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usb: gadget: add udc driver for max3420
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The MAX3420 is USB2.0 only, UDC-over-SPI controller. This driver
also supports the peripheral mode of MAX3421.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Jassi Brar authored and Felipe Balbi committed Mar 15, 2020
1 parent a45fdbe commit 48ba02b
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10 changes: 10 additions & 0 deletions drivers/usb/gadget/udc/Kconfig
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Expand Up @@ -441,6 +441,16 @@ config USB_GADGET_XILINX
dynamically linked module called "udc-xilinx" and force all
gadget drivers to also be dynamically linked.

config USB_MAX3420_UDC
tristate "MAX3420 (USB-over-SPI) support"
depends on SPI
help
The Maxim MAX3420 chip supports USB2.0 full-speed peripheral mode.
The MAX3420 is run by SPI interface, and hence the dependency.

To compile this driver as a module, choose M here: the module will
be called max3420_udc

config USB_TEGRA_XUDC
tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
depends on ARCH_TEGRA || COMPILE_TEST
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1 change: 1 addition & 0 deletions drivers/usb/gadget/udc/Makefile
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Expand Up @@ -42,3 +42,4 @@ obj-$(CONFIG_USB_GADGET_XILINX) += udc-xilinx.o
obj-$(CONFIG_USB_SNP_UDC_PLAT) += snps_udc_plat.o
obj-$(CONFIG_USB_ASPEED_VHUB) += aspeed-vhub/
obj-$(CONFIG_USB_BDC_UDC) += bdc/
obj-$(CONFIG_USB_MAX3420_UDC) += max3420_udc.o
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