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phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY

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Realtek DHC (digital home center) RTD SoCs support DWC3 XHCI USB
controller. Added the driver to drive the USB 3.0 PHY transceivers.

Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20230725033318.8361-3-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stanley Chang
2023-07-25 11:31:54 +08:00
committed by Greg Kroah-Hartman
parent 134e6d25f6
commit adda6e82a7
3 changed files with 778 additions and 0 deletions
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11
drivers/phy/realtek/Kconfig
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@@ -12,3 +12,14 @@ config PHY_RTK_RTD_USB2PHY
The DHC (digital home center) RTD series SoCs used the Synopsys
DWC3 USB IP. This driver will do the PHY initialization
of the parameters.
config PHY_RTK_RTD_USB3PHY
tristate "Realtek RTD USB3 PHY Transceiver Driver"
depends on USB_SUPPORT
select GENERIC_PHY
select USB_PHY
help
Enable this to support Realtek SoC USB3 phy transceiver.
The DHC (digital home center) RTD series SoCs used the Synopsys
DWC3 USB IP. This driver will do the PHY initialization
of the parameters.

1
drivers/phy/realtek/Makefile
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@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_PHY_RTK_RTD_USB2PHY) += phy-rtk-usb2.o
obj-$(CONFIG_PHY_RTK_RTD_USB3PHY) += phy-rtk-usb3.o

766
drivers/phy/realtek/phy-rtk-usb3.c Normal file
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