release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/colibri-pxa270-evalboard.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
   3  *
   4  *  Support for Toradex PXA270 based 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
  23 #include <mach/pxa27x.h>
  24 #include <mach/colibri.h>
  25 #include <mach/mmc.h>
  26 #include <mach/ohci.h>
  27 #include <mach/pxa27x-udc.h>
  28
  29 #include "generic.h"
  30 #include "devices.h"
  31
  32 /******************************************************************************
  33  * Pin configuration
  34  ******************************************************************************/
  35 static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
  36         /* MMC */
  37         GPIO32_MMC_CLK,
  38         GPIO92_MMC_DAT_0,
  39         GPIO109_MMC_DAT_1,
  40         GPIO110_MMC_DAT_2,
  41         GPIO111_MMC_DAT_3,
  42         GPIO112_MMC_CMD,
  43         GPIO0_GPIO,     /* SD detect */
  44
  45         /* FFUART */
  46         GPIO39_FFUART_TXD,
  47         GPIO34_FFUART_RXD,
  48
  49         /* UHC */
  50         GPIO88_USBH1_PWR,
  51         GPIO89_USBH1_PEN,
  52         GPIO119_USBH2_PWR,
  53         GPIO120_USBH2_PEN,
  54 };
  55
  56 /******************************************************************************
  57  * SD/MMC card controller
  58  ******************************************************************************/
  59 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  60 static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
  61         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  62         .gpio_power             = -1,
  63         .gpio_card_detect       = GPIO0_COLIBRI_PXA270_SD_DETECT,
  64         .gpio_card_ro           = -1,
  65         .detect_delay_ms        = 200,
  66 };
  67
  68 static void __init colibri_pxa270_mmc_init(void)
  69 {
  70         pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
  71 }
  72 #else
  73 static inline void colibri_pxa270_mmc_init(void) {}
  74 #endif
  75
  76 /******************************************************************************
  77  * USB Host
  78  ******************************************************************************/
  79 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  80 static int colibri_pxa270_ohci_init(struct device *dev)
  81 {
  82         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
  83         return 0;
  84 }
  85
  86 static struct pxaohci_platform_data colibri_pxa270_ohci_info = {
  87         .port_mode      = PMM_PERPORT_MODE,
  88         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
  89                           POWER_CONTROL_LOW | POWER_SENSE_LOW,
  90         .init           = colibri_pxa270_ohci_init,
  91 };
  92
  93 static void __init colibri_pxa270_uhc_init(void)
  94 {
  95         pxa_set_ohci_info(&colibri_pxa270_ohci_info);
  96 }
  97 #else
  98 static inline void colibri_pxa270_uhc_init(void) {}
  99 #endif
 100
 101 void __init colibri_pxa270_evalboard_init(void)
 102 {
 103         pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_evalboard_pin_config));
 104         pxa_set_ffuart_info(NULL);
 105         pxa_set_btuart_info(NULL);
 106         pxa_set_stuart_info(NULL);
 107
 108         colibri_pxa270_mmc_init();
 109         colibri_pxa270_uhc_init();
 110 }