RK3568 share glue and ctrl in a single node. Use glue_get_ctrl_dev to
return the glue node as the ctrl node.

Signed-off-by: Jonas Karlman <jo...@kwiboo.se>
Reviewed-by: Jagan Teki <ja...@amarulasolutions.com>
---
v4:
- No change
v3:
- No change
v2:
- No change
- Collect r-b tag

 drivers/usb/dwc3/dwc3-generic.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index 2331ac453132..f6d087722c9f 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -405,6 +405,22 @@ struct dwc3_glue_ops ti_ops = {
        .glue_configure = dwc3_ti_glue_configure,
 };
 
+static int dwc3_rk_glue_get_ctrl_dev(struct udevice *dev, ofnode *node)
+{
+       if (!device_is_compatible(dev, "snps,dwc3"))
+               return -EINVAL;
+
+       *node = dev_ofnode(dev);
+       if (!ofnode_valid(*node))
+               return -EINVAL;
+
+       return 0;
+}
+
+struct dwc3_glue_ops rk_ops = {
+       .glue_get_ctrl_dev = dwc3_rk_glue_get_ctrl_dev,
+};
+
 static int dwc3_glue_bind_common(struct udevice *parent, ofnode node)
 {
        const char *name = ofnode_get_name(node);
@@ -596,6 +612,7 @@ static const struct udevice_id dwc3_glue_ids[] = {
        { .compatible = "ti,am654-dwc3" },
        { .compatible = "rockchip,rk3328-dwc3" },
        { .compatible = "rockchip,rk3399-dwc3" },
+       { .compatible = "rockchip,rk3568-dwc3", .data = (ulong)&rk_ops },
        { .compatible = "qcom,dwc3" },
        { .compatible = "fsl,imx8mp-dwc3", .data = (ulong)&imx8mp_ops },
        { .compatible = "fsl,imx8mq-dwc3" },
-- 
2.41.0

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