Merge branch 'master' of git://git.denx.de/u-boot-usb

- DWC3 and UDC cleanup

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c
index 303e166a69c..661cf61d62a 100644
--- a/drivers/core/syscon-uclass.c
+++ b/drivers/core/syscon-uclass.c
@@ -53,6 +53,29 @@ static int syscon_pre_probe(struct udevice *dev)
 #endif
 }
 
+struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
+					       const char *name)
+{
+	struct udevice *syscon;
+	struct regmap *r;
+	int err;
+
+	err = uclass_get_device_by_phandle(UCLASS_SYSCON, dev,
+					   name, &syscon);
+	if (err) {
+		dev_dbg(dev, "unable to find syscon device\n");
+		return ERR_PTR(err);
+	}
+
+	r = syscon_get_regmap(syscon);
+	if (!r) {
+		dev_dbg(dev, "unable to find regmap\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	return r;
+}
+
 int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp)
 {
 	struct udevice *dev;