/* S5M8767 Regulator */
static int s5m_cfg_irq(void)
{
/* AP_PMIC_IRQ: EINT26 */
s3c_gpio_cfgpin(EXYNOS5_GPX3(2), S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(EXYNOS5_GPX3(2), S3C_GPIO_PULL_UP);
return 0;
}
/* Convert an external interrupt number (0-31) to a Linux irq number */
static int eint_to_gpio(int eint)
{
if (eint < 8)
return EXYNOS5_GPX0(eint & 7);
else if (eint < 16)
return EXYNOS5_GPX1(eint & 7);
else if (eint < 24)
return EXYNOS5_GPX2(eint & 7);
else
return EXYNOS5_GPX3(eint & 7);
}
static inline int exynos5_irq_to_gpio(unsigned int irq)
{
if (irq < IRQ_EINT(0))
return -EINVAL;
irq -= IRQ_EINT(0);
if (irq < 8)
return EXYNOS5_GPX0(irq);
irq -= 8;
if (irq < 8)
return EXYNOS5_GPX1(irq);
irq -= 8;
if (irq < 8)
return EXYNOS5_GPX2(irq);
irq -= 8;
if (irq < 8)
return EXYNOS5_GPX3(irq);
return -EINVAL;
}
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 {
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_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);
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);
}
/* 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 {
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);
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);
}
s5p_usbswitch_set_platdata(pdata);
}