initial_commit

1 files changed, 1315 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
new file mode 100644
index 00000000..f8a6e9d7
--- /dev/null
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -0,0 +1,1315 @@
+/*
+ * Support for CompuLab EM-X270 platform
+ *
+ * Copyright (C) 2007, 2008 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike@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/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+#include <linux/dm9000.h>
+#include <linux/rtc-v3020.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
+#include <linux/mfd/da903x.h>
+#include <linux/regulator/machine.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/tdo24m.h>
+#include <linux/spi/libertas_spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/power_supply.h>
+#include <linux/apm-emulation.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/i2c/pxa-i2c.h>
+#include <linux/regulator/userspace-consumer.h>
+
+#include <media/soc_camera.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/pxa27x.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/audio.h>
+#include <mach/pxafb.h>
+#include <mach/ohci.h>
+#include <mach/mmc.h>
+#include <plat/pxa27x_keypad.h>
+#include <mach/camera.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/* EM-X270 specific GPIOs */
+#define GPIO13_MMC_CD		(13)
+#define GPIO95_MMC_WP		(95)
+#define GPIO56_NAND_RB		(56)
+#define GPIO93_CAM_RESET	(93)
+#define GPIO16_USB_HUB_RESET	(16)
+
+/* eXeda specific GPIOs */
+#define GPIO114_MMC_CD		(114)
+#define GPIO20_NAND_RB		(20)
+#define GPIO38_SD_PWEN		(38)
+#define GPIO37_WLAN_RST		(37)
+#define GPIO95_TOUCHPAD_INT	(95)
+#define GPIO130_CAM_RESET	(130)
+#define GPIO10_USB_HUB_RESET	(10)
+
+/* common  GPIOs */
+#define GPIO11_NAND_CS		(11)
+#define GPIO41_ETHIRQ		(41)
+#define EM_X270_ETHIRQ		IRQ_GPIO(GPIO41_ETHIRQ)
+#define GPIO115_WLAN_PWEN	(115)
+#define GPIO19_WLAN_STRAP	(19)
+#define GPIO9_USB_VBUS_EN	(9)
+
+static int mmc_cd;
+static int nand_rb;
+static int dm9000_flags;
+static int cam_reset;
+static int usb_hub_reset;
+
+static unsigned long common_pin_config[] = {
+	/* AC'97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+	GPIO98_AC97_SYSCLK,
+	GPIO113_AC97_nRESET,
+
+	/* BTUART */
+	GPIO42_BTUART_RXD,
+	GPIO43_BTUART_TXD,
+	GPIO44_BTUART_CTS,
+	GPIO45_BTUART_RTS,
+
+	/* STUART */
+	GPIO46_STUART_RXD,
+	GPIO47_STUART_TXD,
+
+	/* MCI controller */
+	GPIO32_MMC_CLK,
+	GPIO112_MMC_CMD,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+
+	/* LCD */
+	GPIOxx_LCD_TFT_16BPP,
+
+	/* QCI */
+	GPIO84_CIF_FV,
+	GPIO25_CIF_LV,
+	GPIO53_CIF_MCLK,
+	GPIO54_CIF_PCLK,
+	GPIO81_CIF_DD_0,
+	GPIO55_CIF_DD_1,
+	GPIO51_CIF_DD_2,
+	GPIO50_CIF_DD_3,
+	GPIO52_CIF_DD_4,
+	GPIO48_CIF_DD_5,
+	GPIO17_CIF_DD_6,
+	GPIO12_CIF_DD_7,
+
+	/* I2C */
+	GPIO117_I2C_SCL,
+	GPIO118_I2C_SDA,
+
+	/* Keypad */
+	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO34_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO39_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO91_KP_MKIN_6	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO36_KP_MKIN_7	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO103_KP_MKOUT_0,
+	GPIO104_KP_MKOUT_1,
+	GPIO105_KP_MKOUT_2,
+	GPIO106_KP_MKOUT_3,
+	GPIO107_KP_MKOUT_4,
+	GPIO108_KP_MKOUT_5,
+	GPIO96_KP_MKOUT_6,
+	GPIO22_KP_MKOUT_7,
+
+	/* SSP1 */
+	GPIO26_SSP1_RXD,
+	GPIO23_SSP1_SCLK,
+	GPIO24_SSP1_SFRM,
+	GPIO57_SSP1_TXD,
+
+	/* SSP2 */
+	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
+	GPIO14_GPIO,
+	GPIO89_SSP2_TXD,
+	GPIO88_SSP2_RXD,
+
+	/* SDRAM and local bus */
+	GPIO15_nCS_1,
+	GPIO78_nCS_2,
+	GPIO79_nCS_3,
+	GPIO80_nCS_4,
+	GPIO49_nPWE,
+	GPIO18_RDY,
+
+	/* GPIO */
+	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,	/* sleep/resume button */
+
+	/* power controls */
+	GPIO20_GPIO	| MFP_LPM_DRIVE_LOW,	/* GPRS_PWEN */
+	GPIO115_GPIO	| MFP_LPM_DRIVE_LOW,	/* WLAN_PWEN */
+
