36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
|
--- a/drivers/usb/dwc2/platform.c
|
||
|
|
+++ b/drivers/usb/dwc2/platform.c
|
||
|
|
@@ -42,6 +42,7 @@
|
||
|
|
#include <linux/dma-mapping.h>
|
||
|
|
#include <linux/of_device.h>
|
||
|
|
#include <linux/mutex.h>
|
||
|
|
+#include <linux/of_gpio.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/phy/phy.h>
|
||
|
|
#include <linux/platform_data/s3c-hsotg.h>
|
||
|
|
@@ -544,6 +545,7 @@ static int dwc2_driver_probe(struct plat
|
||
|
|
struct dwc2_hsotg *hsotg;
|
||
|
|
struct resource *res;
|
||
|
|
int retval;
|
||
|
|
+ int gpio_count;
|
||
|
|
|
||
|
|
match = of_match_device(dwc2_of_match_table, &dev->dev);
|
||
|
|
if (match && match->data) {
|
||
|
|
@@ -562,6 +564,16 @@ static int dwc2_driver_probe(struct plat
|
||
|
|
defparams.dma_desc_fs_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;
|