static int smdk5410_vbus_ctrl(struct platform_device *pdev, int on)
{
int phy_num = pdev->id;
unsigned gpio;
int ret = -EINVAL;
if (phy_num == 0)
gpio = EXYNOS5410_GPK3(3);
else if (phy_num == 1)
gpio = EXYNOS5410_GPK2(7);
else
return ret;
ret = gpio_request(gpio, "UDRD3_VBUSCTRL_U3");
if (ret < 0) {
pr_err("failed to request UDRD3_%d_VBUSCTRL_U3\n",
phy_num);
return ret;
}
gpio_set_value(gpio, !!on);
gpio_free(gpio);
return ret;
}
static void __init __maybe_unused smdk5410_drd0_init(void)
{
/* Initialize DRD0 gpio */
if (gpio_request(EXYNOS5410_GPK3(0), "UDRD3_0_OVERCUR_U2")) {
pr_err("failed to request UDRD3_0_OVERCUR_U2\n");
} else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(0), (0x2 << 0));
s3c_gpio_setpull(EXYNOS5410_GPK3(0), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(0));
}
if (gpio_request(EXYNOS5410_GPK3(1), "UDRD3_0_OVERCUR_U3")) {
pr_err("failed to request UDRD3_0_OVERCUR_U3\n");
} else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(1), (0x2 << 4));
s3c_gpio_setpull(EXYNOS5410_GPK3(1), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(1));
}
if (gpio_request_one(EXYNOS5410_GPK3(2), GPIOF_OUT_INIT_LOW,
"UDRD3_0_VBUSCTRL_U2")) {
pr_err("failed to request UDRD3_0_VBUSCTRL_U2\n");
} else {
s3c_gpio_setpull(EXYNOS5410_GPK3(2), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(2));
}
if (gpio_request_one(EXYNOS5410_GPK3(3), GPIOF_OUT_INIT_LOW,
"UDRD3_0_VBUSCTRL_U3")) {
pr_err("failed to request UDRD3_0_VBUSCTRL_U3\n");
} else {
s3c_gpio_setpull(EXYNOS5410_GPK3(3), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(3));
}
#if defined(CONFIG_USB_EXYNOS5_USB3_DRD_CH0)
if (gpio_request_one(SMDK5410_ID0_GPIO, GPIOF_IN, "UDRD3_0_ID")) {
pr_err("failed to request UDRD3_0_ID\n");
smdk5410_drd_pdata.id_irq = -1;
} else {
s3c_gpio_cfgpin(SMDK5410_ID0_GPIO, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(SMDK5410_ID0_GPIO, S3C_GPIO_PULL_NONE);
gpio_free(SMDK5410_ID0_GPIO);
smdk5410_drd_pdata.id_irq = gpio_to_irq(SMDK5410_ID0_GPIO);
}
if (gpio_request_one(SMDK5410_VBUS0_GPIO, GPIOF_IN, "UDRD3_0_VBUS")) {
pr_err("failed to request UDRD3_0_VBUS\n");
smdk5410_drd_pdata.vbus_irq = -1;
} else {
s3c_gpio_cfgpin(SMDK5410_VBUS0_GPIO, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(SMDK5410_VBUS0_GPIO, S3C_GPIO_PULL_NONE);
gpio_free(SMDK5410_VBUS0_GPIO);
smdk5410_drd_pdata.vbus_irq = gpio_to_irq(SMDK5410_VBUS0_GPIO);
}
smdk5410_drd_pdata.quirks = 0;
#if !defined(CONFIG_USB_XHCI_EXYNOS)
smdk5410_drd_pdata.quirks |= FORCE_RUN_PERIPHERAL;
#endif
#else
smdk5410_drd_pdata.id_irq = -1;
smdk5410_drd_pdata.vbus_irq = -1;
smdk5410_drd_pdata.quirks = DUMMY_DRD;
#endif
exynos5_usb3_drd0_set_platdata(&smdk5410_drd_pdata);
}
static void __init smdk5410_drd0_init(void)
{
/* Initialize DRD0 gpio */
if (gpio_request(EXYNOS5410_GPK3(0), "UDRD3_0_OVERCUR_U2")) {
pr_err("failed to request UDRD3_0_OVERCUR_U2\n");
} else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(0), (0x2 << 0));
s3c_gpio_setpull(EXYNOS5410_GPK3(0), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(0));
}
if (gpio_request(EXYNOS5410_GPK3(1), "UDRD3_0_OVERCUR_U3")) {
pr_err("failed to request UDRD3_0_OVERCUR_U3\n");
} else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(1), (0x2 << 4));
s3c_gpio_setpull(EXYNOS5410_GPK3(1), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(1));
}
if (gpio_request_one(EXYNOS5410_GPK3(2), GPIOF_OUT_INIT_LOW,
"UDRD3_0_VBUSCTRL_U2")) {
pr_err("failed to request UDRD3_0_VBUSCTRL_U2\n");
} else {
s3c_gpio_setpull(EXYNOS5410_GPK3(2), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(2));
}
if (gpio_request_one(EXYNOS5410_GPK3(3), GPIOF_OUT_INIT_LOW,
"UDRD3_0_VBUSCTRL_U3")) {
pr_err("failed to request UDRD3_0_VBUSCTRL_U3\n");
} else {
s3c_gpio_setpull(EXYNOS5410_GPK3(3), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(3));
}
if (gpio_request_one(SMDK5410_ID0_GPIO, GPIOF_IN, "UDRD3_0_ID")) {
