPIO11_MMC2_DAT2,
	GPIO12_MMC2_DAT3,
	GPIO13_MMC2_CLK,
	GPIO14_MMC2_CMD,

	/* FFUART */
	GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
	GPIO31_UART1_TXD,
	GPIO32_UART1_CTS,
	GPIO37_UART1_RTS,
	GPIO33_UART1_DCD,
	GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
	GPIO35_UART1_RI,
	GPIO36_UART1_DTR,

	/* GPIOs */
	GPIO82_GPIO | MFP_PULL_HIGH,	/* MMC CD */
	GPIO85_GPIO,			/* MMC WP */
	GPIO99_GPIO,			/* Ethernet IRQ */

	/* RTC GPIOs */
	GPIO95_GPIO,			/* RTC CS */
	GPIO96_GPIO,			/* RTC WR */
	GPIO97_GPIO,			/* RTC RD */
	GPIO98_GPIO,			/* RTC IO */

	/* Standard I2C */
	GPIO21_I2C_SCL,
	GPIO22_I2C_SDA,

	/* PWM Backlight */
	GPIO19_PWM2_OUT,
};

static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
	/* GPIOs */
	GPIO79_GPIO,			/* LED */
	GPIO77_GPIO,			/* WiFi reset */
	GPIO78_GPIO,			/* BT reset */
};

static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
	/* GPIOs */
	GPIO76_GPIO,			/* LED */
	GPIO71_GPIO,			/* WiFi reset */
	GPIO70_GPIO,			/* BT reset */
};

static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
	/* USB PORT 2 */
	ULPI_STP,
	ULPI_NXT,
	ULPI_DIR,
	GPIO30_ULPI_DATA_OUT_0,
	GPIO31_ULPI_DATA_OUT_1,
	GPIO32_ULPI_DATA_OUT_2,
	GPIO33_ULPI_DATA_OUT_3,
	GPIO34_ULPI_DATA_OUT_4,
	GPIO35_ULPI_DATA_OUT_5,
	GPIO36_ULPI_DATA_OUT_6,
	GPIO37_ULPI_DATA_OUT_7,
	GPIO38_ULPI_CLK,
	/* external PHY reset pin */
	GPIO127_GPIO,

	/* USB PORT 3 */
	GPIO77_USB_P3_1,
	GPIO78_USB_P3_2,
	GPIO79_USB_P3_3,
	GPIO80_USB_P3_4,
	GPIO81_USB_P3_5,
	GPIO82_USB_P3_6,
	GPIO0_2_USBH_PEN,
};

#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource dm9000_resources[] = {
	[0] = {
		.start	= CM_X300_ETH_PHYS,
		.end	= CM_X300_ETH_PHYS + 0x3,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= CM_X300_ETH_PHYS + 0x4,
		.end	= CM_X300_ETH_PHYS + 0x4 + 500,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
		.end	= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

static struct dm9000_plat_data cm_x300_dm9000_platdata = {
	.flags		= DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
};

static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
	.dev		= {
		.platform_data = &cm_x300_dm9000_platdata,
	}

};

static void __init cm_x300_init_dm9000(void)
{
	platform_device_register(&dm9000_device);
}
#else
static inline void cm_x300_init_dm9000(void) {}
#endif

/* LCD */
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info cm_x300_lcd_modes[] = {
	[0] = {
		.pixclock	= 38250,
		.bpp		= 16,
		.xres		= 480,
		.yres		= 640,
		.hsync_len	= 8,
		.vsync_len	= 2,
		.left_margin	= 8,
		.upper_margin	= 2,
		.right_margin	= 24,
		.lower_margin	= 4,
		.cmap_greyscale	= 0,
	},
	[1] = {
		.pixclock	= 153800,
		.bpp		= 16,
		.xres		= 240,
		.yres		= 320,
		.hsync_len	= 8,
		.vsync_len	= 2,
		.left_margin	= 8,
		.upper_margin	= 2,
		.right_margin	= 88,
		.lower_margin	= 2,
		.cmap_greyscale	= 0,
	},
};

static struct pxafb_mach_info cm_x300_lcd = {
	.modes			= cm_x300_lcd_modes,
	.num_modes		= ARRAY_SIZE(cm_x300_lcd_modes),
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static void __init cm_x300_init_lcd(void)
{
	set_pxa_fb_info(&cm_x300_lcd);
}
#else
static inline void cm_x300_init_lcd(void) {}
#endif

#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct platform_pwm_backlight_data cm_x300_backlight_data = {
	.pwm_id		= 2,
	.max_brightness	= 100,
	.dft_brightness	= 100,
	.pwm_period_ns	= 10000,
};

static struct platform_device cm_x300_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm0.dev,
		.platform_data	= &cm_x300_backlight_data,
	},
};

static void cm_x300_init_bl(void)
{
	platform_device_register(&cm_x300_backlight_device);
}
#else
static inline void cm_x300_init_bl(void) {}
#endif

