usb: dwc3: core: add dt support for dwc3 core

[firefly-linux-kernel-4.4.55.git] / drivers / usb / dwc3 / core.c

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3a4004a620ad78bec1229d01c1dbaec04307d32d..804402510dea925c4ba062503a87e806b07feef4 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -420,13 +420,19 @@ static int dwc3_probe(struct platform_device *pdev)
                return -ENOMEM;
        }
 
-       dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
+       if (node) {
+               dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0);
+               dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1);
+       } else {
+               dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
+               dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
+       }
+
        if (IS_ERR_OR_NULL(dwc->usb2_phy)) {
                dev_err(dev, "no usb2 phy configured\n");
                return -EPROBE_DEFER;
        }
 
-       dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
        if (IS_ERR_OR_NULL(dwc->usb3_phy)) {
                dev_err(dev, "no usb3 phy configured\n");
                return -EPROBE_DEFER;
@@ -450,8 +456,7 @@ static int dwc3_probe(struct platform_device *pdev)
        else
                dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
 
-       if (of_get_property(node, "tx-fifo-resize", NULL))
-               dwc->needs_fifo_resize = true;
+       dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
 
        pm_runtime_enable(dev);
        pm_runtime_get_sync(dev);
@@ -580,11 +585,22 @@ static int dwc3_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id of_dwc3_match[] = {
+       {
+               .compatible = "synopsys,dwc3"
+       },
+       { },
+};
+MODULE_DEVICE_TABLE(of, of_dwc3_match);
+#endif
+
 static struct platform_driver dwc3_driver = {
        .probe          = dwc3_probe,
        .remove         = dwc3_remove,
        .driver         = {
                .name   = "dwc3",
+               .of_match_table = of_match_ptr(of_dwc3_match),
        },
 };