+	/* NAND controls */
+	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */
+
+	/* interrupts */
+	GPIO41_GPIO,	/* DM9000 interrupt */
+};
+
+static unsigned long em_x270_pin_config[] = {
+	GPIO13_GPIO,				/* MMC card detect */
+	GPIO16_GPIO,				/* USB hub reset */
+	GPIO56_GPIO,				/* NAND Ready/Busy */
+	GPIO93_GPIO	| MFP_LPM_DRIVE_LOW,	/* Camera reset */
+	GPIO95_GPIO,				/* MMC Write protect */
+};
+
+static unsigned long exeda_pin_config[] = {
+	GPIO10_GPIO,				/* USB hub reset */
+	GPIO20_GPIO,				/* NAND Ready/Busy */
+	GPIO38_GPIO	| MFP_LPM_DRIVE_LOW,	/* SD slot power */
+	GPIO95_GPIO,				/* touchpad IRQ */
+	GPIO114_GPIO,				/* MMC card detect */
+};
+
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource em_x270_dm9000_resource[] = {
+	[0] = {
+		.start = PXA_CS2_PHYS,
+		.end   = PXA_CS2_PHYS + 3,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = PXA_CS2_PHYS + 8,
+		.end   = PXA_CS2_PHYS + 8 + 0x3f,
+		.flags = IORESOURCE_MEM,
+	},
+	[2] = {
+		.start = EM_X270_ETHIRQ,
+		.end   = EM_X270_ETHIRQ,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct dm9000_plat_data em_x270_dm9000_platdata = {
+	.flags		= DM9000_PLATF_NO_EEPROM,
+};
+
+static struct platform_device em_x270_dm9000 = {
+	.name		= "dm9000",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(em_x270_dm9000_resource),
+	.resource	= em_x270_dm9000_resource,
+	.dev		= {
+		.platform_data = &em_x270_dm9000_platdata,
+	}
+};
+
+static void __init em_x270_init_dm9000(void)
+{
+	em_x270_dm9000_platdata.flags |= dm9000_flags;
+	platform_device_register(&em_x270_dm9000);
+}
+#else
+static inline void em_x270_init_dm9000(void) {}
+#endif
+
+/* V3020 RTC */
+#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
+static struct resource em_x270_v3020_resource[] = {
+	[0] = {
+		.start = PXA_CS4_PHYS,
+		.end   = PXA_CS4_PHYS + 3,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct v3020_platform_data em_x270_v3020_platdata = {
+	.leftshift = 0,
+};
+
+static struct platform_device em_x270_rtc = {
+	.name		= "v3020",
+	.num_resources	= ARRAY_SIZE(em_x270_v3020_resource),
+	.resource	= em_x270_v3020_resource,
+	.id		= -1,
+	.dev		= {
+		.platform_data = &em_x270_v3020_platdata,
+	}
+};
+
+static void __init em_x270_init_rtc(void)
+{
+	platform_device_register(&em_x270_rtc);
+}
+#else
+static inline void em_x270_init_rtc(void) {}
+#endif
+
+/* NAND flash */
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+static inline void nand_cs_on(void)
+{
+	gpio_set_value(GPIO11_NAND_CS, 0);
+}
+
+static void nand_cs_off(void)
+{
+	dsb();
+
+	gpio_set_value(GPIO11_NAND_CS, 1);
+}
+
+/* hardware specific access to control-lines */
+static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
+				 unsigned int ctrl)
+{
+	struct nand_chip *this = mtd->priv;
+	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
+
+	dsb();
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		if (ctrl & NAND_ALE)
+			nandaddr |=  (1 << 3);
+		else
+			nandaddr &= ~(1 << 3);
+		if (ctrl & NAND_CLE)
+			nandaddr |=  (1 << 2);
+		else
+			nandaddr &= ~(1 << 2);
+		if (ctrl & NAND_NCE)
+			nand_cs_on();
+		else
+			nand_cs_off();
+	}
+
+	dsb();
+	this->IO_ADDR_W = (void __iomem *)nandaddr;
+	if (dat != NAND_CMD_NONE)
+		writel(dat, this->IO_ADDR_W);
+
+	dsb();
+}
+
+/* read device ready pin */
+static int em_x270_nand_device_ready(struct mtd_info *mtd)
+{
+	dsb();
+
+	return gpio_get_value(nand_rb);
+}
+
+static struct mtd_partition em_x270_partition_info[] = {
+	[0] = {
+		.name	= "em_x270-0",
+		.offset	= 0,
+		.size	= SZ_4M,
+	},
+	[1] = {
+		.name	= "em_x270-1",
+		.offset	= MTDPART_OFS_APPEND,
+		.size	= MTDPART_SIZ_FULL
+	},
+};
+
+static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
+
+struct platform_nand_data em_x270_nand_platdata = {
+	.chip = {
+		.nr_chips = 1,
+		.chip_offset = 0,
+		.nr_partitions = ARRAY_SIZE(em_x270_partition_info),
