From: Dinh Nguyen <dinguyen@xxxxxxxxxx> Update DWC2 kconfig and makefile to support dual-role mode. The platform file will always get compiled for the case where the controller is directly connected to the CPU. So for loadable modules, only dwc2.ko is needed. Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx> --- v2: Remove reference to dwc2_gadget --- drivers/usb/dwc2/Kconfig | 59 +++++++++++++++++++++++++-------------------- drivers/usb/dwc2/Makefile | 21 ++++++++-------- 2 files changed, 44 insertions(+), 36 deletions(-) diff --git a/drivers/usb/dwc2/Kconfig b/drivers/usb/dwc2/Kconfig index f93807b..3d69928 100644 --- a/drivers/usb/dwc2/Kconfig +++ b/drivers/usb/dwc2/Kconfig @@ -1,40 +1,29 @@ config USB_DWC2 - bool "DesignWare USB2 DRD Core Support" + tristate "DesignWare USB2 DRD Core Support" depends on USB help Say Y here if your system has a Dual Role Hi-Speed USB controller based on the DesignWare HSOTG IP Core. - For host mode, if you choose to build the driver as dynamically - linked modules, the core module will be called dwc2.ko, the PCI - bus interface module (if you have a PCI bus system) will be - called dwc2_pci.ko, and the platform interface module (for - controllers directly connected to the CPU) will be called - dwc2_platform.ko. For gadget mode, there will be a single - module called dwc2_gadget.ko. - - NOTE: The s3c-hsotg driver is now renamed to dwc2_gadget. The - host and gadget drivers are still currently separate drivers. - There are plans to merge the dwc2_gadget driver with the dwc2 - host driver in the near future to create a dual-role driver. + If you choose to build the driver as dynamically + linked modules, a single dwc2.ko(regardless of mode of operation) + will get built for both platform IPs and PCI. if USB_DWC2 +choice + bool "DWC2 Mode Selection" + default USB_DWC2_DUAL_ROLE if (USB && USB_GADGET) + default USB_DWC2_HOST if (USB && !USB_GADGET) + default USB_DWC2_PERIPHERAL if (!USB && USB_GADGET) + config USB_DWC2_HOST - tristate "Host only mode" + bool "Host only mode" depends on USB help The Designware USB2.0 high-speed host controller - integrated into many SoCs. - -config USB_DWC2_PLATFORM - bool "DWC2 Platform" - depends on USB_DWC2_HOST - default USB_DWC2_HOST - help - The Designware USB2.0 platform interface module for - controllers directly connected to the CPU. This is only - used for host mode. + integrated into many SoCs. Select this option if you want the + driver to operate in Host-only mode. config USB_DWC2_PCI bool "DWC2 PCI" @@ -47,11 +36,29 @@ config USB_DWC2_PCI comment "Gadget mode requires USB Gadget support to be enabled" config USB_DWC2_PERIPHERAL - tristate "Gadget only mode" + bool "Gadget only mode" depends on USB_GADGET help The Designware USB2.0 high-speed gadget controller - integrated into many SoCs. + integrated into many SoCs. Select this option if you want the + driver to operate in Peripheral-only mode. + +config USB_DWC2_DUAL_ROLE + bool "Dual Role mode" + depends on ((USB=y || USB=USB_DWC2) && (USB_GADGET=y)) + help + Select this option if you want the driver to work in a dual-role + mode. In this mode both host and gadget features are enabled, and + the role will be determined by the cable that gets plugged-in. +endchoice + +config USB_DWC2_PLATFORM + bool + depends on !PCI + default y + help + The Designware USB2.0 platform interface module for + controllers directly connected to the CPU. config USB_DWC2_DEBUG bool "Enable Debugging Messages" diff --git a/drivers/usb/dwc2/Makefile b/drivers/usb/dwc2/Makefile index b73d2a5..3026135 100644 --- a/drivers/usb/dwc2/Makefile +++ b/drivers/usb/dwc2/Makefile @@ -1,10 +1,17 @@ ccflags-$(CONFIG_USB_DWC2_DEBUG) += -DDEBUG ccflags-$(CONFIG_USB_DWC2_VERBOSE) += -DVERBOSE_DEBUG -obj-$(CONFIG_USB_DWC2_HOST) += dwc2.o +obj-$(CONFIG_USB_DWC2) += dwc2.o dwc2-y := core.o core_intr.o -dwc2-y += hcd.o hcd_intr.o -dwc2-y += hcd_queue.o hcd_ddma.o + +ifneq ($(filter y,$(CONFIG_USB_DWC2_HOST) $(CONFIG_USB_DWC2_DUAL_ROLE)),) + dwc2-y += hcd.o hcd_intr.o + dwc2-y += hcd_queue.o hcd_ddma.o +endif + +ifneq ($(filter y,$(CONFIG_USB_DWC2_PERIPHERAL) $(CONFIG_USB_DWC2_DUAL_ROLE)),) + dwc2-y += gadget.o +endif # NOTE: The previous s3c-hsotg peripheral mode only driver has been moved to # this location and renamed gadget.c. When building for dynamically linked @@ -19,10 +26,4 @@ ifneq ($(CONFIG_USB_DWC2_PCI),) dwc2_pci-y := pci.o endif -ifneq ($(CONFIG_USB_DWC2_PLATFORM),) - obj-$(CONFIG_USB_DWC2_HOST) += dwc2_platform.o - dwc2_platform-y := platform.o -endif - -obj-$(CONFIG_USB_DWC2_PERIPHERAL) += dwc2_gadget.o -dwc2_gadget-y := gadget.o +dwc2-$(CONFIG_USB_DWC2_PLATFORM) += platform.o -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
