LXR linux/arch/arm/mach-pxa/colibri-evalboard.c

   1/*
   2 *  linux/arch/arm/mach-pxa/colibri-evalboard.c
   3 *
   4 *  Support for Toradex Colibri Evaluation Carrier Board
   5 *  Daniel Mack <daniel@caiaq.de>
   6 *  Marek Vasut <marek.vasut@gmail.com>
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License version 2 as
  10 *  published by the Free Software Foundation.
  11 */
  12
  13#include <linux/init.h>
  14#include <linux/kernel.h>
  15#include <linux/platform_device.h>
  16#include <linux/interrupt.h>
  17#include <linux/gpio.h>
  18#include <asm/mach-types.h>
  19#include <mach/hardware.h>
  20#include <asm/mach/arch.h>
  21#include <linux/i2c.h>
  22#include <linux/i2c/pxa-i2c.h>
  23#include <asm/io.h>
  24
  25#include "pxa27x.h"
  26#include "colibri.h"
  27#include <linux/platform_data/mmc-pxamci.h>
  28#include <linux/platform_data/usb-ohci-pxa27x.h>
  29#include "pxa27x-udc.h"
  30
  31#include "generic.h"
  32#include "devices.h"
  33
  34/******************************************************************************
  35 * SD/MMC card controller
  36 ******************************************************************************/
  37#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  38static struct pxamci_platform_data colibri_mci_platform_data = {
  39        .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  40        .gpio_power             = -1,
  41        .gpio_card_ro           = -1,
  42        .detect_delay_ms        = 200,
  43};
  44
  45static void __init colibri_mmc_init(void)
  46{
  47        if (machine_is_colibri())       /* PXA270 Colibri */
  48                colibri_mci_platform_data.gpio_card_detect =
  49                        GPIO0_COLIBRI_PXA270_SD_DETECT;
  50        if (machine_is_colibri300())    /* PXA300 Colibri */
  51                colibri_mci_platform_data.gpio_card_detect =
  52                        GPIO13_COLIBRI_PXA300_SD_DETECT;
  53        else                            /* PXA320 Colibri */
  54                colibri_mci_platform_data.gpio_card_detect =
  55                        GPIO28_COLIBRI_PXA320_SD_DETECT;
  56
  57        pxa_set_mci_info(&colibri_mci_platform_data);
  58}
  59#else
  60static inline void colibri_mmc_init(void) {}
  61#endif
  62
  63/******************************************************************************
  64 * USB Host
  65 ******************************************************************************/
  66#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  67static int colibri_ohci_init(struct device *dev)
  68{
  69        UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
  70        return 0;
  71}
  72
  73static struct pxaohci_platform_data colibri_ohci_info = {
  74        .port_mode      = PMM_PERPORT_MODE,
  75        .flags          = ENABLE_PORT1 |
  76                          POWER_CONTROL_LOW | POWER_SENSE_LOW,
  77        .init           = colibri_ohci_init,
  78};
  79
  80static void __init colibri_uhc_init(void)
  81{
  82        /* Colibri PXA270 has two usb ports, TBA for 320 */
  83        if (machine_is_colibri())
  84                colibri_ohci_info.flags |= ENABLE_PORT2;
  85
  86        pxa_set_ohci_info(&colibri_ohci_info);
  87}
  88#else
  89static inline void colibri_uhc_init(void) {}
  90#endif
  91
  92/******************************************************************************
  93 * I2C RTC
  94 ******************************************************************************/
  95#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
  96static struct i2c_board_info __initdata colibri_i2c_devs[] = {
  97        {
  98                I2C_BOARD_INFO("m41t00", 0x68),
  99        },
 100};
 101
 102static void __init colibri_rtc_init(void)
 103{
 104        pxa_set_i2c_info(NULL);
 105        i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
 106}
 107#else
 108static inline void colibri_rtc_init(void) {}
 109#endif
 110
 111void __init colibri_evalboard_init(void)
 112{
 113        pxa_set_ffuart_info(NULL);
 114        pxa_set_btuart_info(NULL);
 115        pxa_set_stuart_info(NULL);
 116
 117        colibri_mmc_init();
 118        colibri_uhc_init();
 119        colibri_rtc_init();
 120}
 121