+		.partitions = em_x270_partition_info,
+		.chip_delay = 20,
+		.part_probe_types = em_x270_part_probes,
+	},
+	.ctrl = {
+		.hwcontrol = 0,
+		.dev_ready = em_x270_nand_device_ready,
+		.select_chip = 0,
+		.cmd_ctrl = em_x270_nand_cmd_ctl,
+	},
+};
+
+static struct resource em_x270_nand_resource[] = {
+	[0] = {
+		.start = PXA_CS1_PHYS,
+		.end   = PXA_CS1_PHYS + 12,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device em_x270_nand = {
+	.name		= "gen_nand",
+	.num_resources	= ARRAY_SIZE(em_x270_nand_resource),
+	.resource	= em_x270_nand_resource,
+	.id		= -1,
+	.dev		= {
+		.platform_data = &em_x270_nand_platdata,
+	}
+};
+
+static void __init em_x270_init_nand(void)
+{
+	int err;
+
+	err = gpio_request(GPIO11_NAND_CS, "NAND CS");
+	if (err) {
+		pr_warning("EM-X270: failed to request NAND CS gpio\n");
+		return;
+	}
+
+	gpio_direction_output(GPIO11_NAND_CS, 1);
+
+	err = gpio_request(nand_rb, "NAND R/B");
+	if (err) {
+		pr_warning("EM-X270: failed to request NAND R/B gpio\n");
+		gpio_free(GPIO11_NAND_CS);
+		return;
+	}
+
+	gpio_direction_input(nand_rb);
+
+	platform_device_register(&em_x270_nand);
+}
+#else
+static inline void em_x270_init_nand(void) {}
+#endif
+
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition em_x270_nor_parts[] = {
+	{
+		.name =		"Bootloader",
+		.offset =	0x00000000,
+		.size =		0x00050000,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	}, {
+		.name =		"Environment",
+		.offset =	0x00050000,
+		.size =		0x00010000,
+	}, {
+		.name =		"Reserved",
+		.offset =	0x00060000,
+		.size =		0x00050000,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	}, {
+		.name =		"Splashscreen",
+		.offset =	0x000b0000,
+		.size =		0x00050000,
+	}
+};
+
+static struct physmap_flash_data em_x270_nor_data[] = {
+	[0] = {
+		.width = 2,
+		.parts = em_x270_nor_parts,
+		.nr_parts = ARRAY_SIZE(em_x270_nor_parts),
+	},
+};
+
+static struct resource em_x270_nor_flash_resource = {
+	.start	= PXA_CS0_PHYS,
+	.end	= PXA_CS0_PHYS + SZ_1M - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct platform_device em_x270_physmap_flash = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= &em_x270_nor_flash_resource,
+	.dev		= {
+		.platform_data	= &em_x270_nor_data,
+	},
+};
+
+static void __init em_x270_init_nor(void)
+{
+	platform_device_register(&em_x270_physmap_flash);
+}
+#else
+static inline void em_x270_init_nor(void) {}
+#endif
+
+/* PXA27x OHCI controller setup */
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct regulator *em_x270_usb_ldo;
+
+static int em_x270_usb_hub_init(void)
+{
+	int err;
+
+	em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
+	if (IS_ERR(em_x270_usb_ldo))
+		return PTR_ERR(em_x270_usb_ldo);
+
+	err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
+	if (err)
+		goto err_free_usb_ldo;
+
+	err = gpio_request(usb_hub_reset, "hub rst");
+	if (err)
+		goto err_free_vbus_gpio;
+
+	/* USB Hub power-on and reset */
+	gpio_direction_output(usb_hub_reset, 1);
+	gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
+	regulator_enable(em_x270_usb_ldo);
+	gpio_set_value(usb_hub_reset, 0);
+	gpio_set_value(usb_hub_reset, 1);
+	regulator_disable(em_x270_usb_ldo);
+	regulator_enable(em_x270_usb_ldo);
+	gpio_set_value(usb_hub_reset, 0);
+	gpio_set_value(GPIO9_USB_VBUS_EN, 1);
+
+	return 0;
+
+err_free_vbus_gpio:
+	gpio_free(GPIO9_USB_VBUS_EN);
+err_free_usb_ldo:
+	regulator_put(em_x270_usb_ldo);
+
+	return err;
+}
+
+static int em_x270_ohci_init(struct device *dev)
+{
+	int err;
+
+	/* we don't want to entirely disable USB if the HUB init failed */
+	err = em_x270_usb_hub_init();
+	if (err)
+		pr_err("USB Hub initialization failed: %d\n", err);
+
+	/* enable port 2 transiever */
+	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
+
+	return 0;
+}
+
+static void em_x270_ohci_exit(struct device *dev)
+{
+	gpio_free(usb_hub_reset);
+	gpio_free(GPIO9_USB_VBUS_EN);
+
+	if (!IS_ERR(em_x270_usb_ldo)) {