#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
#define GPIO_LCD_BASE	(144)
#define GPIO_LCD_DIN	(GPIO_LCD_BASE + 8)	/* aux_gpio3_0 */
#define GPIO_LCD_DOUT	(GPIO_LCD_BASE + 9)	/* aux_gpio3_1 */
#define GPIO_LCD_SCL	(GPIO_LCD_BASE + 10)	/* aux_gpio3_2 */
#define GPIO_LCD_CS	(GPIO_LCD_BASE + 11)	/* aux_gpio3_3 */
#define LCD_SPI_BUS_NUM	(1)

static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
	.sck		= GPIO_LCD_SCL,
	.mosi		= GPIO_LCD_DIN,
	.miso		= GPIO_LCD_DOUT,
	.num_chipselect	= 1,
};

static struct platform_device cm_x300_spi_gpio = {
	.name		= "spi_gpio",
	.id		= LCD_SPI_BUS_NUM,
	.dev		= {
		.platform_data	= &cm_x300_spi_gpio_pdata,
	},
};

static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
	.model = TDO35S,
};

static struct spi_board_info cm_x300_spi_devices[] __initdata = {
	{
		.modalias		= "tdo24m",
		.max_speed_hz		= 1000000,
		.bus_num		= LCD_SPI_BUS_NUM,
		.chip_select		= 0,
		.controller_data	= (void *) GPIO_LCD_CS,
		.platform_data		= &cm_x300_tdo24m_pdata,
	},
};

static void __init cm_x300_init_spi(void)
{
	spi_register_board_info(cm_x300_spi_devices,
				ARRAY_SIZE(cm_x300_spi_devices));
	platform_device_register(&cm_x300_spi_gpio);
}
#else
static inline void cm_x300_init_spi(void) {}
#endif

#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
static void __init cm_x300_init_ac97(void)
{
	pxa_set_ac97_info(NULL);
}
#else
static inline void cm_x300_init_ac97(void) {}
#endif

#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
static struct mtd_partition cm_x300_nand_partitions[] = {
	[0] = {
		.name        = "OBM",
		.offset      = 0,
		.size        = SZ_256K,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[1] = {
		.name        = "U-Boot",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[2] = {
		.name        = "Environment",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K,
	},
	[3] = {
		.name        = "reserved",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K + SZ_1M,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[4] = {
		.name        = "kernel",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_4M,
	},
	[5] = {
		.name        = "fs",
		.offset      = MTDPART_OFS_APPEND,
		.size        = MTDPART_SIZ_FULL,
	},
};

static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
	.enable_arbiter	= 1,
	.keep_config	= 1,
	.parts		= cm_x300_nand_partitions,
	.nr_parts	= ARRAY_SIZE(cm_x300_nand_partitions),
};

static void __init cm_x300_init_nand(void)
{
	pxa3xx_set_nand_info(&cm_x300_nand_info);
}
#else
static inline void cm_x300_init_nand(void) {}
#endif

#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
static struct pxamci_platform_data cm_x300_mci_platform_data = {
	.detect_delay		= 20,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.gpio_card_detect	= GPIO82_MMC_IRQ,
	.gpio_card_ro		= GPIO85_MMC_WP,
	.gpio_power		= -1,
};

/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
   no detection/ro pins */
static int cm_x300_mci2_init(struct device *dev,
			     irq_handler_t cm_x300_detect_int,
	void *data)
{
	return 0;
}

static void cm_x300_mci2_exit(struct device *dev, void *data)
{
}

static struct pxamci_platform_data cm_x300_mci2_platform_data = {
	.detect_delay		= 20,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 			= cm_x300_mci2_init,
	.exit			= cm_x300_mci2_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

static void __init cm_x300_init_mmc(void)
{
	pxa_set_mci_info(&cm_x300_mci_platform_data);
	pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
}
#else
static inline void cm_x300_init_mmc(void) {}
#endif

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int cm_x300_ohci_init(struct device *dev)
{
	if (cpu_is_pxa300())
		UP2OCR = UP2OCR_HXS
			| UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;

	return 0;
}

static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW,
	.init		= cm_x300_ohci_init,
};

static void __init cm_x300_init_ohci(void)
{
	pxa_set_ohci_info(&cm_x300_ohci_platform_data);
}
#else
static inline void cm_x300_init_ohci(void) {}
#endif

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led cm_x300_leds[] = {
	[0] = {
		.name = "cm-x300:green",
		.default_trigger = "heartbeat",
		.active_low = 1,
	},
};

static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
	.num_leds = ARRAY_SIZE(cm_x300_leds),
	.leds = cm_x300_leds,
};

static struct platform_device cm_x300_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data = &cm_x300_gpio_led_pdata,
	},
};

static void __init cm_x300_init_leds(void)
{
	if (system_rev < 130)
		cm_x300_leds[0].gpio = 79;
	else
		cm_x300_leds[0].gpio = 76;

	platform_device_register(&cm_x300_led_device);
}
#else
static inline void cm_x300_init_leds(void) {}
#endif

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/* PCA9555 */
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
	.gpio_base = 128,
};

static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
	.gpio_base = 144,
};

static struct i2c_board_info cm_x300_gpio_ext_info[] = {
	[0] = {
		I2C_BOARD_INFO("pca9555", 0x24),
		.platform_data = &cm_x300_gpio_ext_pdata_0,
	},
	[1] = {
		I2C_BOARD_INFO("pca9555", 0x25),
		.platform_data = &cm_x300_gpio_ext_pdata_1,
	},
};

static void __init cm_x300_init_i2c(void)
{
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, cm_x300_gpio_ext_info,
				ARRAY_SIZE(cm_x300_gpio_ext_info));
}
#else
static inline void cm_x300_init_i2c(void) {}
#endif

