[net-next-2.6.git] / arch / arm / mach-imx / mach-pca100.c

/*
 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
 * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/fsl_devices.h>

#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx27.h>
#include <asm/mach/time.h>
#include <mach/imx-uart.h>
#include <mach/audmux.h>
#include <mach/ssi.h>
#include <mach/mxc_nand.h>
#include <mach/irqs.h>
#include <mach/mmc.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>

#include "devices-imx27.h"
#include "devices.h"

#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)

static int pca100_pins[] = {
	/* UART1 */
	PE12_PF_UART1_TXD,
	PE13_PF_UART1_RXD,
	PE14_PF_UART1_CTS,
	PE15_PF_UART1_RTS,
	/* SDHC */
	PB4_PF_SD2_D0,
	PB5_PF_SD2_D1,
	PB6_PF_SD2_D2,
	PB7_PF_SD2_D3,
	PB8_PF_SD2_CMD,
	PB9_PF_SD2_CLK,
	/* FEC */
	PD0_AIN_FEC_TXD0,
	PD1_AIN_FEC_TXD1,
	PD2_AIN_FEC_TXD2,
	PD3_AIN_FEC_TXD3,
	PD4_AOUT_FEC_RX_ER,
	PD5_AOUT_FEC_RXD1,
	PD6_AOUT_FEC_RXD2,
	PD7_AOUT_FEC_RXD3,
	PD8_AF_FEC_MDIO,
	PD9_AIN_FEC_MDC,
	PD10_AOUT_FEC_CRS,
	PD11_AOUT_FEC_TX_CLK,
	PD12_AOUT_FEC_RXD0,
	PD13_AOUT_FEC_RX_DV,
	PD14_AOUT_FEC_RX_CLK,
	PD15_AOUT_FEC_COL,
	PD16_AIN_FEC_TX_ER,
	PF23_AIN_FEC_TX_EN,
	/* SSI1 */
	PC20_PF_SSI1_FS,
	PC21_PF_SSI1_RXD,
	PC22_PF_SSI1_TXD,
	PC23_PF_SSI1_CLK,
	/* onboard I2C */
	PC5_PF_I2C2_SDA,
	PC6_PF_I2C2_SCL,
	/* external I2C */
	PD17_PF_I2C_DATA,
	PD18_PF_I2C_CLK,
	/* SPI1 */
	PD25_PF_CSPI1_RDY,
	PD29_PF_CSPI1_SCLK,
	PD30_PF_CSPI1_MISO,
	PD31_PF_CSPI1_MOSI,
	/* OTG */
	OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
	PC7_PF_USBOTG_DATA5,
	PC8_PF_USBOTG_DATA6,
	PC9_PF_USBOTG_DATA0,
	PC10_PF_USBOTG_DATA2,
	PC11_PF_USBOTG_DATA1,
	PC12_PF_USBOTG_DATA4,
	PC13_PF_USBOTG_DATA3,
	PE0_PF_USBOTG_NXT,
	PE1_PF_USBOTG_STP,
	PE2_PF_USBOTG_DIR,
	PE24_PF_USBOTG_CLK,
	PE25_PF_USBOTG_DATA7,
	/* USBH2 */
	USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
	PA0_PF_USBH2_CLK,
	PA1_PF_USBH2_DIR,
	PA2_PF_USBH2_DATA7,
	PA3_PF_USBH2_NXT,
	PA4_PF_USBH2_STP,
	PD19_AF_USBH2_DATA4,
	PD20_AF_USBH2_DATA3,
	PD21_AF_USBH2_DATA6,
	PD22_AF_USBH2_DATA0,
	PD23_AF_USBH2_DATA2,
	PD24_AF_USBH2_DATA1,
	PD26_AF_USBH2_DATA5,
};

static struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static const struct mxc_nand_platform_data
pca100_nand_board_info __initconst = {
	.width = 1,
	.hw_ecc = 1,
};