+		if (regulator_is_enabled(em_x270_usb_ldo))
+			regulator_disable(em_x270_usb_ldo);
+
+		regulator_put(em_x270_usb_ldo);
+	}
+}
+
+static struct pxaohci_platform_data em_x270_ohci_platform_data = {
+	.port_mode	= PMM_PERPORT_MODE,
+	.flags		= ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
+	.init		= em_x270_ohci_init,
+	.exit		= em_x270_ohci_exit,
+};
+
+static void __init em_x270_init_ohci(void)
+{
+	pxa_set_ohci_info(&em_x270_ohci_platform_data);
+}
+#else
+static inline void em_x270_init_ohci(void) {}
+#endif
+
+/* MCI controller setup */
+#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
+static struct regulator *em_x270_sdio_ldo;
+
+static int em_x270_mci_init(struct device *dev,
+			    irq_handler_t em_x270_detect_int,
+			    void *data)
+{
+	int err;
+
+	em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
+	if (IS_ERR(em_x270_sdio_ldo)) {
+		dev_err(dev, "can't request SDIO power supply: %ld\n",
+			PTR_ERR(em_x270_sdio_ldo));
+		return PTR_ERR(em_x270_sdio_ldo);
+	}
+
+	err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
+			      IRQF_DISABLED | IRQF_TRIGGER_RISING |
+			      IRQF_TRIGGER_FALLING,
+			      "MMC card detect", data);
+	if (err) {
+		dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
+		goto err_irq;
+	}
+
+	if (machine_is_em_x270()) {
+		err = gpio_request(GPIO95_MMC_WP, "MMC WP");
+		if (err) {
+			dev_err(dev, "can't request MMC write protect: %d\n",
+				err);
+			goto err_gpio_wp;
+		}
+		gpio_direction_input(GPIO95_MMC_WP);
+	} else {
+		err = gpio_request(GPIO38_SD_PWEN, "sdio power");
+		if (err) {
+			dev_err(dev, "can't request MMC power control : %d\n",
+				err);
+			goto err_gpio_wp;
+		}
+		gpio_direction_output(GPIO38_SD_PWEN, 1);
+	}
+
+	return 0;
+
+err_gpio_wp:
+	free_irq(gpio_to_irq(mmc_cd), data);
+err_irq:
+	regulator_put(em_x270_sdio_ldo);
+
+	return err;
+}
+
+static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data* p_d = dev->platform_data;
+
+	if ((1 << vdd) & p_d->ocr_mask) {
+		int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
+
+		regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
+		regulator_enable(em_x270_sdio_ldo);
+	} else {
+		regulator_disable(em_x270_sdio_ldo);
+	}
+}
+
+static void em_x270_mci_exit(struct device *dev, void *data)
+{
+	free_irq(gpio_to_irq(mmc_cd), data);
+	regulator_put(em_x270_sdio_ldo);
+
+	if (machine_is_em_x270())
+		gpio_free(GPIO95_MMC_WP);
+	else
+		gpio_free(GPIO38_SD_PWEN);
+}
+
+static int em_x270_mci_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO95_MMC_WP);
+}
+
+static struct pxamci_platform_data em_x270_mci_platform_data = {
+	.detect_delay_ms	= 250,
+	.ocr_mask		= MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
+				  MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
+				  MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
+				  MMC_VDD_30_31|MMC_VDD_31_32,
+	.init 			= em_x270_mci_init,
+	.setpower 		= em_x270_mci_setpower,
+	.exit			= em_x270_mci_exit,
+	.gpio_card_detect	= -1,
+	.gpio_card_ro		= -1,
+	.gpio_power		= -1,
+};
+
+static void __init em_x270_init_mmc(void)
+{
+	if (machine_is_em_x270())
+		em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
+
+	pxa_set_mci_info(&em_x270_mci_platform_data);
+}
+#else
+static inline void em_x270_init_mmc(void) {}
+#endif
+
+/* LCD */
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct pxafb_mode_info em_x270_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,
+		.sync		= 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,
+		.sync		= 0,
+	},
+};
+
+static struct pxafb_mach_info em_x270_lcd = {
+	.modes		= em_x270_lcd_modes,
+	.num_modes	= 2,
+	.lcd_conn	= LCD_COLOR_TFT_16BPP,
+};
+
+static void __init em_x270_init_lcd(void)
+{
+	pxa_set_fb_info(NULL, &em_x270_lcd);
+}
+#else
+static inline void em_x270_init_lcd(void) {}
+#endif
+
+#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