#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
struct v3020_platform_data cm_x300_v3020_pdata = {
	.use_gpio	= 1,
	.gpio_cs	= GPIO95_RTC_CS,
	.gpio_wr	= GPIO96_RTC_WR,
	.gpio_rd	= GPIO97_RTC_RD,
	.gpio_io	= GPIO98_RTC_IO,
};

static struct platform_device cm_x300_rtc_device = {
	.name		= "v3020",
	.id		= -1,
	.dev		= {
		.platform_data = &cm_x300_v3020_pdata,
	}
};

static void __init cm_x300_init_rtc(void)
{
	platform_device_register(&cm_x300_rtc_device);
}
#else
static inline void cm_x300_init_rtc(void) {}
#endif

/* DA9030 */
struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
	{
		.name = "da903x-backlight",
		.id = DA9030_ID_WLED,
	}
};

static struct da903x_platform_data cm_x300_da9030_info = {
	.num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
	.subdevs = cm_x300_da9030_subdevs,
};

static struct i2c_board_info cm_x300_pmic_info = {
	I2C_BOARD_INFO("da9030", 0x49),
	.irq = IRQ_GPIO(0),
	.platform_data = &cm_x300_da9030_info,
};

static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
	.use_pio = 1,
};

static void __init cm_x300_init_da9030(void)
{
	pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
	i2c_register_board_info(1, &cm_x300_pmic_info, 1);
}

static void __init cm_x300_init_wi2wi(void)
{
	int bt_reset, wlan_en;
	int err;

	if (system_rev < 130) {
		wlan_en = 77;
		bt_reset = 78;
	} else {
		wlan_en = 71;
		bt_reset = 70;
	}

	/* Libertas and CSR reset */
	err = gpio_request(wlan_en, "wlan en");
	if (err) {
		pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
	} else {
		gpio_direction_output(wlan_en, 1);
		gpio_free(wlan_en);
	}

	err = gpio_request(bt_reset, "bt reset");
	if (err) {
		pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
	} else {
		gpio_direction_output(bt_reset, 1);
		udelay(10);
		gpio_set_value(bt_reset, 0);
		udelay(10);
		gpio_set_value(bt_reset, 1);
		gpio_free(bt_reset);
	}
}

/* MFP */
static void __init cm_x300_init_mfp(void)
{
	/* board-processor specific GPIO initialization */
	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));

	if (system_rev < 130)
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
	else
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));

	if (cpu_is_pxa310())
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
}

static void __init cm_x300_init(void)
{
	cm_x300_init_mfp();

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

	cm_x300_init_da9030();
	cm_x300_init_dm9000();
	cm_x300_init_lcd();
	cm_x300_init_ohci();
	cm_x300_init_mmc();
	cm_x300_init_nand();
	cm_x300_init_leds();
	cm_x300_init_i2c();
	cm_x300_init_spi();
	cm_x300_init_rtc();
	cm_x300_init_ac97();
	cm_x300_init_wi2wi();
	cm_x300_init_bl();
}

static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
				 char **cmdline, struct meminfo *mi)
{
	mi->nr_banks = 2;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].node = 0;
	mi->bank[0].size = (64*1024*1024);
	mi->bank[1].start = 0xc0000000;
	mi->bank[1].node = 0;
	mi->bank[1].size = (64*1024*1024);
}