static struct platform_device *platform_devices[] __initdata = {
	&mxc_w1_master_device,
	&mxc_fec_device,
	&mxc_wdt,
};

static const struct imxi2c_platform_data pca100_i2c1_data __initconst = {
	.bitrate = 100000,
};

static struct at24_platform_data board_eeprom = {
	.byte_len = 4096,
	.page_size = 32,
	.flags = AT24_FLAG_ADDR16,
};

static struct i2c_board_info pca100_i2c_devices[] = {
	{
		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
		.platform_data = &board_eeprom,
	}, {
		I2C_BOARD_INFO("rtc-pcf8563", 0x51),
		.type = "pcf8563"
	}, {
		I2C_BOARD_INFO("lm75", 0x4a),
		.type = "lm75"
	}
};

#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static struct spi_eeprom at25320 = {
	.name		= "at25320an",
	.byte_len	= 4096,
	.page_size	= 32,
	.flags		= EE_ADDR2,
};

static struct spi_board_info pca100_spi_board_info[] __initdata = {
	{
		.modalias = "at25",
		.max_speed_hz = 30000,
		.bus_num = 0,
		.chip_select = 1,
		.platform_data = &at25320,
	},
};

static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27};

static const struct spi_imx_master pca100_spi0_data __initconst = {
	.chipselect	= pca100_spi_cs,
	.num_chipselect = ARRAY_SIZE(pca100_spi_cs),
};
#endif

static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
{
	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
	gpio_set_value(GPIO_PORTC + 20, 1);
	udelay(2);
	gpio_set_value(GPIO_PORTC + 20, 0);
	mxc_gpio_mode(PC20_PF_SSI1_FS);
	msleep(2);
}

static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
{
	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);  /* FS */
	gpio_set_value(GPIO_PORTC + 20, 0);
	mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT);  /* TX */
	gpio_set_value(GPIO_PORTC + 22, 0);
	mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT);  /* reset */
	gpio_set_value(GPIO_PORTC + 28, 0);
	udelay(10);
	gpio_set_value(GPIO_PORTC + 28, 1);
	mxc_gpio_mode(PC20_PF_SSI1_FS);
	mxc_gpio_mode(PC22_PF_SSI1_TXD);
	msleep(2);
}

static struct imx_ssi_platform_data pca100_ssi_pdata = {
	.ac97_reset		= pca100_ac97_cold_reset,
	.ac97_warm_reset	= pca100_ac97_warm_reset,
	.flags			= IMX_SSI_USE_AC97,
};

static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
		void *data)
{
	int ret;

	ret = request_irq(IRQ_GPIOC(29), detect_irq,
			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
			  "imx-mmc-detect", data);
	if (ret)
		printk(KERN_ERR
			"pca100: Failed to reuest irq for sd/mmc detection\n");

	return ret;
}

static void pca100_sdhc2_exit(struct device *dev, void *data)
{
	free_irq(IRQ_GPIOC(29), data);
}

static struct imxmmc_platform_data sdhc_pdata = {
	.init = pca100_sdhc2_init,
	.exit = pca100_sdhc2_exit,
};

static int otg_phy_init(struct platform_device *pdev)
{
	gpio_set_value(OTG_PHY_CS_GPIO, 0);
	return 0;
}

static struct mxc_usbh_platform_data otg_pdata = {
	.init	= otg_phy_init,
	.portsc	= MXC_EHCI_MODE_ULPI,
	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
};

static int usbh2_phy_init(struct platform_device *pdev)
{
	gpio_set_value(USBH2_PHY_CS_GPIO, 0);
	return 0;
}

static struct mxc_usbh_platform_data usbh2_pdata = {
	.init	= usbh2_phy_init,
	.portsc	= MXC_EHCI_MODE_ULPI,
	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
};

static struct fsl_usb2_platform_data otg_device_pdata = {
	.operating_mode = FSL_USB2_DR_DEVICE,
	.phy_mode       = FSL_USB2_PHY_ULPI,
};

static int otg_mode_host;

static int __init pca100_otg_mode(char *options)
{
	if (!strcmp(options, "host"))
		otg_mode_host = 1;
	else if (!strcmp(options, "device"))
		otg_mode_host = 0;
	else
		pr_info("otg_mode neither \"host\" nor \"device\". "
			"Defaulting to device\n");
	return 0;
}
__setup("otg_mode=", pca100_otg_mode);

static void __init pca100_init(void)
{
	int ret;