+static struct pxa2xx_spi_master em_x270_spi_info = {
+	.num_chipselect	= 1,
+};
+
+static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
+	.rx_threshold	= 1,
+	.tx_threshold	= 1,
+	.gpio_cs	= -1,
+};
+
+static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
+	.model = TDO35S,
+};
+
+static struct pxa2xx_spi_master em_x270_spi_2_info = {
+	.num_chipselect	= 1,
+	.enable_dma	= 1,
+};
+
+static struct pxa2xx_spi_chip em_x270_libertas_chip = {
+	.rx_threshold	= 1,
+	.tx_threshold	= 1,
+	.timeout	= 1000,
+	.gpio_cs	= 14,
+};
+
+static unsigned long em_x270_libertas_pin_config[] = {
+	/* SSP2 */
+	GPIO19_SSP2_SCLK,
+	GPIO14_GPIO,
+	GPIO89_SSP2_TXD,
+	GPIO88_SSP2_RXD,
+};
+
+static int em_x270_libertas_setup(struct spi_device *spi)
+{
+	int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
+	if (err)
+		return err;
+
+	err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
+	if (err)
+		goto err_free_pwen;
+
+	if (machine_is_exeda()) {
+		err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
+		if (err)
+			goto err_free_strap;
+
+		gpio_direction_output(GPIO37_WLAN_RST, 1);
+		msleep(100);
+	}
+
+	gpio_direction_output(GPIO19_WLAN_STRAP, 1);
+	msleep(100);
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
+
+	gpio_direction_output(GPIO115_WLAN_PWEN, 0);
+	msleep(100);
+	gpio_set_value(GPIO115_WLAN_PWEN, 1);
+	msleep(100);
+
+	spi->bits_per_word = 16;
+	spi_setup(spi);
+
+	return 0;
+
+err_free_strap:
+	gpio_free(GPIO19_WLAN_STRAP);
+err_free_pwen:
+	gpio_free(GPIO115_WLAN_PWEN);
+
+	return err;
+}
+
+static int em_x270_libertas_teardown(struct spi_device *spi)
+{
+	gpio_set_value(GPIO115_WLAN_PWEN, 0);
+	gpio_free(GPIO115_WLAN_PWEN);
+	gpio_free(GPIO19_WLAN_STRAP);
+
+	if (machine_is_exeda()) {
+		gpio_set_value(GPIO37_WLAN_RST, 0);
+		gpio_free(GPIO37_WLAN_RST);
+	}
+
+	return 0;
+}
+
+struct libertas_spi_platform_data em_x270_libertas_pdata = {
+	.use_dummy_writes	= 1,
+	.setup			= em_x270_libertas_setup,
+	.teardown		= em_x270_libertas_teardown,
+};
+
+static struct spi_board_info em_x270_spi_devices[] __initdata = {
+	{
+		.modalias		= "tdo24m",
+		.max_speed_hz		= 1000000,
+		.bus_num		= 1,
+		.chip_select		= 0,
+		.controller_data	= &em_x270_tdo24m_chip,
+		.platform_data		= &em_x270_tdo24m_pdata,
+	},
+	{
+		.modalias		= "libertas_spi",
+		.max_speed_hz		= 13000000,
+		.bus_num		= 2,
+		.irq			= IRQ_GPIO(116),
+		.chip_select		= 0,
+		.controller_data	= &em_x270_libertas_chip,
+		.platform_data		= &em_x270_libertas_pdata,
+	},
+};
+
+static void __init em_x270_init_spi(void)
+{
+	pxa2xx_set_spi_info(1, &em_x270_spi_info);
+	pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
+	spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
+}
+#else
+static inline void em_x270_init_spi(void) {}
+#endif
+
+#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
+static pxa2xx_audio_ops_t em_x270_ac97_info = {
+	.reset_gpio = 113,
+};
+
+static void __init em_x270_init_ac97(void)
+{
+	pxa_set_ac97_info(&em_x270_ac97_info);
+}
+#else
+static inline void em_x270_init_ac97(void) {}
+#endif
+
+#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
+static unsigned int em_x270_module_matrix_keys[] = {
+	KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
+	KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
+	KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
+};
+
+struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
+	/* code map for the matrix keys */
+	.matrix_key_rows	= 3,
+	.matrix_key_cols	= 3,
+	.matrix_key_map		= em_x270_module_matrix_keys,
+	.matrix_key_map_size	= ARRAY_SIZE(em_x270_module_matrix_keys),
+};
+
+static unsigned int em_x270_exeda_matrix_keys[] = {
+	KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
+	KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
+	KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
+	KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
