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misc: Port USB251xB/xBi Hi-Speed Hub Controller Driver from Linux

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This patch adds a driver for configuration of the Microchip USB251xB/xBi
USB 2.0 hub controller series with USB 2.0 upstream connectivity, SMBus
configuration interface and two to four USB 2.0 downstream ports.

This is ported from Linux as of Linux kernel commit
5c2b9c61ae5d8 ("usb: usb251xb: add boost-up property support")

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut
2022-04-10 06:27:14 +02:00
parent fe8e8af36c
commit 02544db9a7
3 changed files with 615 additions and 0 deletions
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drivers/misc/Makefile
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@@ -20,6 +20,7 @@ endif
ifdef CONFIG_$(SPL_)DM_I2C
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_SANDBOX) += i2c_eeprom_emul.o
obj-$(CONFIG_USB_HUB_USB251XB) += usb251xb.o
endif
endif
ifdef CONFIG_SPL_OF_PLATDATA