linux-vybrid_public/arch/arm/mach-pxa/colibri-pxa270-evalboard.c

/*
 *  linux/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
 *
 *  Support for Toradex PXA270 based Colibri Evaluation Carrier Board
 *  Daniel Mack <daniel@caiaq.de>
 *  Marek Vasut <marek.vasut@gmail.com>
 *
 *  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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/mach/arch.h>

#include <mach/pxa27x.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pxa27x-udc.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
	/* MMC */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,
	GPIO0_GPIO,	/* SD detect */

	/* FFUART */
	GPIO39_FFUART_TXD,
	GPIO34_FFUART_RXD,

	/* UHC */
	GPIO88_USBH1_PWR,
	GPIO89_USBH1_PEN,
	GPIO119_USBH2_PWR,
	GPIO120_USBH2_PEN,

	/* PCMCIA */
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO49_nPWE,
	GPIO48_nPOE,
	GPIO57_nIOIS16,
	GPIO56_nPWAIT,
	GPIO104_PSKTSEL,
	GPIO53_GPIO,	/* RESET */
	GPIO83_GPIO,	/* BVD1 */
	GPIO82_GPIO,	/* BVD2 */
	GPIO1_GPIO,	/* READY */
	GPIO84_GPIO,	/* DETECT */
	GPIO107_GPIO,	/* PPEN */
};

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.gpio_power		= -1,
	.gpio_card_detect	= GPIO0_COLIBRI_PXA270_SD_DETECT,
	.gpio_card_ro		= -1,
	.detect_delay_ms	= 200,
};

static void __init colibri_pxa270_mmc_init(void)
{
	pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
}
#else
static inline void colibri_pxa270_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int colibri_pxa270_ohci_init(struct device *dev)
{
	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
	return 0;
}

static struct pxaohci_platform_data colibri_pxa270_ohci_info = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
	.init		= colibri_pxa270_ohci_init,
};

static void __init colibri_pxa270_uhc_init(void)
{
	pxa_set_ohci_info(&colibri_pxa270_ohci_info);
}
#else
static inline void colibri_pxa270_uhc_init(void) {}
#endif

void __init colibri_pxa270_evalboard_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_evalboard_pin_config));
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	colibri_pxa270_mmc_init();
	colibri_pxa270_uhc_init();
}