+
+	KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
+	KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
+	KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
+	KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
+
+	KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
+	KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
+	KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
+	KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
+
+	KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
+	KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
+	KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
+	KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
+
+	KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
+	KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
+	KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
+	KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
+
+	KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
+	KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
+	KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
+	KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
+
+	KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
+	KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
+	KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
+	KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
+
+	KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
+	KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
+	KEY(7, 4, 0), KEY(7, 5, 0),
+	KEY(7, 6, 0), KEY(7, 7, 0),
+};
+
+struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
+	/* code map for the matrix keys */
+	.matrix_key_rows	= 8,
+	.matrix_key_cols	= 8,
+	.matrix_key_map		= em_x270_exeda_matrix_keys,
+	.matrix_key_map_size	= ARRAY_SIZE(em_x270_exeda_matrix_keys),
+};
+
+static void __init em_x270_init_keypad(void)
+{
+	if (machine_is_em_x270())
+		pxa_set_keypad_info(&em_x270_module_keypad_info);
+	else
+		pxa_set_keypad_info(&em_x270_exeda_keypad_info);
+}
+#else
+static inline void em_x270_init_keypad(void) {}
+#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button gpio_keys_button[] = {
+	[0] = {
+		.desc	= "sleep/wakeup",
+		.code	= KEY_SUSPEND,
+		.type	= EV_PWR,
+		.gpio	= 1,
+		.wakeup	= 1,
+	},
+};
+
+static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
+	.buttons	= gpio_keys_button,
+	.nbuttons	= 1,
+};
+
+static struct platform_device em_x270_gpio_keys = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &em_x270_gpio_keys_data,
+	},
+};
+
+static void __init em_x270_init_gpio_keys(void)
+{
+	platform_device_register(&em_x270_gpio_keys);
+}
+#else
+static inline void em_x270_init_gpio_keys(void) {}
+#endif
+
+/* Quick Capture Interface and sensor setup */
+#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
+static struct regulator *em_x270_camera_ldo;
+
+static int em_x270_sensor_init(void)
+{
+	int ret;
+
+	ret = gpio_request(cam_reset, "camera reset");
+	if (ret)
+		return ret;
+
+	gpio_direction_output(cam_reset, 0);
+
+	em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
+	if (em_x270_camera_ldo == NULL) {
+		gpio_free(cam_reset);
+		return -ENODEV;
+	}
+
+	ret = regulator_enable(em_x270_camera_ldo);
+	if (ret) {
+		regulator_put(em_x270_camera_ldo);
+		gpio_free(cam_reset);
+		return ret;
+	}
+
+	gpio_set_value(cam_reset, 1);
+
+	return 0;
+}
+
+struct pxacamera_platform_data em_x270_camera_platform_data = {
+	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+	.mclk_10khz = 2600,
+};
+
+static int em_x270_sensor_power(struct device *dev, int on)
+{
+	int ret;
+	int is_on = regulator_is_enabled(em_x270_camera_ldo);
+
+	if (on == is_on)
+		return 0;
+
+	gpio_set_value(cam_reset, !on);
+
+	if (on)
+		ret = regulator_enable(em_x270_camera_ldo);
+	else
+		ret = regulator_disable(em_x270_camera_ldo);
+
+	if (ret)
+		return ret;
+
+	gpio_set_value(cam_reset, on);