MACHINE_START(CM_X300, "CM-X300 module")
	.phys_io	= 0x40000000,
	.boot_params	= 0xa0000100,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io		= pxa_map_io,
	.init_irq	= pxa3xx_init_irq,
	.timer		= &pxa_timer,
	.init_machine	= cm_x300_init,
	.fixup		= cm_x300_fixup,
MACHINE_END
Commit	Line	Data
cf75d8d2 MR	1	/*
	2	* linux/arch/arm/mach-pxa/cm-x300.c
	3	*
	4	* Support for the CompuLab CM-X300 modules
	5	*
14fd9e00	6	* Copyright (C) 2008,2009 CompuLab Ltd.
cf75d8d2 MR	7	*
cf75d8d2 MR	8	* Mike Rapoport <mike@compulab.co.il>
14fd9e00	9	* Igor Grinberg <grinberg@compulab.co.il>
cf75d8d2 MR	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/module.h>
	17	#include <linux/kernel.h>
	18	#include <linux/interrupt.h>
	19	#include <linux/init.h>
b3d01da6	20	#include <linux/delay.h>
cf75d8d2 MR	21	#include <linux/platform_device.h>
	22
	23	#include <linux/gpio.h>
	24	#include <linux/dm9000.h>
	25	#include <linux/leds.h>
1858ced3	26	#include <linux/rtc-v3020.h>
db205463	27	#include <linux/pwm_backlight.h>
cf75d8d2 MR	28
	29	#include <linux/i2c.h>
	30	#include <linux/i2c/pca953x.h>
	31
9c017ca1 IG	32	#include <linux/mfd/da903x.h>
9c017ca1 IG	33
83e560ee IG	34	#include <linux/spi/spi.h>
	35	#include <linux/spi/spi_gpio.h>
	36	#include <linux/spi/tdo24m.h>
	37
cf75d8d2 MR	38	#include <asm/mach-types.h>
cf75d8d2 MR	39	#include <asm/mach/arch.h>
b5a5c474	40	#include <asm/setup.h>
cf75d8d2	41
51c62982	42	#include <mach/pxa300.h>
edaa64c9	43	#include <mach/pxa27x-udc.h>
cf75d8d2 MR	44	#include <mach/pxafb.h>
	45	#include <mach/mmc.h>
	46	#include <mach/ohci.h>
f0a83701	47	#include <plat/i2c.h>
82b95ecb	48	#include <plat/pxa3xx_nand.h>
74e74def	49	#include <mach/audio.h>
cf75d8d2 MR	50
	51	#include <asm/mach/map.h>
	52
	53	#include "generic.h"
db205463	54	#include "devices.h"
cf75d8d2 MR	55
	56	#define CM_X300_ETH_PHYS 0x08000010
	57
0bff2fc3 MR	58	#define GPIO82_MMC_IRQ (82)
0bff2fc3 MR	59	#define GPIO85_MMC_WP (85)
cf75d8d2	60
0bff2fc3	61	#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
cf75d8d2	62
1858ced3 MR	63	#define GPIO95_RTC_CS (95)
	64	#define GPIO96_RTC_WR (96)
	65	#define GPIO97_RTC_RD (97)
	66	#define GPIO98_RTC_IO (98)
	67
def8252d	68	static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
cf75d8d2 MR	69	/* LCD */
	70	GPIO54_LCD_LDD_0,
	71	GPIO55_LCD_LDD_1,
	72	GPIO56_LCD_LDD_2,
	73	GPIO57_LCD_LDD_3,
	74	GPIO58_LCD_LDD_4,
	75	GPIO59_LCD_LDD_5,
	76	GPIO60_LCD_LDD_6,
	77	GPIO61_LCD_LDD_7,
	78	GPIO62_LCD_LDD_8,
	79	GPIO63_LCD_LDD_9,
	80	GPIO64_LCD_LDD_10,
	81	GPIO65_LCD_LDD_11,
	82	GPIO66_LCD_LDD_12,
	83	GPIO67_LCD_LDD_13,
	84	GPIO68_LCD_LDD_14,
	85	GPIO69_LCD_LDD_15,
	86	GPIO72_LCD_FCLK,
	87	GPIO73_LCD_LCLK,
	88	GPIO74_LCD_PCLK,
	89	GPIO75_LCD_BIAS,
	90
	91	/* BTUART */
	92	GPIO111_UART2_RTS,
	93	GPIO112_UART2_RXD \| MFP_LPM_EDGE_FALL,
	94	GPIO113_UART2_TXD,
	95	GPIO114_UART2_CTS \| MFP_LPM_EDGE_BOTH,
	96
	97	/* STUART */
	98	GPIO109_UART3_TXD,
	99	GPIO110_UART3_RXD \| MFP_LPM_EDGE_FALL,
	100
	101	/* AC97 */
	102	GPIO23_AC97_nACRESET,
	103	GPIO24_AC97_SYSCLK,
	104	GPIO29_AC97_BITCLK,
	105	GPIO25_AC97_SDATA_IN_0,
	106	GPIO27_AC97_SDATA_OUT,
	107	GPIO28_AC97_SYNC,
	108
	109	/* Keypad */
	110	GPIO115_KP_MKIN_0 \| MFP_LPM_EDGE_BOTH,
	111	GPIO116_KP_MKIN_1 \| MFP_LPM_EDGE_BOTH,
	112	GPIO117_KP_MKIN_2 \| MFP_LPM_EDGE_BOTH,
	113	GPIO118_KP_MKIN_3 \| MFP_LPM_EDGE_BOTH,
	114	GPIO119_KP_MKIN_4 \| MFP_LPM_EDGE_BOTH,
	115	GPIO120_KP_MKIN_5 \| MFP_LPM_EDGE_BOTH,
	116	GPIO2_2_KP_MKIN_6 \| MFP_LPM_EDGE_BOTH,
	117	GPIO3_2_KP_MKIN_7 \| MFP_LPM_EDGE_BOTH,
	118	GPIO121_KP_MKOUT_0,
	119	GPIO122_KP_MKOUT_1,
	120	GPIO123_KP_MKOUT_2,
	121	GPIO124_KP_MKOUT_3,
	122	GPIO125_KP_MKOUT_4,
	123	GPIO4_2_KP_MKOUT_5,
	124
	125	/* MMC1 */
	126	GPIO3_MMC1_DAT0,
	127	GPIO4_MMC1_DAT1 \| MFP_LPM_EDGE_BOTH,
	128	GPIO5_MMC1_DAT2,
	129	GPIO6_MMC1_DAT3,
	130	GPIO7_MMC1_CLK,
	131	GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
	132
133	/* MMC2 */
134	GPIO9_MMC2_DAT0,
135	GPIO10_MMC2_DAT1 \| MFP_LPM_EDGE_BOTH,
136	GPIO11_MMC2_DAT2,
137	GPIO12_MMC2_DAT3,
