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