X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fdwc3%2Fcore.c;h=56e2a046bf060177a7751aef31011f52f8a0c14f;hb=5ebc7c7e27780ce9a16289eeb87290eebd248ea9;hp=87b9c87edf6a0348d84b90d839160babfa896e11;hpb=3fea95369850987de15a2a0ac009d05e13b90246;p=oweals%2Fu-boot.git

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 87b9c87edf..56e2a046bf 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /**
  * core.c - DesignWare USB3 DRD Controller Core file
  *
@@ -10,8 +11,6 @@
  * to uboot.
  *
  * commit cd72f890d2 : usb: dwc3: core: enable phy suspend quirk on non-FPGA
- *
- * SPDX-License-Identifier:     GPL-2.0
  */
 
 #include <common.h>
@@ -19,7 +18,8 @@
 #include <dwc3-uboot.h>
 #include <asm/dma-mapping.h>
 #include <linux/ioport.h>
-
+#include <dm.h>
+#include <generic-phy.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 
@@ -111,7 +111,8 @@ static struct dwc3_event_buffer *dwc3_alloc_one_event_buffer(struct dwc3 *dwc,
 {
 	struct dwc3_event_buffer	*evt;
 
-	evt = devm_kzalloc(dwc->dev, sizeof(*evt), GFP_KERNEL);
+	evt = devm_kzalloc((struct udevice *)dwc->dev, sizeof(*evt),
+			   GFP_KERNEL);
 	if (!evt)
 		return ERR_PTR(-ENOMEM);
 
@@ -624,7 +625,8 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev)
 
 	void			*mem;
 
-	mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
+	mem = devm_kzalloc((struct udevice *)dev,
+			   sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
 	if (!mem)
 		return -ENOMEM;
 
@@ -786,3 +788,141 @@ MODULE_ALIAS("platform:dwc3");
 MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver");
+
+#if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
+int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys)
+{
+	int i, ret, count;
+	struct phy *usb_phys;
+
+	/* Return if no phy declared */
+	if (!dev_read_prop(dev, "phys", NULL))
+		return 0;
+	count = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
+	if (count <= 0)
+		return count;
+
+	usb_phys = devm_kcalloc(dev, count, sizeof(struct phy),
+				GFP_KERNEL);
+	if (!usb_phys)
+		return -ENOMEM;
+
+	for (i = 0; i < count; i++) {
+		ret = generic_phy_get_by_index(dev, i, &usb_phys[i]);
+		if (ret && ret != -ENOENT) {
+			pr_err("Failed to get USB PHY%d for %s\n",
+			       i, dev->name);
+			return ret;
+		}
+	}
+
+	for (i = 0; i < count; i++) {
+		ret = generic_phy_init(&usb_phys[i]);
+		if (ret) {
+			pr_err("Can't init USB PHY%d for %s\n",
+			       i, dev->name);
+			goto phys_init_err;
+		}
+	}
+
+	for (i = 0; i < count; i++) {
+		ret = generic_phy_power_on(&usb_phys[i]);
+		if (ret) {
+			pr_err("Can't power USB PHY%d for %s\n",
+			       i, dev->name);
+			goto phys_poweron_err;
+		}
+	}
+
+	*array = usb_phys;
+	*num_phys =  count;
+	return 0;
+
+phys_poweron_err:
+	for (i = count - 1; i >= 0; i--)
+		generic_phy_power_off(&usb_phys[i]);
+
+	for (i = 0; i < count; i++)
+		generic_phy_exit(&usb_phys[i]);
+
+	return ret;
+
+phys_init_err:
+	for (; i >= 0; i--)
+		generic_phy_exit(&usb_phys[i]);
+
+	return ret;
+}
+
+int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys)
+{
+	int i, ret;
+
+	for (i = 0; i < num_phys; i++) {
+		if (!generic_phy_valid(&usb_phys[i]))
+			continue;
+
+		ret = generic_phy_power_off(&usb_phys[i]);
+		ret |= generic_phy_exit(&usb_phys[i]);
+		if (ret) {
+			pr_err("Can't shutdown USB PHY%d for %s\n",
+			       i, dev->name);
+		}
+	}
+
+	return 0;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+int dwc3_init(struct dwc3 *dwc)
+{
+	int ret;
+
+	dwc3_cache_hwparams(dwc);
+
+	ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE);
+	if (ret) {
+		dev_err(dwc->dev, "failed to allocate event buffers\n");
+		return -ENOMEM;
+	}
+
+	ret = dwc3_core_init(dwc);
+	if (ret) {
+		dev_err(dev, "failed to initialize core\n");
+		goto core_fail;
+	}
+
+	ret = dwc3_event_buffers_setup(dwc);
+	if (ret) {
+		dev_err(dwc->dev, "failed to setup event buffers\n");
+		goto event_fail;
+	}
+
+	ret = dwc3_core_init_mode(dwc);
+	if (ret)
+		goto mode_fail;
+
+	return 0;
+
+mode_fail:
+	dwc3_event_buffers_cleanup(dwc);
+
+event_fail:
+	dwc3_core_exit(dwc);
+
+core_fail:
+	dwc3_free_event_buffers(dwc);
+
+	return ret;
+}
+
+void dwc3_remove(struct dwc3 *dwc)
+{
+	dwc3_core_exit_mode(dwc);
+	dwc3_event_buffers_cleanup(dwc);
+	dwc3_free_event_buffers(dwc);
+	dwc3_core_exit(dwc);
+	kfree(dwc->mem);
+}
+#endif