	/* SSI unit */
	mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
				  MXC_AUDMUX_V1_PCR_TFCSEL(3) |
				  MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
				  MXC_AUDMUX_V1_PCR_RXDSEL(3));
	mxc_audmux_v1_configure_port(3,
				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
				  MXC_AUDMUX_V1_PCR_TFCSEL(0) |
				  MXC_AUDMUX_V1_PCR_TFSDIR |
				  MXC_AUDMUX_V1_PCR_RXDSEL(0));

	ret = mxc_gpio_setup_multiple_pins(pca100_pins,
			ARRAY_SIZE(pca100_pins), "PCA100");
	if (ret)
		printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);

	mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);

	mxc_register_device(&imx2x_uart_device0, &uart_pdata);

	mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
	mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);

	imx27_add_mxc_nand(&pca100_nand_board_info);

	/* only the i2c master 1 is used on this CPU card */
	i2c_register_board_info(1, pca100_i2c_devices,
				ARRAY_SIZE(pca100_i2c_devices));

	imx27_add_i2c_imx1(&pca100_i2c1_data);

	mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
	mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT);

	/* GPIO0_IRQ */
	mxc_gpio_mode(GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN);
	/* GPIO1_IRQ */
	mxc_gpio_mode(GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN);
	/* GPIO2_IRQ */
	mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN);

#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
	spi_register_board_info(pca100_spi_board_info,
				ARRAY_SIZE(pca100_spi_board_info));
	imx27_add_spi_imx0(&pca100_spi_0_data);
#endif

	gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
	gpio_direction_output(OTG_PHY_CS_GPIO, 1);
	gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
	gpio_direction_output(USBH2_PHY_CS_GPIO, 1);

#if defined(CONFIG_USB_ULPI)
	if (otg_mode_host) {
		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);

		mxc_register_device(&mxc_otg_host, &otg_pdata);
	}

	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);

	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
#endif
	if (!otg_mode_host) {
		gpio_set_value(OTG_PHY_CS_GPIO, 0);
		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
	}

	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}

static void __init pca100_timer_init(void)
{
	mx27_clocks_init(26000000);
}

static struct sys_timer pca100_timer = {
	.init = pca100_timer_init,
};

