143 строки
3.9 KiB
C
143 строки
3.9 KiB
C
/*
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* linux/arch/arm/mach-pxa/colibri-evalboard.c
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*
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* Support for Toradex Colibri Evaluation Carrier Board
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* Daniel Mack <daniel@caiaq.de>
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* Marek Vasut <marek.vasut@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/gpio/machine.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <asm/mach/arch.h>
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#include <linux/i2c.h>
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#include <linux/platform_data/i2c-pxa.h>
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#include <asm/io.h>
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#include "pxa27x.h"
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#include "colibri.h"
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#include <linux/platform_data/mmc-pxamci.h>
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include "pxa27x-udc.h"
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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static struct pxamci_platform_data colibri_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.detect_delay_ms = 200,
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};
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static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
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.dev_id = "pxa2xx-mci.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
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"cd", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
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.dev_id = "pxa2xx-mci.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
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"cd", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
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.dev_id = "pxa2xx-mci.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
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"cd", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static void __init colibri_mmc_init(void)
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{
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if (machine_is_colibri()) /* PXA270 Colibri */
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gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
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if (machine_is_colibri300()) /* PXA300 Colibri */
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gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
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else /* PXA320 Colibri */
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gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
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pxa_set_mci_info(&colibri_mci_platform_data);
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}
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#else
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static inline void colibri_mmc_init(void) {}
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#endif
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/******************************************************************************
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* USB Host
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******************************************************************************/
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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static int colibri_ohci_init(struct device *dev)
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{
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UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
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return 0;
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}
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static struct pxaohci_platform_data colibri_ohci_info = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 |
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POWER_CONTROL_LOW | POWER_SENSE_LOW,
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.init = colibri_ohci_init,
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};
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static void __init colibri_uhc_init(void)
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{
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/* Colibri PXA270 has two usb ports, TBA for 320 */
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if (machine_is_colibri())
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colibri_ohci_info.flags |= ENABLE_PORT2;
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pxa_set_ohci_info(&colibri_ohci_info);
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}
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#else
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static inline void colibri_uhc_init(void) {}
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#endif
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/******************************************************************************
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* I2C RTC
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******************************************************************************/
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#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
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static struct i2c_board_info __initdata colibri_i2c_devs[] = {
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{
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I2C_BOARD_INFO("m41t00", 0x68),
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},
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};
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static void __init colibri_rtc_init(void)
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{
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pxa_set_i2c_info(NULL);
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i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
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}
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#else
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static inline void colibri_rtc_init(void) {}
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#endif
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void __init colibri_evalboard_init(void)
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{
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pxa_set_ffuart_info(NULL);
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pxa_set_btuart_info(NULL);
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pxa_set_stuart_info(NULL);
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colibri_mmc_init();
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colibri_uhc_init();
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colibri_rtc_init();
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}
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