36 lines
995 B
Diff
36 lines
995 B
Diff
--- a/drivers/usb/dwc2/platform.c
|
|
+++ b/drivers/usb/dwc2/platform.c
|
|
@@ -40,6 +40,7 @@
|
|
#include <linux/device.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/of_device.h>
|
|
+#include <linux/of_gpio.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/usb/of.h>
|
|
@@ -154,6 +155,7 @@ static int dwc2_driver_probe(struct plat
|
|
struct resource *res;
|
|
int retval;
|
|
int irq;
|
|
+ int gpio_count;
|
|
|
|
if (usb_disabled())
|
|
return -ENODEV;
|
|
@@ -173,6 +175,16 @@ static int dwc2_driver_probe(struct plat
|
|
defparams.dma_desc_enable = 0;
|
|
}
|
|
|
|
+ gpio_count = of_gpio_count(dev->dev.of_node);
|
|
+ while (gpio_count > 0) {
|
|
+ enum of_gpio_flags flags;
|
|
+ int gpio = of_get_gpio_flags(dev->dev.of_node, --gpio_count, &flags);
|
|
+ if (gpio_request(gpio, "usb"))
|
|
+ continue;
|
|
+ dev_info(&dev->dev, "requested GPIO %d\n", gpio);
|
|
+ gpio_direction_output(gpio, (flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1));
|
|
+ }
|
|
+
|
|
hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL);
|
|
if (!hsotg)
|
|
return -ENOMEM;
|