2023-09-27 15:35:36

by Tomer Maimon

[permalink] [raw]
Subject: [PATCH v2 0/3] usb: ChipIdea: add Nuvoton NPCM UDC support

This patch set add USB device controller for the NPCM Baseboard
Management Controllers (BMC).

NPCM UDC driver is a part of the USB ChipIdea driver.

Adding CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag to modify the vbus_active
parameter to active in case the ChipIdea USB IP role is device-only and
there is no otgsc register.

BMC NPCM7XX and BMC NPCM8XX has ten identical NPCM UDC modules,

The NPCM UDC were tested on NPCM845 evaluation board.

Addressed comments from:
- Rob Herring : https://www.spinics.net/lists/linux-usb/msg246811.html
- Krzysztof Kozlowski : https://www.spinics.net/lists/linux-usb/msg246773.html
- kernel test robot : https://www.spinics.net/lists/devicetree/msg634160.html
- Jonathan Neuschäfer : https://www.spinics.net/lists/linux-usb/msg246790.html

Changes since version 1:
- Add SoC specific compatible.
- Remove USB phy mux property from dt-binding, will be handled differently.
- Add CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS commit to this patch set.

Tomer Maimon (3):
usb: chipidea: add CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag
dt-bindings: usb: ci-hdrc-usb2: add npcm750 and npcm845 compatible
usb: chipidea: Add support for NPCM

.../devicetree/bindings/usb/ci-hdrc-usb2.yaml | 4 +
drivers/usb/chipidea/Kconfig | 4 +
drivers/usb/chipidea/Makefile | 1 +
drivers/usb/chipidea/ci_hdrc_npcm.c | 117 ++++++++++++++++++
drivers/usb/chipidea/otg.c | 5 +-
include/linux/usb/chipidea.h | 1 +
6 files changed, 131 insertions(+), 1 deletion(-)
create mode 100644 drivers/usb/chipidea/ci_hdrc_npcm.c

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2.33.0