138	GPIO13_MMC2_CLK,
139	GPIO14_MMC2_CMD,
140
141	/* FFUART */
142	GPIO30_UART1_RXD \| MFP_LPM_EDGE_FALL,
143	GPIO31_UART1_TXD,
144	GPIO32_UART1_CTS,
145	GPIO37_UART1_RTS,
146	GPIO33_UART1_DCD,
147	GPIO34_UART1_DSR \| MFP_LPM_EDGE_FALL,
148	GPIO35_UART1_RI,
149	GPIO36_UART1_DTR,
150
151	/* GPIOs */
cf75d8d2 MR	152	GPIO82_GPIO \| MFP_PULL_HIGH, /* MMC CD */
	153	GPIO85_GPIO, /* MMC WP */
	154	GPIO99_GPIO, /* Ethernet IRQ */
6f584cfa	155
1858ced3 MR	156	/* RTC GPIOs */
	157	GPIO95_GPIO, /* RTC CS */
	158	GPIO96_GPIO, /* RTC WR */
	159	GPIO97_GPIO, /* RTC RD */
	160	GPIO98_GPIO, /* RTC IO */
	161
6f584cfa EM	162	/* Standard I2C */
	163	GPIO21_I2C_SCL,
	164	GPIO22_I2C_SDA,
db205463 IG	165
	166	/* PWM Backlight */
	167	GPIO19_PWM2_OUT,
cf75d8d2 MR	168	};
cf75d8d2 MR	169
def8252d	170	static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
55052ea2 IG	171	/* GPIOs */
	172	GPIO79_GPIO, /* LED */
	173	GPIO77_GPIO, /* WiFi reset */
	174	GPIO78_GPIO, /* BT reset */
	175	};
	176
def8252d	177	static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
55052ea2 IG	178	/* GPIOs */
	179	GPIO76_GPIO, /* LED */
	180	GPIO71_GPIO, /* WiFi reset */
	181	GPIO70_GPIO, /* BT reset */
	182	};
	183
def8252d IG	184	static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
	185	/* USB PORT 2 */
	186	ULPI_STP,
	187	ULPI_NXT,
	188	ULPI_DIR,
	189	GPIO30_ULPI_DATA_OUT_0,
	190	GPIO31_ULPI_DATA_OUT_1,
	191	GPIO32_ULPI_DATA_OUT_2,
	192	GPIO33_ULPI_DATA_OUT_3,
	193	GPIO34_ULPI_DATA_OUT_4,
	194	GPIO35_ULPI_DATA_OUT_5,
	195	GPIO36_ULPI_DATA_OUT_6,
	196	GPIO37_ULPI_DATA_OUT_7,
	197	GPIO38_ULPI_CLK,
	198	/* external PHY reset pin */
	199	GPIO127_GPIO,
	200
	201	/* USB PORT 3 */
	202	GPIO77_USB_P3_1,
	203	GPIO78_USB_P3_2,
	204	GPIO79_USB_P3_3,
	205	GPIO80_USB_P3_4,
	206	GPIO81_USB_P3_5,
	207	GPIO82_USB_P3_6,
	208	GPIO0_2_USBH_PEN,
	209	};
	210
cf75d8d2 MR	211	#if defined(CONFIG_DM9000) \|\| defined(CONFIG_DM9000_MODULE)
	212	static struct resource dm9000_resources[] = {
	213	[0] = {
	214	.start = CM_X300_ETH_PHYS,
	215	.end = CM_X300_ETH_PHYS + 0x3,
	216	.flags = IORESOURCE_MEM,
	217	},
	218	[1] = {
	219	.start = CM_X300_ETH_PHYS + 0x4,
	220	.end = CM_X300_ETH_PHYS + 0x4 + 500,
	221	.flags = IORESOURCE_MEM,
	222	},
	223	[2] = {
	224	.start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
	225	.end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
	226	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	227	}
	228	};
	229
	230	static struct dm9000_plat_data cm_x300_dm9000_platdata = {
bff22c9b	231	.flags = DM9000_PLATF_16BITONLY \| DM9000_PLATF_NO_EEPROM,
cf75d8d2 MR	232	};
	233
	234	static struct platform_device dm9000_device = {
	235	.name = "dm9000",
	236	.id = 0,
	237	.num_resources = ARRAY_SIZE(dm9000_resources),
	238	.resource = dm9000_resources,
	239	.dev = {
	240	.platform_data = &cm_x300_dm9000_platdata,
	241	}
	242
	243	};
	244
	245	static void __init cm_x300_init_dm9000(void)
	246	{
	247	platform_device_register(&dm9000_device);
	248	}
	249	#else
	250	static inline void cm_x300_init_dm9000(void) {}
	251	#endif
	252
83e560ee	253	/* LCD */
cf75d8d2 MR	254	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	255	static struct pxafb_mode_info cm_x300_lcd_modes[] = {
	256	[0] = {
83e560ee	257	.pixclock = 38250,
cf75d8d2 MR	258	.bpp = 16,
	259	.xres = 480,
	260	.yres = 640,
	261	.hsync_len = 8,
	262	.vsync_len = 2,
	263	.left_margin = 8,
83e560ee	264	.upper_margin = 2,
cf75d8d2 MR	265	.right_margin = 24,
	266	.lower_margin = 4,
	267	.cmap_greyscale = 0,
	268	},
	269	[1] = {
	270	.pixclock = 153800,
	271	.bpp = 16,
	272	.xres = 240,
	273	.yres = 320,
	274	.hsync_len = 8,
	275	.vsync_len = 2,
	276	.left_margin = 8,
	277	.upper_margin = 2,
	278	.right_margin = 88,
	279	.lower_margin = 2,
	280	.cmap_greyscale = 0,
	281	},
	282	};
	283
	284	static struct pxafb_mach_info cm_x300_lcd = {
	285	.modes = cm_x300_lcd_modes,
83e560ee	286	.num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
cf75d8d2 MR	287	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
