diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2022-01-05 08:14:07 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-26 13:58:59 +0100 |
| commit | a102f07e4edf0f1cf06bf9825ab10e26a29dd945 (patch) | |
| tree | ca8086b66226360e0cc498109eea4e076932a26f | |
| parent | 7bd42fb95eb4f98495ccadf467ad15124208ec49 (diff) | |
| download | linux-a102f07e4edf0f1cf06bf9825ab10e26a29dd945.tar.gz | |
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 <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220105071407.2240302-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/dwc3/drd.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index d7f76835137f..25f322e62d3f 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -9,6 +9,7 @@ #include <linux/extcon.h> #include <linux/of_graph.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/property.h> @@ -559,6 +560,18 @@ 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; } |