1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 45a6f0c807cb..ee0e520707dd 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1894,6 +1894,49 @@ void *typec_get_drvdata(struct typec_port *port)
 }
 EXPORT_SYMBOL_GPL(typec_get_drvdata);
 
+int typec_get_fw_cap(struct typec_capability *cap,
+		     struct fwnode_handle *fwnode)
+{
+	const char *cap_str;
+	int ret;
+
+	cap->fwnode = fwnode;
+
+	ret = fwnode_property_read_string(fwnode, "power-role", &cap_str);
+	if (ret < 0)
+		return ret;
+
+	ret = typec_find_port_power_role(cap_str);
+	if (ret < 0)
+		return ret;
+	cap->type = ret;
+
+	/* USB data support is optional */
+	ret = fwnode_property_read_string(fwnode, "data-role", &cap_str);
+	if (ret == 0) {
+		ret = typec_find_port_data_role(cap_str);
+		if (ret < 0)
+			return ret;
+		cap->data = ret;
+	}
+
+	/* Get the preferred power role for a DRP */
+	if (cap->type == TYPEC_PORT_DRP) {
+		cap->prefer_role = TYPEC_NO_PREFERRED_ROLE;
+
+		ret = fwnode_property_read_string(fwnode, "try-power-role", &cap_str);
+		if (ret == 0) {
+			ret = typec_find_power_role(cap_str);
+			if (ret < 0)
+				return ret;
+			cap->prefer_role = ret;
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(typec_get_fw_cap);
+
 /**
  * typec_port_register_altmode - Register USB Type-C Port Alternate Mode
  * @port: USB Type-C Port that supports the alternate mode