	288	};
	289
	290	static void __init cm_x300_init_lcd(void)
	291	{
	292	set_pxa_fb_info(&cm_x300_lcd);
	293	}
	294	#else
	295	static inline void cm_x300_init_lcd(void) {}
	296	#endif
	297
db205463 IG	298	#if defined(CONFIG_BACKLIGHT_PWM) \|\| defined(CONFIG_BACKLIGHT_PWM_MODULE)
	299	static struct platform_pwm_backlight_data cm_x300_backlight_data = {
	300	.pwm_id = 2,
	301	.max_brightness = 100,
	302	.dft_brightness = 100,
	303	.pwm_period_ns = 10000,
	304	};
	305
	306	static struct platform_device cm_x300_backlight_device = {
	307	.name = "pwm-backlight",
	308	.dev = {
	309	.parent = &pxa27x_device_pwm0.dev,
	310	.platform_data = &cm_x300_backlight_data,
	311	},
	312	};
	313
	314	static void cm_x300_init_bl(void)
	315	{
	316	platform_device_register(&cm_x300_backlight_device);
	317	}
	318	#else
	319	static inline void cm_x300_init_bl(void) {}
	320	#endif
	321
83e560ee IG	322	#if defined(CONFIG_SPI_GPIO) \|\| defined(CONFIG_SPI_GPIO_MODULE)
	323	#define GPIO_LCD_BASE (144)
	324	#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
	325	#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
	326	#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
	327	#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
	328	#define LCD_SPI_BUS_NUM (1)
	329
	330	static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
	331	.sck = GPIO_LCD_SCL,
	332	.mosi = GPIO_LCD_DIN,
	333	.miso = GPIO_LCD_DOUT,
	334	.num_chipselect = 1,
	335	};
	336
	337	static struct platform_device cm_x300_spi_gpio = {
	338	.name = "spi_gpio",
	339	.id = LCD_SPI_BUS_NUM,
	340	.dev = {
	341	.platform_data = &cm_x300_spi_gpio_pdata,
	342	},
	343	};
	344
	345	static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
	346	.model = TDO35S,
	347	};
	348
	349	static struct spi_board_info cm_x300_spi_devices[] __initdata = {
	350	{
	351	.modalias = "tdo24m",
	352	.max_speed_hz = 1000000,
	353	.bus_num = LCD_SPI_BUS_NUM,
	354	.chip_select = 0,
	355	.controller_data = (void *) GPIO_LCD_CS,
	356	.platform_data = &cm_x300_tdo24m_pdata,
	357	},
	358	};
	359
	360	static void __init cm_x300_init_spi(void)
	361	{
	362	spi_register_board_info(cm_x300_spi_devices,
	363	ARRAY_SIZE(cm_x300_spi_devices));
	364	platform_device_register(&cm_x300_spi_gpio);
	365	}
	366	#else
	367	static inline void cm_x300_init_spi(void) {}
	368	#endif
	369
74e74def IG	370	#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
	371	static void __init cm_x300_init_ac97(void)
	372	{
	373	pxa_set_ac97_info(NULL);
	374	}
	375	#else
	376	static inline void cm_x300_init_ac97(void) {}
	377	#endif
	378
cf75d8d2 MR	379	#if defined(CONFIG_MTD_NAND_PXA3xx) \|\| defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
	380	static struct mtd_partition cm_x300_nand_partitions[] = {
	381	[0] = {
	382	.name = "OBM",
	383	.offset = 0,
	384	.size = SZ_256K,
	385	.mask_flags = MTD_WRITEABLE, /* force read-only */
	386	},
	387	[1] = {
	388	.name = "U-Boot",
	389	.offset = MTDPART_OFS_APPEND,
	390	.size = SZ_256K,
	391	.mask_flags = MTD_WRITEABLE, /* force read-only */
	392	},
	393	[2] = {
	394	.name = "Environment",
	395	.offset = MTDPART_OFS_APPEND,
	396	.size = SZ_256K,
	397	},
	398	[3] = {
	399	.name = "reserved",
	400	.offset = MTDPART_OFS_APPEND,
	401	.size = SZ_256K + SZ_1M,
	402	.mask_flags = MTD_WRITEABLE, /* force read-only */
	403	},
	404	[4] = {
	405	.name = "kernel",
	406	.offset = MTDPART_OFS_APPEND,
	407	.size = SZ_4M,
	408	},
	409	[5] = {
	410	.name = "fs",
	411	.offset = MTDPART_OFS_APPEND,
	412	.size = MTDPART_SIZ_FULL,
	413	},
	414	};
	415
	416	static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
	417	.enable_arbiter = 1,
b3992b66	418	.keep_config = 1,
cf75d8d2 MR	419	.parts = cm_x300_nand_partitions,
	420	.nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
	421	};
	422
	423	static void __init cm_x300_init_nand(void)
	424	{
	425	pxa3xx_set_nand_info(&cm_x300_nand_info);
	426	}
	427	#else
	428	static inline void cm_x300_init_nand(void) {}
	429	#endif
	430
	431	#if defined(CONFIG_MMC) \|\| defined(CONFIG_MMC_MODULE)
