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 <mach/pxa27x.h>
  26 #include <mach/colibri.h>
  27 #include <linux/platform_data/mmc-pxamci.h>
  28 #include <linux/platform_data/usb-ohci-pxa27x.h>
  29 #include <mach/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)
  38 static 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
  45 static 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
  60 static 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)
  67 static int colibri_ohci_init(struct device *dev)
  68 {
  69         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
  70         return 0;
  71 }
  72
  73 static 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
  80 static 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
  89 static 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)
  96 static struct i2c_board_info __initdata colibri_i2c_devs[] = {
  97         {
  98                 I2C_BOARD_INFO("m41t00", 0x68),
  99         },
 100 };
 101
 102 static 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
 108 static inline void colibri_rtc_init(void) {}
 109 #endif
 110
 111 void __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 }