MACHINE_START(PCA100, "phyCARD-i.MX27")
	.phys_io        = MX27_AIPI_BASE_ADDR,
	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params    = MX27_PHYS_OFFSET + 0x100,
	.map_io         = mx27_map_io,
	.init_irq       = mx27_init_irq,
	.init_machine   = pca100_init,
	.timer          = &pca100_timer,
MACHINE_END
Commit	Line	Data
33731698 LF	1	/*
	2	* Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
	3	* Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de)
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* as published by the Free Software Foundation; either version 2
	8	* of the License, or (at your option) any later version.
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	17	* MA 02110-1301, USA.
	18	*/
	19
	20	#include <linux/platform_device.h>
	21	#include <linux/io.h>
	22	#include <linux/i2c.h>
	23	#include <linux/i2c/at24.h>
	24	#include <linux/dma-mapping.h>
	25	#include <linux/spi/spi.h>
	26	#include <linux/spi/eeprom.h>
	27	#include <linux/irq.h>
c8a6885f	28	#include <linux/delay.h>
33731698	29	#include <linux/gpio.h>
eee7c497 SH	30	#include <linux/usb/otg.h>
	31	#include <linux/usb/ulpi.h>
	32	#include <linux/fsl_devices.h>
33731698 LF	33
	34	#include <asm/mach/arch.h>
	35	#include <asm/mach-types.h>
	36	#include <mach/common.h>
	37	#include <mach/hardware.h>
e835d88e	38	#include <mach/iomux-mx27.h>
33731698	39	#include <asm/mach/time.h>
33731698	40	#include <mach/imx-uart.h>
c8a6885f SH	41	#include <mach/audmux.h>
c8a6885f SH	42	#include <mach/ssi.h>
33731698 LF	43	#include <mach/mxc_nand.h>
	44	#include <mach/irqs.h>
	45	#include <mach/mmc.h>
eee7c497 SH	46	#include <mach/mxc_ehci.h>
eee7c497 SH	47	#include <mach/ulpi.h>
33731698	48
0e7a29a8	49	#include "devices-imx27.h"
33731698 LF	50	#include "devices.h"
33731698 LF	51
eee7c497 SH	52	#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
	53	#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
	54
33731698 LF	55	static int pca100_pins[] = {
	56	/* UART1 */
	57	PE12_PF_UART1_TXD,
	58	PE13_PF_UART1_RXD,
	59	PE14_PF_UART1_CTS,
	60	PE15_PF_UART1_RTS,
	61	/* SDHC */
	62	PB4_PF_SD2_D0,
	63	PB5_PF_SD2_D1,
	64	PB6_PF_SD2_D2,
	65	PB7_PF_SD2_D3,
	66	PB8_PF_SD2_CMD,
	67	PB9_PF_SD2_CLK,
	68	/* FEC */
	69	PD0_AIN_FEC_TXD0,
	70	PD1_AIN_FEC_TXD1,
	71	PD2_AIN_FEC_TXD2,
	72	PD3_AIN_FEC_TXD3,
	73	PD4_AOUT_FEC_RX_ER,
	74	PD5_AOUT_FEC_RXD1,
	75	PD6_AOUT_FEC_RXD2,
	76	PD7_AOUT_FEC_RXD3,
	77	PD8_AF_FEC_MDIO,
	78	PD9_AIN_FEC_MDC,
	79	PD10_AOUT_FEC_CRS,
	80	PD11_AOUT_FEC_TX_CLK,
	81	PD12_AOUT_FEC_RXD0,
	82	PD13_AOUT_FEC_RX_DV,
	83	PD14_AOUT_FEC_RX_CLK,
	84	PD15_AOUT_FEC_COL,
	85	PD16_AIN_FEC_TX_ER,
	86	PF23_AIN_FEC_TX_EN,
	87	/* SSI1 */
	88	PC20_PF_SSI1_FS,
	89	PC21_PF_SSI1_RXD,
	90	PC22_PF_SSI1_TXD,
	91	PC23_PF_SSI1_CLK,
	92	/* onboard I2C */
	93	PC5_PF_I2C2_SDA,
	94	PC6_PF_I2C2_SCL,
	95	/* external I2C */
	96	PD17_PF_I2C_DATA,
	97	PD18_PF_I2C_CLK,
	98	/* SPI1 */
	99	PD25_PF_CSPI1_RDY,
	100	PD29_PF_CSPI1_SCLK,
	101	PD30_PF_CSPI1_MISO,
	102	PD31_PF_CSPI1_MOSI,
