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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  linux/arch/arm/mach-pxa/colibri-evalboard.c
   4 *
   5 *  Support for Toradex Colibri Evaluation Carrier Board
   6 *  Daniel Mack <daniel@caiaq.de>
   7 *  Marek Vasut <marek.vasut@gmail.com>
   8 */
   9
  10#include <linux/init.h>
  11#include <linux/kernel.h>
  12#include <linux/platform_device.h>
  13#include <linux/interrupt.h>
  14#include <linux/gpio/machine.h>
  15#include <asm/mach-types.h>
  16#include <mach/hardware.h>
  17#include <asm/mach/arch.h>
  18#include <linux/i2c.h>
  19#include <linux/platform_data/i2c-pxa.h>
  20#include <asm/io.h>
  21
  22#include "pxa27x.h"
  23#include "colibri.h"
  24#include <linux/platform_data/mmc-pxamci.h>
  25#include <linux/platform_data/usb-ohci-pxa27x.h>
  26#include "pxa27x-udc.h"
  27
  28#include "generic.h"
  29#include "devices.h"
  30
  31/******************************************************************************
  32 * SD/MMC card controller
  33 ******************************************************************************/
  34#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  35static struct pxamci_platform_data colibri_mci_platform_data = {
  36        .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  37        .detect_delay_ms        = 200,
  38};
  39
  40static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
  41        .dev_id = "pxa2xx-mci.0",
  42        .table = {
  43                GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
  44                            "cd", GPIO_ACTIVE_LOW),
  45                { },
  46        },
  47};
  48
  49static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
  50        .dev_id = "pxa2xx-mci.0",
  51        .table = {
  52                GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
  53                            "cd", GPIO_ACTIVE_LOW),
  54                { },
  55        },
  56};
  57
  58static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
  59        .dev_id = "pxa2xx-mci.0",
  60        .table = {
  61                GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
  62                            "cd", GPIO_ACTIVE_LOW),
  63                { },
  64        },
  65};
  66
  67static void __init colibri_mmc_init(void)
  68{
  69        if (machine_is_colibri())       /* PXA270 Colibri */
  70                gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
  71        if (machine_is_colibri300())    /* PXA300 Colibri */
  72                gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
  73        else                            /* PXA320 Colibri */
  74                gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
  75
  76        pxa_set_mci_info(&colibri_mci_platform_data);
  77}
  78#else
  79static inline void colibri_mmc_init(void) {}
  80#endif
  81
  82/******************************************************************************
  83 * USB Host
  84 ******************************************************************************/
  85#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  86static int colibri_ohci_init(struct device *dev)
  87{
  88        UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
  89        return 0;
  90}
  91
  92static struct pxaohci_platform_data colibri_ohci_info = {
  93        .port_mode      = PMM_PERPORT_MODE,
  94        .flags          = ENABLE_PORT1 |
  95                          POWER_CONTROL_LOW | POWER_SENSE_LOW,
  96        .init           = colibri_ohci_init,
  97};
  98
  99static void __init colibri_uhc_init(void)
 100{
 101        /* Colibri PXA270 has two usb ports, TBA for 320 */
 102        if (machine_is_colibri())
 103                colibri_ohci_info.flags |= ENABLE_PORT2;
 104
 105        pxa_set_ohci_info(&colibri_ohci_info);
 106}
 107#else
 108static inline void colibri_uhc_init(void) {}
 109#endif
 110
 111/******************************************************************************
 112 * I2C RTC
 113 ******************************************************************************/
 114#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
 115static struct i2c_board_info __initdata colibri_i2c_devs[] = {
 116        {
 117                I2C_BOARD_INFO("m41t00", 0x68),
 118        },
 119};
 120
 121static void __init colibri_rtc_init(void)
 122{
 123        pxa_set_i2c_info(NULL);
 124        i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
 125}
 126#else
 127static inline void colibri_rtc_init(void) {}
 128#endif
 129
 130void __init colibri_evalboard_init(void)
 131{
 132        pxa_set_ffuart_info(NULL);
 133        pxa_set_btuart_info(NULL);
 134        pxa_set_stuart_info(NULL);
 135
 136        colibri_mmc_init();
 137        colibri_uhc_init();
 138        colibri_rtc_init();
 139}
 140