+
+	return 0;
+}
+
+static struct i2c_board_info em_x270_i2c_cam_info[] = {
+	{
+		I2C_BOARD_INFO("mt9m111", 0x48),
+	},
+};
+
+static struct soc_camera_link iclink = {
+	.bus_id		= 0,
+	.power		= em_x270_sensor_power,
+	.board_info	= &em_x270_i2c_cam_info[0],
+	.i2c_adapter_id	= 0,
+};
+
+static struct platform_device em_x270_camera = {
+	.name	= "soc-camera-pdrv",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &iclink,
+	},
+};
+
+static void  __init em_x270_init_camera(void)
+{
+	if (em_x270_sensor_init() == 0) {
+		pxa_set_camera_info(&em_x270_camera_platform_data);
+		platform_device_register(&em_x270_camera);
+	}
+}
+#else
+static inline void em_x270_init_camera(void) {}
+#endif
+
+static struct regulator_bulk_data em_x270_gps_consumer_supply = {
+	.supply		= "vcc gps",
+};
+
+static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
+	.name		= "vcc gps",
+	.num_supplies	= 1,
+	.supplies	= &em_x270_gps_consumer_supply,
+};
+
+static struct platform_device em_x270_gps_userspace_consumer = {
+	.name		= "reg-userspace-consumer",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &em_x270_gps_consumer_data,
+	},
+};
+
+static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
+	.supply		= "vcc gprs",
+};
+
+static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
+	.name		= "vcc gprs",
+	.num_supplies	= 1,
+	.supplies	= &em_x270_gprs_consumer_supply
+};
+
+static struct platform_device em_x270_gprs_userspace_consumer = {
+	.name		= "reg-userspace-consumer",
+	.id		= 1,
+	.dev		= {
+		.platform_data = &em_x270_gprs_consumer_data,
+	}
+};
+
+static struct platform_device *em_x270_userspace_consumers[] = {
+	&em_x270_gps_userspace_consumer,
+	&em_x270_gprs_userspace_consumer,
+};
+
+static void __init em_x270_userspace_consumers_init(void)
+{
+	platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
+}
+
+/* DA9030 related initializations */
+#define REGULATOR_CONSUMER(_name, _dev, _supply)			       \
+	static struct regulator_consumer_supply _name##_consumers[] = {	\
+		{							\
+			.dev = _dev,					\
+			.supply = _supply,				\
+		},							\
+	}
+
+REGULATOR_CONSUMER(ldo3, &em_x270_gps_userspace_consumer.dev, "vcc gps");
+REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
+REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
+REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
+REGULATOR_CONSUMER(ldo19, &em_x270_gprs_userspace_consumer.dev, "vcc gprs");
+REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
+
+#define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)		\
+	static struct regulator_init_data _ldo##_data = {		\
+		.constraints = {					\
+			.min_uV = _min_uV,				\
+			.max_uV = _max_uV,				\
+			.state_mem = {					\
+				.enabled = 0,				\
+			},						\
+			.valid_ops_mask = _ops_mask,			\
+			.apply_uV = 1,					\
+		},							\
+		.num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),	\
+		.consumer_supplies = _ldo##_consumers,			\
+	};
+
+REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
+REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
+REGULATOR_INIT(ldo10, 2000000, 3200000,
+	       REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
+REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
+REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
+REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
+
+struct led_info em_x270_led_info = {
+	.name = "em-x270:orange",
+	.default_trigger = "battery-charging-or-full",
+};
+
+struct power_supply_info em_x270_psy_info = {
+	.name = "battery",
+	.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
+	.voltage_max_design = 4200000,
+	.voltage_min_design = 3000000,
+	.use_for_apm = 1,
+};
+
+static void em_x270_battery_low(void)
+{
+#if defined(CONFIG_APM_EMULATION)
+	apm_queue_event(APM_LOW_BATTERY);
+#endif
+}
+
+static void em_x270_battery_critical(void)
+{
+#if defined(CONFIG_APM_EMULATION)