0bff2fc3 MR	432	static struct pxamci_platform_data cm_x300_mci_platform_data = {
	433	.detect_delay = 20,
	434	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	435	.gpio_card_detect = GPIO82_MMC_IRQ,
	436	.gpio_card_ro = GPIO85_MMC_WP,
	437	.gpio_power = -1,
	438	};
	439
	440	/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
cf75d8d2	441	no detection/ro pins */
0bff2fc3 MR	442	static int cm_x300_mci2_init(struct device *dev,
	443	irq_handler_t cm_x300_detect_int,
	444	void *data)
cf75d8d2 MR	445	{
	446	return 0;
	447	}
	448
0bff2fc3	449	static void cm_x300_mci2_exit(struct device dev, void data)
cf75d8d2 MR	450	{
	451	}
	452
0bff2fc3	453	static struct pxamci_platform_data cm_x300_mci2_platform_data = {
7a648256 RJ	454	.detect_delay = 20,
7a648256 RJ	455	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
0bff2fc3 MR	456	.init = cm_x300_mci2_init,
0bff2fc3 MR	457	.exit = cm_x300_mci2_exit,
7a648256 RJ	458	.gpio_card_detect = -1,
	459	.gpio_card_ro = -1,
	460	.gpio_power = -1,
cf75d8d2 MR	461	};
cf75d8d2 MR	462
cf75d8d2 MR	463	static void __init cm_x300_init_mmc(void)
	464	{
	465	pxa_set_mci_info(&cm_x300_mci_platform_data);
	466	pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
	467	}
	468	#else
	469	static inline void cm_x300_init_mmc(void) {}
	470	#endif
	471
	472	#if defined(CONFIG_USB_OHCI_HCD) \|\| defined(CONFIG_USB_OHCI_HCD_MODULE)
edaa64c9 IG	473	static int cm_x300_ohci_init(struct device *dev)
	474	{
	475	if (cpu_is_pxa300())
	476	UP2OCR = UP2OCR_HXS
	477	\| UP2OCR_HXOE \| UP2OCR_DMPDE \| UP2OCR_DPPDE;
	478
	479	return 0;
	480	}
	481
cf75d8d2 MR	482	static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
cf75d8d2 MR	483	.port_mode = PMM_PERPORT_MODE,
edaa64c9 IG	484	.flags = ENABLE_PORT_ALL \| POWER_CONTROL_LOW,
edaa64c9 IG	485	.init = cm_x300_ohci_init,
cf75d8d2	486	};
097b5334	487
cf75d8d2 MR	488	static void __init cm_x300_init_ohci(void)
	489	{
	490	pxa_set_ohci_info(&cm_x300_ohci_platform_data);
	491	}
	492	#else
	493	static inline void cm_x300_init_ohci(void) {}
	494	#endif
	495
	496	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	497	static struct gpio_led cm_x300_leds[] = {
	498	[0] = {
	499	.name = "cm-x300:green",
	500	.default_trigger = "heartbeat",
cf75d8d2 MR	501	.active_low = 1,
	502	},
	503	};
	504
	505	static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
	506	.num_leds = ARRAY_SIZE(cm_x300_leds),
	507	.leds = cm_x300_leds,
	508	};
	509
	510	static struct platform_device cm_x300_led_device = {
	511	.name = "leds-gpio",
	512	.id = -1,
	513	.dev = {
	514	.platform_data = &cm_x300_gpio_led_pdata,
	515	},
	516	};
	517
	518	static void __init cm_x300_init_leds(void)
	519	{
55052ea2 IG	520	if (system_rev < 130)
	521	cm_x300_leds[0].gpio = 79;
	522	else
	523	cm_x300_leds[0].gpio = 76;
	524
cf75d8d2 MR	525	platform_device_register(&cm_x300_led_device);
	526	}
	527	#else
	528	static inline void cm_x300_init_leds(void) {}
	529	#endif
	530
	531	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
	532	/* PCA9555 */
	533	static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
	534	.gpio_base = 128,
	535	};
	536
	537	static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
	538	.gpio_base = 144,
	539	};
	540
	541	static struct i2c_board_info cm_x300_gpio_ext_info[] = {
	542	[0] = {
	543	I2C_BOARD_INFO("pca9555", 0x24),
	544	.platform_data = &cm_x300_gpio_ext_pdata_0,
	545	},
	546	[1] = {
	547	I2C_BOARD_INFO("pca9555", 0x25),
	548	.platform_data = &cm_x300_gpio_ext_pdata_1,
	549	},
	550	};
	551
	552	static void __init cm_x300_init_i2c(void)
	553	{
	554	pxa_set_i2c_info(NULL);
	555	i2c_register_board_info(0, cm_x300_gpio_ext_info,
	556	ARRAY_SIZE(cm_x300_gpio_ext_info));
	557	}
	558	#else
	559	static inline void cm_x300_init_i2c(void) {}
	560	#endif
	561
1858ced3 MR	562	#if defined(CONFIG_RTC_DRV_V3020) \|\| defined(CONFIG_RTC_DRV_V3020_MODULE)
	563	struct v3020_platform_data cm_x300_v3020_pdata = {
	564	.use_gpio = 1,
	565	.gpio_cs = GPIO95_RTC_CS,
