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/* linux/arch/arm/mach-exynos/board-smdk5250-usb.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/platform_data/exynos_usb3_drd.h>
#include <plat/gpio-cfg.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/ehci.h>
#include <plat/usbgadget.h>
#include <plat/usb-switch.h>
#include "board-smdk5250.h"
static struct s5p_ehci_platdata smdk5250_ehci_pdata;
static void __init smdk5250_ehci_init(void)
{
struct s5p_ehci_platdata *pdata = &smdk5250_ehci_pdata;
#ifndef CONFIG_USB_EXYNOS_SWITCH
if (samsung_rev() >= EXYNOS5250_REV_1_0) {
if (gpio_request_one(EXYNOS5_GPX2(6), GPIOF_OUT_INIT_HIGH,
"HOST_VBUS_CONTROL"))
printk(KERN_ERR "failed to request gpio_host_vbus\n");
else {
s3c_gpio_setpull(EXYNOS5_GPX2(6), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5_GPX2(6));
}
}
#endif
s5p_ehci_set_platdata(pdata);
}
static struct s5p_ohci_platdata smdk5250_ohci_pdata;
static void __init smdk5250_ohci_init(void)
{
struct s5p_ohci_platdata *pdata = &smdk5250_ohci_pdata;
s5p_ohci_set_platdata(pdata);
}
/* USB GADGET */
static struct s5p_usbgadget_platdata smdk5250_usbgadget_pdata;
static void __init smdk5250_usbgadget_init(void)
{
struct s5p_usbgadget_platdata *pdata = &smdk5250_usbgadget_pdata;
s5p_usbgadget_set_platdata(pdata);
}
static struct exynos_usb3_drd_pdata smdk5250_ss_udc_pdata;
static void __init smdk5250_ss_udc_init(void)
{
struct exynos_usb3_drd_pdata *pdata = &smdk5250_ss_udc_pdata;
exynos_ss_udc_set_platdata(pdata);
}
static struct exynos_usb3_drd_pdata smdk5250_xhci_pdata;
static void __init smdk5250_xhci_init(void)
{
struct exynos_usb3_drd_pdata *pdata = &smdk5250_xhci_pdata;
exynos_xhci_set_platdata(pdata);
}
static struct s5p_usbswitch_platdata smdk5250_usbswitch_pdata;
static void __init smdk5250_usbswitch_init(void)
{
struct s5p_usbswitch_platdata *pdata = &smdk5250_usbswitch_pdata;
int err;
/* USB 2.0 detect GPIO */
if (samsung_rev() < EXYNOS5250_REV_1_0) {
pdata->gpio_device_detect = 0;
pdata->gpio_host_vbus = 0;
} else {
#if defined(CONFIG_USB_EHCI_S5P) || defined(CONFIG_USB_OHCI_S5P)
pdata->gpio_host_detect = EXYNOS5_GPX1(6);
err = gpio_request_one(pdata->gpio_host_detect, GPIOF_IN,
"HOST_DETECT");
if (err) {
printk(KERN_ERR "failed to request host gpio\n");
return;
}
s3c_gpio_cfgpin(pdata->gpio_host_detect, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(pdata->gpio_host_detect, S3C_GPIO_PULL_NONE);
gpio_free(pdata->gpio_host_detect);
pdata->gpio_host_vbus = EXYNOS5_GPX2(6);
err = gpio_request_one(pdata->gpio_host_vbus,
GPIOF_OUT_INIT_LOW,
"HOST_VBUS_CONTROL");
if (err) {
printk(KERN_ERR "failed to request host_vbus gpio\n");
return;
}
s3c_gpio_setpull(pdata->gpio_host_vbus, S3C_GPIO_PULL_NONE);
gpio_free(pdata->gpio_host_vbus);
#endif
#ifdef CONFIG_USB_S3C_OTGD
pdata->gpio_device_detect = EXYNOS5_GPX3(4);
err = gpio_request_one(pdata->gpio_device_detect, GPIOF_IN,
"DEVICE_DETECT");
if (err) {
printk(KERN_ERR "failed to request device gpio\n");
return;
}
s3c_gpio_cfgpin(pdata->gpio_device_detect, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(pdata->gpio_device_detect, S3C_GPIO_PULL_NONE);
gpio_free(pdata->gpio_device_detect);
#endif
}
/* USB 3.0 DRD detect GPIO */
if (samsung_rev() < EXYNOS5250_REV_1_0) {
pdata->gpio_drd_host_detect = 0;
pdata->gpio_drd_device_detect = 0;
} else {
#ifdef CONFIG_USB_XHCI_EXYNOS
pdata->gpio_drd_host_detect = EXYNOS5_GPX1(7);
err = gpio_request_one(pdata->gpio_drd_host_detect, GPIOF_IN,
"DRD_HOST_DETECT");
if (err) {
printk(KERN_ERR "failed to request drd_host gpio\n");
return;
}
s3c_gpio_cfgpin(pdata->gpio_drd_host_detect, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(pdata->gpio_drd_host_detect,
S3C_GPIO_PULL_NONE);
gpio_free(pdata->gpio_drd_host_detect);
#endif
#ifdef CONFIG_USB_EXYNOS_SS_UDC
pdata->gpio_drd_device_detect = EXYNOS5_GPX0(6);
err = gpio_request_one(pdata->gpio_drd_device_detect, GPIOF_IN,
"DRD_DEVICE_DETECT");
if (err) {
printk(KERN_ERR "failed to request drd_device\n");
return;
}
s3c_gpio_cfgpin(pdata->gpio_drd_device_detect,
S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(pdata->gpio_drd_device_detect,
S3C_GPIO_PULL_NONE);
gpio_free(pdata->gpio_drd_device_detect);
#endif
}
s5p_usbswitch_set_platdata(pdata);
}
static struct platform_device *smdk5250_usb_devices[] __initdata = {
&s5p_device_ehci,
&s5p_device_ohci,
&s3c_device_usbgadget,
#ifdef CONFIG_USB_ANDROID_RNDIS
&s3c_device_rndis,
#endif
#ifdef CONFIG_USB_ANDROID
&s3c_device_android_usb,
&s3c_device_usb_mass_storage,
#endif
&exynos_device_ss_udc,
&exynos_device_xhci,
};
void __init exynos5_smdk5250_usb_init(void)
{
smdk5250_ehci_init();
smdk5250_ohci_init();
smdk5250_usbgadget_init();
smdk5250_ss_udc_init();
smdk5250_xhci_init();
smdk5250_usbswitch_init();
platform_add_devices(smdk5250_usb_devices,
ARRAY_SIZE(smdk5250_usb_devices));
}
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