From 9add5e5e1f7dd1e79eb0f7f7e32f1ab4851a9808 Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Wed, 5 Jan 2022 08:14:07 +0100 Subject: usb: dwc3: drd: Add support for usb-conn-gpio based usb-role-switch usb-conn-gpio devices are a subnode of the USB interface controller, which needs to be populated. This allows having a non-type-c connector providing dual-role. Signed-off-by: Alexander Stein Link: https://lore.kernel.org/r/20220105071407.2240302-1-alexander.stein@ew.tq-group.com Signed-off-by: Greg Kroah-Hartman Upstream-status: Backport [a102f07e4edf0f1cf06bf9825ab10e26a29dd945] --- drivers/usb/dwc3/drd.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index 6c82493f7df9..cb737c276583 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -9,6 +9,7 @@ #include #include +#include #include #include @@ -568,6 +569,18 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc) if (IS_ERR(dwc->role_sw)) return PTR_ERR(dwc->role_sw); + if (IS_ENABLED(CONFIG_OF)) { + /* populate connector entry */ + int ret = devm_of_platform_populate(dwc->dev); + + if (ret) { + usb_role_switch_unregister(dwc->role_sw); + dwc->role_sw = NULL; + dev_err(dwc->dev, "DWC3 platform devices creation failed: %i\n", ret); + return ret; + } + } + dwc3_set_mode(dwc, mode); return 0; } -- cgit v1.2.3