	566	.gpio_wr = GPIO96_RTC_WR,
	567	.gpio_rd = GPIO97_RTC_RD,
	568	.gpio_io = GPIO98_RTC_IO,
	569	};
	570
	571	static struct platform_device cm_x300_rtc_device = {
	572	.name = "v3020",
	573	.id = -1,
	574	.dev = {
	575	.platform_data = &cm_x300_v3020_pdata,
	576	}
	577	};
	578
	579	static void __init cm_x300_init_rtc(void)
	580	{
	581	platform_device_register(&cm_x300_rtc_device);
	582	}
	583	#else
	584	static inline void cm_x300_init_rtc(void) {}
	585	#endif
	586
9c017ca1 IG	587	/* DA9030 */
	588	struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
	589	{
	590	.name = "da903x-backlight",
	591	.id = DA9030_ID_WLED,
	592	}
	593	};
	594
	595	static struct da903x_platform_data cm_x300_da9030_info = {
	596	.num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
	597	.subdevs = cm_x300_da9030_subdevs,
	598	};
	599
	600	static struct i2c_board_info cm_x300_pmic_info = {
	601	I2C_BOARD_INFO("da9030", 0x49),
	602	.irq = IRQ_GPIO(0),
	603	.platform_data = &cm_x300_da9030_info,
	604	};
	605
	606	static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
	607	.use_pio = 1,
	608	};
	609
	610	static void __init cm_x300_init_da9030(void)
	611	{
	612	pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
	613	i2c_register_board_info(1, &cm_x300_pmic_info, 1);
	614	}
	615
b3d01da6 IG	616	static void __init cm_x300_init_wi2wi(void)
	617	{
	618	int bt_reset, wlan_en;
	619	int err;
	620
	621	if (system_rev < 130) {
	622	wlan_en = 77;
	623	bt_reset = 78;
	624	} else {
	625	wlan_en = 71;
	626	bt_reset = 70;
	627	}
	628
	629	/* Libertas and CSR reset */
	630	err = gpio_request(wlan_en, "wlan en");
	631	if (err) {
	632	pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
	633	} else {
	634	gpio_direction_output(wlan_en, 1);
	635	gpio_free(wlan_en);
	636	}
	637
	638	err = gpio_request(bt_reset, "bt reset");
	639	if (err) {
	640	pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
	641	} else {
	642	gpio_direction_output(bt_reset, 1);
	643	udelay(10);
	644	gpio_set_value(bt_reset, 0);
	645	udelay(10);
	646	gpio_set_value(bt_reset, 1);
	647	gpio_free(bt_reset);
	648	}
	649	}
	650
	651	/* MFP */
55052ea2	652	static void __init cm_x300_init_mfp(void)
cf75d8d2 MR	653	{
cf75d8d2 MR	654	/* board-processor specific GPIO initialization */
def8252d	655	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
cf75d8d2	656
55052ea2	657	if (system_rev < 130)
def8252d	658	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
55052ea2	659	else
def8252d IG	660	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
	661
	662	if (cpu_is_pxa310())
	663	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
55052ea2 IG	664	}
	665
	666	static void __init cm_x300_init(void)
	667	{
	668	cm_x300_init_mfp();
	669
cc155c6f RK	670	pxa_set_ffuart_info(NULL);
	671	pxa_set_btuart_info(NULL);
	672	pxa_set_stuart_info(NULL);
	673
9c017ca1	674	cm_x300_init_da9030();
cf75d8d2 MR	675	cm_x300_init_dm9000();
	676	cm_x300_init_lcd();
	677	cm_x300_init_ohci();
	678	cm_x300_init_mmc();
	679	cm_x300_init_nand();
	680	cm_x300_init_leds();
	681	cm_x300_init_i2c();
83e560ee	682	cm_x300_init_spi();
1858ced3	683	cm_x300_init_rtc();
74e74def	684	cm_x300_init_ac97();
b3d01da6	685	cm_x300_init_wi2wi();
db205463	686	cm_x300_init_bl();
cf75d8d2 MR	687	}
cf75d8d2 MR	688
b5a5c474 MR	689	static void __init cm_x300_fixup(struct machine_desc mdesc, struct tag tags,
	690	char *cmdline, struct meminfo mi)
	691	{
	692	mi->nr_banks = 2;
	693	mi->bank[0].start = 0xa0000000;
	694	mi->bank[0].node = 0;
	695	mi->bank[0].size = (6410241024);
	696	mi->bank[1].start = 0xc0000000;
	697	mi->bank[1].node = 0;
	698	mi->bank[1].size = (6410241024);
	699	}
	700
cf75d8d2 MR	701	MACHINE_START(CM_X300, "CM-X300 module")
	702	.phys_io = 0x40000000,
	703	.boot_params = 0xa0000100,
	704	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
	705	.map_io = pxa_map_io,
	706	.init_irq = pxa3xx_init_irq,
	707	.timer = &pxa_timer,
	708	.init_machine = cm_x300_init,
b5a5c474	709	.fixup = cm_x300_fixup,
cf75d8d2	710	MACHINE_END