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