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/sysdev.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/gpio.h>
  19 #include <asm/mach-types.h>
  20 #include <mach/hardware.h>
  21 #include <asm/mach/arch.h>
  22 #include <linux/i2c.h>
  23
  24 #include <mach/pxa27x.h>
  25 #include <mach/colibri.h>
  26 #include <mach/mmc.h>
  27 #include <mach/ohci.h>
  28 #include <mach/pxa27x-udc.h>
  29
  30 #include <plat/i2c.h>
  31
  32 #include "generic.h"
  33 #include "devices.h"
  34
  35 /******************************************************************************
  36  * SD/MMC card controller
  37  ******************************************************************************/
  38 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  39 static struct pxamci_platform_data colibri_mci_platform_data = {
  40         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  41         .gpio_power             = -1,
  42         .gpio_card_ro           = -1,
  43         .detect_delay_ms        = 200,
  44 };
  45
  46 static void __init colibri_mmc_init(void)
  47 {
  48         if (machine_is_colibri())       /* PXA270 Colibri */
  49                 colibri_mci_platform_data.gpio_card_detect =
  50                         GPIO0_COLIBRI_PXA270_SD_DETECT;
  51         if (machine_is_colibri300())    /* PXA300 Colibri */
  52                 colibri_mci_platform_data.gpio_card_detect =
  53                         GPIO13_COLIBRI_PXA300_SD_DETECT;
  54         else                            /* PXA320 Colibri */
  55                 colibri_mci_platform_data.gpio_card_detect =
  56                         GPIO28_COLIBRI_PXA320_SD_DETECT;
  57
  58         pxa_set_mci_info(&colibri_mci_platform_data);
  59 }
  60 #else
  61 static inline void colibri_mmc_init(void) {}
  62 #endif
  63
  64 /******************************************************************************
  65  * USB Host
  66  ******************************************************************************/
  67 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  68 static int colibri_ohci_init(struct device *dev)
  69 {
  70         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
  71         return 0;
  72 }
  73
  74 static struct pxaohci_platform_data colibri_ohci_info = {
  75         .port_mode      = PMM_PERPORT_MODE,
  76         .flags          = ENABLE_PORT1 |
  77                           POWER_CONTROL_LOW | POWER_SENSE_LOW,
  78         .init           = colibri_ohci_init,
  79 };
  80
  81 static void __init colibri_uhc_init(void)
  82 {
  83         /* Colibri PXA270 has two usb ports, TBA for 320 */
  84         if (machine_is_colibri())
  85                 colibri_ohci_info.flags |= ENABLE_PORT2;
  86
  87         pxa_set_ohci_info(&colibri_ohci_info);
  88 }
  89 #else
  90 static inline void colibri_uhc_init(void) {}
  91 #endif
  92
  93 /******************************************************************************
  94  * I2C RTC
  95  ******************************************************************************/
  96 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
  97 static struct i2c_board_info __initdata colibri_i2c_devs[] = {
  98         {
  99                 I2C_BOARD_INFO("m41t00", 0x68),
 100         },
 101 };
 102
 103 static void __init colibri_rtc_init(void)
 104 {
 105         pxa_set_i2c_info(NULL);
 106         i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
 107 }
 108 #else
 109 static inline void colibri_rtc_init(void) {}
 110 #endif
 111
 112 void __init colibri_evalboard_init(void)
 113 {
 114         pxa_set_ffuart_info(NULL);
 115         pxa_set_btuart_info(NULL);
 116         pxa_set_stuart_info(NULL);
 117
 118         colibri_mmc_init();
 119         colibri_uhc_init();
 120         colibri_rtc_init();
 121 }