eee7c497 SH	103	/* OTG */
	104	OTG_PHY_CS_GPIO \| GPIO_GPIO \| GPIO_OUT,
	105	PC7_PF_USBOTG_DATA5,
	106	PC8_PF_USBOTG_DATA6,
	107	PC9_PF_USBOTG_DATA0,
	108	PC10_PF_USBOTG_DATA2,
	109	PC11_PF_USBOTG_DATA1,
	110	PC12_PF_USBOTG_DATA4,
	111	PC13_PF_USBOTG_DATA3,
	112	PE0_PF_USBOTG_NXT,
	113	PE1_PF_USBOTG_STP,
	114	PE2_PF_USBOTG_DIR,
	115	PE24_PF_USBOTG_CLK,
	116	PE25_PF_USBOTG_DATA7,
	117	/* USBH2 */
	118	USBH2_PHY_CS_GPIO \| GPIO_GPIO \| GPIO_OUT,
	119	PA0_PF_USBH2_CLK,
	120	PA1_PF_USBH2_DIR,
	121	PA2_PF_USBH2_DATA7,
	122	PA3_PF_USBH2_NXT,
	123	PA4_PF_USBH2_STP,
	124	PD19_AF_USBH2_DATA4,
	125	PD20_AF_USBH2_DATA3,
	126	PD21_AF_USBH2_DATA6,
	127	PD22_AF_USBH2_DATA0,
	128	PD23_AF_USBH2_DATA2,
	129	PD24_AF_USBH2_DATA1,
	130	PD26_AF_USBH2_DATA5,
33731698 LF	131	};
	132
	133	static struct imxuart_platform_data uart_pdata = {
	134	.flags = IMXUART_HAVE_RTSCTS,
	135	};
	136
0e7a29a8 UKK	137	static const struct mxc_nand_platform_data
0e7a29a8 UKK	138	pca100_nand_board_info __initconst = {
33731698 LF	139	.width = 1,
	140	.hw_ecc = 1,
	141	};
	142
	143	static struct platform_device *platform_devices[] __initdata = {
	144	&mxc_w1_master_device,
	145	&mxc_fec_device,
f13899da	146	&mxc_wdt,
33731698 LF	147	};
33731698 LF	148
c6987159	149	static const struct imxi2c_platform_data pca100_i2c1_data __initconst = {
33731698 LF	150	.bitrate = 100000,
	151	};
	152
	153	static struct at24_platform_data board_eeprom = {
	154	.byte_len = 4096,
	155	.page_size = 32,
	156	.flags = AT24_FLAG_ADDR16,
	157	};
	158
	159	static struct i2c_board_info pca100_i2c_devices[] = {
	160	{
	161	I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
	162	.platform_data = &board_eeprom,
	163	}, {
	164	I2C_BOARD_INFO("rtc-pcf8563", 0x51),
	165	.type = "pcf8563"
	166	}, {
	167	I2C_BOARD_INFO("lm75", 0x4a),
	168	.type = "lm75"
	169	}
	170	};
	171
	172	#if defined(CONFIG_SPI_IMX) \|\| defined(CONFIG_SPI_IMX_MODULE)
	173	static struct spi_eeprom at25320 = {
	174	.name = "at25320an",
	175	.byte_len = 4096,
	176	.page_size = 32,
	177	.flags = EE_ADDR2,
	178	};
	179
	180	static struct spi_board_info pca100_spi_board_info[] __initdata = {
	181	{
	182	.modalias = "at25",
	183	.max_speed_hz = 30000,
	184	.bus_num = 0,
	185	.chip_select = 1,
	186	.platform_data = &at25320,
	187	},
	188	};
	189
	190	static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27};
	191
7536cf99	192	static const struct spi_imx_master pca100_spi0_data __initconst = {
33731698 LF	193	.chipselect = pca100_spi_cs,
	194	.num_chipselect = ARRAY_SIZE(pca100_spi_cs),
	195	};
	196	#endif
	197
c8a6885f SH	198	static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
	199	{
	200	mxc_gpio_mode(GPIO_PORTC \| 20 \| GPIO_GPIO \| GPIO_OUT);
	201	gpio_set_value(GPIO_PORTC + 20, 1);
	202	udelay(2);
	203	gpio_set_value(GPIO_PORTC + 20, 0);
	204	mxc_gpio_mode(PC20_PF_SSI1_FS);
	205	msleep(2);
	206	}
	207
	208	static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
	209	{
