[PATCH] usb: dwc3: Integrate usb5744 & usb2244 driver support

[Venkatesh Yadav Abbarapu]

Usb5744 & usb2244 are Microchip based usbhub and usb-2.0 based SD
controller devices. Integrate these devices into dwc3 driver to bind and
probe the respective drivers to get detected by usb controller.

Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
---
 drivers/usb/dwc3/dwc3-generic.c | 67 ++++++++++++++++++++++++---------
 1 file changed, 49 insertions(+), 18 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index 6fb2de8a5a..a2eb2c8e24 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -430,29 +430,49 @@ static int dwc3_glue_bind_common(struct udevice *parent, ofnode node)
 
 	debug("%s: subnode name: %s\n", __func__, name);
 
+	if (!ofnode_device_is_compatible(node, "snps,dwc3")) {
+		if (ofnode_device_is_compatible(node,
+						"microchip,usb5744"))
+				driver = "usb5744";
+		else if (ofnode_device_is_compatible
+			(node, "microchip,usb2244"))
+				driver = "usb2244";
+
+			ret = device_bind_driver_to_node(parent, driver, name,
+							 node, &dev);
+			if (ret) {
+				printf("Failed to bind: %s, err: %d\n",
+				       driver, ret);
+				return ret;
+			}
+	}
+
 	/* if the parent node doesn't have a mode check the leaf */
 	dr_mode = usb_get_dr_mode(dev_ofnode(parent));
 	if (!dr_mode)
 		dr_mode = usb_get_dr_mode(node);
 
-	if (CONFIG_IS_ENABLED(DM_USB_GADGET) &&
-	    (dr_mode == USB_DR_MODE_PERIPHERAL || dr_mode == USB_DR_MODE_OTG)) {
-		debug("%s: dr_mode: OTG or Peripheral\n", __func__);
-		driver = "dwc3-generic-peripheral";
-	} else if (CONFIG_IS_ENABLED(USB_HOST) && dr_mode == USB_DR_MODE_HOST) {
-		debug("%s: dr_mode: HOST\n", __func__);
-		driver = "dwc3-generic-host";
-	} else {
-		debug("%s: unsupported dr_mode %d\n", __func__, dr_mode);
-		return -ENODEV;
-	}
+	if (ofnode_device_is_compatible(node, "snps,dwc3")) {
+		if (CONFIG_IS_ENABLED(DM_USB_GADGET) &&
+		    (dr_mode == USB_DR_MODE_PERIPHERAL || dr_mode == USB_DR_MODE_OTG)) {
+			debug("%s: dr_mode: OTG or Peripheral\n", __func__);
+			driver = "dwc3-generic-peripheral";
+		} else if (CONFIG_IS_ENABLED(USB_HOST) && dr_mode == USB_DR_MODE_HOST) {
+			debug("%s: dr_mode: HOST\n", __func__);
+			driver = "dwc3-generic-host";
+		} else {
+			debug("%s: unsupported dr_mode %d\n", __func__, dr_mode);
+			return -ENODEV;
+		}
 
-	ret = device_bind_driver_to_node(parent, driver, name,
-					 node, &dev);
-	if (ret) {
-		debug("%s: not able to bind usb device mode\n",
-		      __func__);
-		return ret;
+		ret = device_bind_driver_to_node(parent, driver, name,
+						 node, &dev);
+
+		if (ret) {
+			debug("%s: not able to bind usb device mode\n",
+			      __func__);
+			return ret;
+		}
 	}
 
 	return 0;
@@ -479,7 +499,6 @@ int dwc3_glue_bind(struct udevice *parent)
 		if (ret)
 			return ret;
 	}
-
 	return 0;
 }
 
@@ -530,6 +549,7 @@ int dwc3_glue_probe(struct udevice *dev)
 	struct dwc3_glue_ops *ops = (struct dwc3_glue_ops *)dev_get_driver_data(dev);
 	struct dwc3_glue_data *glue = dev_get_plat(dev);
 	struct udevice *child = NULL;
+	ofnode node;
 	int index = 0;
 	int ret;
 	struct phy phy;
@@ -560,6 +580,17 @@ int dwc3_glue_probe(struct udevice *dev)
 			return ret;
 	}
 
+	ofnode_for_each_subnode(node, dev_ofnode(dev)) {
+		if (!ofnode_device_is_compatible(node, "snps,dwc3")) {
+			ret = uclass_get_device_by_ofnode(UCLASS_MISC, node, &child);
+			if (ret) {
+				printf("could not get device %s, err = %d\n",
+				       node.np->name, ret);
+				return ret;
+			}
+		}
+	}
+
 	device_find_first_child(dev, &child);
 	if (!child)
 		return 0;
-- 
2.25.1