pr_err("failed to request UDRD3_0_ID\n");
smdk5410_drd_pdata.id_irq = -1;
} else {
s3c_gpio_cfgpin(SMDK5410_ID0_GPIO, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(SMDK5410_ID0_GPIO, S3C_GPIO_PULL_NONE);
gpio_free(SMDK5410_ID0_GPIO);
smdk5410_drd_pdata.id_irq = gpio_to_irq(SMDK5410_ID0_GPIO);
}
if (gpio_request_one(SMDK5410_VBUS0_GPIO, GPIOF_IN, "UDRD3_0_VBUS")) {
pr_err("failed to request UDRD3_0_VBUS\n");
smdk5410_drd_pdata.vbus_irq = -1;
} else {
s3c_gpio_cfgpin(SMDK5410_VBUS0_GPIO, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(SMDK5410_VBUS0_GPIO, S3C_GPIO_PULL_NONE);
gpio_free(SMDK5410_VBUS0_GPIO);
smdk5410_drd_pdata.vbus_irq = gpio_to_irq(SMDK5410_VBUS0_GPIO);
}
smdk5410_drd_pdata.quirks = 0;
exynos5_usb3_drd0_set_platdata(&smdk5410_drd_pdata);
}
static void __init universal5410_drd0_init(void)
{
/* initialize DRD0 gpio */
if (gpio_request(EXYNOS5410_GPK3(0), "UDRD3_0_OVERCUR_U2"))
printk(KERN_ERR "failed to request UDRD3_0_OVERCUR_U2\n");
else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(0), (0x2 << 0));
s3c_gpio_setpull(EXYNOS5410_GPK3(0), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(0));
}
if (gpio_request(EXYNOS5410_GPK3(1), "UDRD3_0_OVERCUR_U3"))
printk(KERN_ERR "failed to request UDRD3_0_OVERCUR_U3\n");
else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(1), (0x2 << 4));
s3c_gpio_setpull(EXYNOS5410_GPK3(1), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(1));
}
if (gpio_request_one(EXYNOS5410_GPK3(2), GPIOF_OUT_INIT_LOW, "UDRD3_0_VBUSCTRL_U2"))
printk(KERN_ERR "failed to request UDRD3_0_VBUSCTRL_U2\n");
else {
s3c_gpio_setpull(EXYNOS5410_GPK3(2), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(2));
}
if (gpio_request_one(EXYNOS5410_GPK3(3), GPIOF_OUT_INIT_LOW, "UDRD3_0_VBUSCTRL_U3"))
printk(KERN_ERR "failed to request UDRD3_0_VBUSCTRL_U3\n");
else {
s3c_gpio_setpull(EXYNOS5410_GPK3(3), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(3));
}
/*
* Activate USB Device Controller (UDC) during booting.
*
* IMPORTANT: this solution is temporal. Use
* exynos_drd_switch_id_event() and exynos_drd_switch_vbus_event()
* callbacks to switch DRD role at runtime.
*/
#if !defined(CONFIG_USB_EXYNOS5_USB3_DRD_CH0)
universal5410_drd_pdata.quirks = DUMMY_DRD;
#elif defined(CONFIG_USB_EXYNOS_SS_UDC)
universal5410_drd_pdata.quirks |= FORCE_RUN_PERIPHERAL;
#endif
exynos5_usb3_drd0_set_platdata(&universal5410_drd_pdata);
}
static void __init universal5420_drd0_init(void)
{
/* initialize DRD0 gpio */
if (gpio_request(EXYNOS5410_GPK3(0), "UDRD3_0_OVERCUR_U2"))
printk(KERN_ERR "failed to request UDRD3_0_OVERCUR_U2\n");
else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(0), (0x2 << 0));
s3c_gpio_setpull(EXYNOS5410_GPK3(0), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(0));
}
if (gpio_request(EXYNOS5410_GPK3(1), "UDRD3_0_OVERCUR_U3"))
printk(KERN_ERR "failed to request UDRD3_0_OVERCUR_U3\n");
else {
s3c_gpio_cfgpin(EXYNOS5410_GPK3(1), (0x2 << 4));
s3c_gpio_setpull(EXYNOS5410_GPK3(1), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(1));
}
if (gpio_request_one(EXYNOS5410_GPK3(2), GPIOF_OUT_INIT_LOW, "UDRD3_0_VBUSCTRL_U2"))
printk(KERN_ERR "failed to request UDRD3_0_VBUSCTRL_U2\n");
else {
s3c_gpio_setpull(EXYNOS5410_GPK3(2), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(2));
}
if (gpio_request_one(EXYNOS5410_GPK3(3), GPIOF_OUT_INIT_LOW, "UDRD3_0_VBUSCTRL_U3"))
printk(KERN_ERR "failed to request UDRD3_0_VBUSCTRL_U3\n");
else {
s3c_gpio_setpull(EXYNOS5410_GPK3(3), S3C_GPIO_PULL_NONE);
gpio_free(EXYNOS5410_GPK3(3));
}
#if !defined(CONFIG_USB_EXYNOS5_USB3_DRD_CH0)
universal5420_drd_pdata.quirks = DUMMY_DRD;
#elif defined(CONFIG_USB_EXYNOS_SS_UDC)
universal5420_drd_pdata.quirks |= FORCE_RUN_PERIPHERAL;
#endif
universal5420_drd_pdata.quirks |= LOW_VBOOST;
exynos5_usb3_drd0_set_platdata(&universal5420_drd_pdata);
}