	210	mxc_gpio_mode(GPIO_PORTC \| 20 \| GPIO_GPIO \| GPIO_OUT); /* FS */
	211	gpio_set_value(GPIO_PORTC + 20, 0);
	212	mxc_gpio_mode(GPIO_PORTC \| 22 \| GPIO_GPIO \| GPIO_OUT); /* TX */
	213	gpio_set_value(GPIO_PORTC + 22, 0);
	214	mxc_gpio_mode(GPIO_PORTC \| 28 \| GPIO_GPIO \| GPIO_OUT); /* reset */
	215	gpio_set_value(GPIO_PORTC + 28, 0);
	216	udelay(10);
	217	gpio_set_value(GPIO_PORTC + 28, 1);
	218	mxc_gpio_mode(PC20_PF_SSI1_FS);
	219	mxc_gpio_mode(PC22_PF_SSI1_TXD);
	220	msleep(2);
	221	}
	222
	223	static struct imx_ssi_platform_data pca100_ssi_pdata = {
	224	.ac97_reset = pca100_ac97_cold_reset,
	225	.ac97_warm_reset = pca100_ac97_warm_reset,
	226	.flags = IMX_SSI_USE_AC97,
	227	};
	228
33731698 LF	229	static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
	230	void *data)
	231	{
	232	int ret;
	233
	234	ret = request_irq(IRQ_GPIOC(29), detect_irq,
	235	IRQF_DISABLED \| IRQF_TRIGGER_FALLING,
	236	"imx-mmc-detect", data);
	237	if (ret)
	238	printk(KERN_ERR
	239	"pca100: Failed to reuest irq for sd/mmc detection\n");
	240
	241	return ret;
	242	}
	243
	244	static void pca100_sdhc2_exit(struct device dev, void data)
	245	{
	246	free_irq(IRQ_GPIOC(29), data);
	247	}
	248
	249	static struct imxmmc_platform_data sdhc_pdata = {
	250	.init = pca100_sdhc2_init,
	251	.exit = pca100_sdhc2_exit,
	252	};
	253
eee7c497 SH	254	static int otg_phy_init(struct platform_device *pdev)
	255	{
	256	gpio_set_value(OTG_PHY_CS_GPIO, 0);
	257	return 0;
	258	}
	259
	260	static struct mxc_usbh_platform_data otg_pdata = {
	261	.init = otg_phy_init,
	262	.portsc = MXC_EHCI_MODE_ULPI,
	263	.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
	264	};
	265
	266	static int usbh2_phy_init(struct platform_device *pdev)
	267	{
	268	gpio_set_value(USBH2_PHY_CS_GPIO, 0);
	269	return 0;
	270	}
	271
	272	static struct mxc_usbh_platform_data usbh2_pdata = {
	273	.init = usbh2_phy_init,
	274	.portsc = MXC_EHCI_MODE_ULPI,
	275	.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
	276	};
	277
	278	static struct fsl_usb2_platform_data otg_device_pdata = {
	279	.operating_mode = FSL_USB2_DR_DEVICE,
	280	.phy_mode = FSL_USB2_PHY_ULPI,
	281	};
	282
	283	static int otg_mode_host;
	284
	285	static int __init pca100_otg_mode(char *options)
	286	{
	287	if (!strcmp(options, "host"))
	288	otg_mode_host = 1;
	289	else if (!strcmp(options, "device"))
	290	otg_mode_host = 0;
	291	else
	292	pr_info("otg_mode neither \"host\" nor \"device\". "
	293	"Defaulting to device\n");
	294	return 0;
	295	}
	296	__setup("otg_mode=", pca100_otg_mode);
	297
33731698 LF	298	static void __init pca100_init(void)
	299	{
	300	int ret;
	301
c8a6885f SH	302	/* SSI unit */
	303	mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
	304	MXC_AUDMUX_V1_PCR_SYN \| /* 4wire mode */
	305	MXC_AUDMUX_V1_PCR_TFCSEL(3) \|
	306	MXC_AUDMUX_V1_PCR_TCLKDIR \| /* clock is output */
	307	MXC_AUDMUX_V1_PCR_RXDSEL(3));
	308	mxc_audmux_v1_configure_port(3,
	309	MXC_AUDMUX_V1_PCR_SYN \| /* 4wire mode */
	310	MXC_AUDMUX_V1_PCR_TFCSEL(0) \|