+	apm_queue_event(APM_CRITICAL_SUSPEND);
+#endif
+}
+
+struct da9030_battery_info em_x270_batterty_info = {
+	.battery_info = &em_x270_psy_info,
+
+	.charge_milliamp = 1000,
+	.charge_millivolt = 4200,
+
+	.vbat_low = 3600,
+	.vbat_crit = 3400,
+	.vbat_charge_start = 4100,
+	.vbat_charge_stop = 4200,
+	.vbat_charge_restart = 4000,
+
+	.vcharge_min = 3200,
+	.vcharge_max = 5500,
+
+	.tbat_low = 197,
+	.tbat_high = 78,
+	.tbat_restart = 100,
+
+	.batmon_interval = 0,
+
+	.battery_low = em_x270_battery_low,
+	.battery_critical = em_x270_battery_critical,
+};
+
+#define DA9030_SUBDEV(_name, _id, _pdata)	\
+	{					\
+		.name = "da903x-" #_name,	\
+		.id = DA9030_ID_##_id,		\
+		.platform_data = _pdata,	\
+	}
+
+#define DA9030_LDO(num)	DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
+
+struct da903x_subdev_info em_x270_da9030_subdevs[] = {
+	DA9030_LDO(3),
+	DA9030_LDO(5),
+	DA9030_LDO(10),
+	DA9030_LDO(12),
+	DA9030_LDO(19),
+
+	DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
+
+	DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
+	DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
+	DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
+};
+
+static struct da903x_platform_data em_x270_da9030_info = {
+	.num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
+	.subdevs = em_x270_da9030_subdevs,
+};
+
+static struct i2c_board_info em_x270_i2c_pmic_info = {
+	I2C_BOARD_INFO("da9030", 0x49),
+	.irq = IRQ_GPIO(0),
+	.platform_data = &em_x270_da9030_info,
+};
+
+static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
+	.use_pio = 1,
+};
+
+static void __init em_x270_init_da9030(void)
+{
+	pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
+	i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
+}
+
+static struct pca953x_platform_data exeda_gpio_ext_pdata = {
+	.gpio_base = 128,
+};
+
+static struct i2c_board_info exeda_i2c_info[] = {
+	{
+		I2C_BOARD_INFO("pca9555", 0x21),
+		.platform_data = &exeda_gpio_ext_pdata,
+	},
+};
+
+static struct i2c_pxa_platform_data em_x270_i2c_info = {
+	.fast_mode = 1,
+};
+
+static void __init em_x270_init_i2c(void)
+{
+	pxa_set_i2c_info(&em_x270_i2c_info);
+
+	if (machine_is_exeda())
+		i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
+}
+
+static void __init em_x270_module_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
+
+	mmc_cd = GPIO13_MMC_CD;
+	nand_rb = GPIO56_NAND_RB;
+	dm9000_flags = DM9000_PLATF_32BITONLY;
+	cam_reset = GPIO93_CAM_RESET;
+	usb_hub_reset = GPIO16_USB_HUB_RESET;
+}
+
+static void __init em_x270_exeda_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
+
+	mmc_cd = GPIO114_MMC_CD;
+	nand_rb = GPIO20_NAND_RB;
+	dm9000_flags = DM9000_PLATF_16BITONLY;
+	cam_reset = GPIO130_CAM_RESET;
+	usb_hub_reset = GPIO10_USB_HUB_RESET;
+}
+
+static void __init em_x270_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
+
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+#ifdef CONFIG_PM
+	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
+#endif
+
+	if (machine_is_em_x270())
+		em_x270_module_init();
+	else if (machine_is_exeda())
+		em_x270_exeda_init();
+	else
+		panic("Unsupported machine: %d\n", machine_arch_type);
+
+	em_x270_init_da9030();
+	em_x270_init_dm9000();
+	em_x270_init_rtc();
+	em_x270_init_nand();
+	em_x270_init_nor();
+	em_x270_init_lcd();
+	em_x270_init_mmc();
+	em_x270_init_ohci();
+	em_x270_init_keypad();
+	em_x270_init_gpio_keys();
+	em_x270_init_ac97();
+	em_x270_init_spi();
+	em_x270_init_i2c();
+	em_x270_init_camera();
+	em_x270_userspace_consumers_init();
+}
+
+MACHINE_START(EM_X270, "Compulab EM-X270")
+	.boot_params	= 0xa0000100,
+	.map_io		= pxa27x_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= em_x270_init,
+MACHINE_END
+
+MACHINE_START(EXEDA, "Compulab eXeda")
+	.boot_params	= 0xa0000100,
+	.map_io		= pxa27x_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= em_x270_init,
+MACHINE_END