From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../0040-USB-DWC2-enable-usb-power-gpio.patch      | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 target/linux/lantiq/patches-4.1/0040-USB-DWC2-enable-usb-power-gpio.patch

(limited to 'target/linux/lantiq/patches-4.1/0040-USB-DWC2-enable-usb-power-gpio.patch')

diff --git a/target/linux/lantiq/patches-4.1/0040-USB-DWC2-enable-usb-power-gpio.patch b/target/linux/lantiq/patches-4.1/0040-USB-DWC2-enable-usb-power-gpio.patch
new file mode 100644
index 0000000..9c6f11c
--- /dev/null
+++ b/target/linux/lantiq/patches-4.1/0040-USB-DWC2-enable-usb-power-gpio.patch
@@ -0,0 +1,35 @@
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -41,6 +41,7 @@
+ #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/usb/of.h>
+@@ -161,6 +162,7 @@ static int dwc2_driver_probe(struct plat
+ 	struct usb_phy *uphy;
+ 	int retval;
+ 	int irq;
++	int gpio_count;
+ 
+ 	match = of_match_device(dwc2_of_match_table, &dev->dev);
+ 	if (match && match->data) {
+@@ -177,6 +179,16 @@ 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;
-- 
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