	311	MXC_AUDMUX_V1_PCR_TFSDIR \|
	312	MXC_AUDMUX_V1_PCR_RXDSEL(0));
	313
33731698 LF	314	ret = mxc_gpio_setup_multiple_pins(pca100_pins,
	315	ARRAY_SIZE(pca100_pins), "PCA100");
	316	if (ret)
	317	printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
	318
c8a6885f SH	319	mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);
c8a6885f SH	320
551823e7	321	mxc_register_device(&imx2x_uart_device0, &uart_pdata);
33731698 LF	322
	323	mxc_gpio_mode(GPIO_PORTC \| 29 \| GPIO_GPIO \| GPIO_IN);
	324	mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
	325
0e7a29a8	326	imx27_add_mxc_nand(&pca100_nand_board_info);
33731698 LF	327
	328	/* only the i2c master 1 is used on this CPU card */
	329	i2c_register_board_info(1, pca100_i2c_devices,
	330	ARRAY_SIZE(pca100_i2c_devices));
	331
c6987159	332	imx27_add_i2c_imx1(&pca100_i2c1_data);
33731698 LF	333
	334	mxc_gpio_mode(GPIO_PORTD \| 28 \| GPIO_GPIO \| GPIO_OUT);
	335	mxc_gpio_mode(GPIO_PORTD \| 27 \| GPIO_GPIO \| GPIO_OUT);
	336
	337	/* GPIO0_IRQ */
	338	mxc_gpio_mode(GPIO_PORTC \| 31 \| GPIO_GPIO \| GPIO_IN);
	339	/* GPIO1_IRQ */
	340	mxc_gpio_mode(GPIO_PORTC \| 25 \| GPIO_GPIO \| GPIO_IN);
	341	/* GPIO2_IRQ */
	342	mxc_gpio_mode(GPIO_PORTE \| 5 \| GPIO_GPIO \| GPIO_IN);
	343
	344	#if defined(CONFIG_SPI_IMX) \|\| defined(CONFIG_SPI_IMX_MODULE)
	345	spi_register_board_info(pca100_spi_board_info,
	346	ARRAY_SIZE(pca100_spi_board_info));
7536cf99	347	imx27_add_spi_imx0(&pca100_spi_0_data);
33731698 LF	348	#endif
33731698 LF	349
eee7c497 SH	350	gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
	351	gpio_direction_output(OTG_PHY_CS_GPIO, 1);
	352	gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
	353	gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
	354
	355	#if defined(CONFIG_USB_ULPI)
	356	if (otg_mode_host) {
	357	otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
	358	USB_OTG_DRV_VBUS \| USB_OTG_DRV_VBUS_EXT);
	359
	360	mxc_register_device(&mxc_otg_host, &otg_pdata);
	361	}
	362
	363	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
	364	USB_OTG_DRV_VBUS \| USB_OTG_DRV_VBUS_EXT);
	365
	366	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
	367	#endif
	368	if (!otg_mode_host) {
	369	gpio_set_value(OTG_PHY_CS_GPIO, 0);
	370	mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
	371	}
	372
33731698 LF	373	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
	374	}
	375
	376	static void __init pca100_timer_init(void)
	377	{
	378	mx27_clocks_init(26000000);
	379	}
	380
	381	static struct sys_timer pca100_timer = {
	382	.init = pca100_timer_init,
	383	};
	384
	385	MACHINE_START(PCA100, "phyCARD-i.MX27")
3f35d1f5 UKK	386	.phys_io = MX27_AIPI_BASE_ADDR,
3f35d1f5 UKK	387	.io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
34101237	388	.boot_params = MX27_PHYS_OFFSET + 0x100,
33731698	389	.map_io = mx27_map_io,
f6f1bc64	390	.init_irq = mx27_init_irq,
33731698 LF	391	.init_machine = pca100_init,
	392	.timer = &pca100_timer,
	393	MACHINE_END
	394