From 23d6dd6c2ab6e177bc9ac19cb2bad9b8d120353c Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@nxp.com>
Date: Tue, 31 Mar 2020 16:10:02 +0800
Subject: [PATCH] usb: cdns3: core: get role switch node from firmware

After that, the role switch device (eg, Type-C device) could call
cdns3_role_set to finish the role switch.

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
---
 drivers/usb/cdns3/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 4aafba20f450..704c679a0c5d 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -528,6 +528,8 @@ static int cdns3_probe(struct platform_device *pdev)
 	sw_desc.get = cdns3_role_get;
 	sw_desc.allow_userspace_control = true;
 	sw_desc.driver_data = cdns;
+	if (device_property_read_bool(dev, "usb-role-switch"))
+		sw_desc.fwnode = dev->fwnode;
 
 	cdns->role_sw = usb_role_switch_register(dev, &sw_desc);
 	if (IS_ERR(cdns->role_sw)) {