This series add support for rk3568 in dwc3-generic driver and change to use the dwc3-generic driver for rk3568 devices having usb enabled.
After these changes it should be possible to support usb gadget on rk3568 with e.g.:
# CONFIG_USB_FUNCTION_FASTBOOT is not set CONFIG_DM_USB_GADGET=y CONFIG_USB_GADGET=y
Patch 1 reverts addition of now unnecessary regulator-boot-on props. Patch 2 improve support for childless glue/ctrl dt node. Patch 3 relax a hard error when usb gadget support is not enabled. Patch 4 add support for the glue/ctrl dt node used by rk3568. Patch 5 change rk3568 devices to use dwc3-generic driver.
Changes in v5: - Drop device_is_compatible check - Collect r-b tag
Changes in v4: - Rebase on u-boot-rockchip/master and v2 of the series "rockchip: rk3568: Device Tree updates" - Add fixes tag - Update nanopi-r5c-rk3568 and nanopi-r5s-rk3568 - Collect r-b tag
Changes in v3: - Update debug message to include dr_mode (Marek Vasut) - Collect r-b tag
Changes in v2: - Change to use CONFIG_IS_ENABLED for USB_HOST - Refactor switch to if statements (Marek Vasut) - Update commit message - Collect r-b tag
This series is also available at [1]
[1] https://github.com/Kwiboo/u-boot-rockchip/commits/rk3568-dwc3-generic-v5
Jonas Karlman (5): Revert "arm: dts: rockchip: radxa-cm3-io, rock-3a: enable regulators for usb" usb: dwc3-generic: Return early when there is no child node usb: dwc3-generic: Relax unsupported dr_mode check usb: dwc3-generic: Add rk3568 support rockchip: rk3568: Use dwc3-generic driver
arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi | 4 -- arch/arm/dts/rk3568-rock-3a-u-boot.dtsi | 8 ---- configs/nanopi-r5c-rk3568_defconfig | 3 +- configs/nanopi-r5s-rk3568_defconfig | 3 +- configs/radxa-cm3-io-rk3566_defconfig | 2 +- configs/rock-3a-rk3568_defconfig | 2 +- drivers/usb/dwc3/dwc3-generic.c | 47 +++++++++++--------- 7 files changed, 29 insertions(+), 40 deletions(-)