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extcon: add Realtek DHC RTD SoC Type-C driver

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This patch adds the extcon driver for Realtek DHC (digital home center)
RTD SoCs type-c module. This can be used to detect whether the port is
configured as a downstream or upstream facing port. And notify the status
of extcon to listeners.

Link: https://lore.kernel.org/lkml/20230904051253.23208-2-stanley_chang@realtek.com/
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Stanley Chang 2023-09-04 13:12:47 +08:00 committed by Chanwoo Choi
parent 8a749fd1a8
commit 8a590d7371
3 changed files with 1804 additions and 0 deletions
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11
drivers/extcon/Kconfig
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@ -191,4 +191,15 @@ config EXTCON_USBC_TUSB320
Say Y here to enable support for USB Type C cable detection extcon
support using a TUSB320.
config EXTCON_RTK_TYPE_C
tristate "Realtek RTD SoC extcon Type-C Driver"
depends on ARCH_REALTEK || COMPILE_TEST
depends on TYPEC
select USB_COMMON
help
Say Y here to enable extcon support for USB Type C cable detection
when using the Realtek RTD SoC USB Type-C port.
The DHC (Digital Home Hub) RTD series SoC contains a type c module.
This driver will detect the status of the type-c port.
endif

1
drivers/extcon/Makefile
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@ -25,3 +25,4 @@ obj-$(CONFIG_EXTCON_SM5502) += extcon-sm5502.o
obj-$(CONFIG_EXTCON_USB_GPIO) += extcon-usb-gpio.o
obj-$(CONFIG_EXTCON_USBC_CROS_EC) += extcon-usbc-cros-ec.o
obj-$(CONFIG_EXTCON_USBC_TUSB320) += extcon-usbc-tusb320.o
obj-$(CONFIG_EXTCON_RTK_TYPE_C) += extcon-rtk-type-c.o

1792
drivers/extcon/extcon-rtk-type-c.c Normal file
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