[v5,0/3] usb: ChipIdea: add Nuvoton NPCM UDC support

Message ID	20231005192529.162785-1-tmaimon77@gmail.com
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Series	usb: ChipIdea: add Nuvoton NPCM UDC support \| expand [v5,0/3] usb: ChipIdea: add Nuvoton NPCM UDC support [v5,1/3] usb: chipidea: add CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag [v5,2/3] dt-bindings: usb: ci-hdrc-usb2: add npcm750 and npcm845 compatible [v5,3/3] usb: chipidea: Add support for NPCM

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From: Tomer Maimon <tmaimon77@gmail.com>
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Subject: [PATCH v5 0/3] usb: ChipIdea: add Nuvoton NPCM UDC support
Date: Thu, 5 Oct 2023 22:25:26 +0300
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Series

usb: ChipIdea: add Nuvoton NPCM UDC support | expand

Message

Tomer Maimon Oct. 5, 2023, 7:25 p.m. UTC

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:
 - Krzysztof Kozlowski : https://www.spinics.net/lists/devicetree/msg638451.html

Changes since version 4:
 - Modify npcm845-udc compatible.

Changes since version 3:
 - Add Acked-by Peter Chen.
 
Changes since version 2:
 - Use dev_err_probe.
 - Remove MODULE_ALIAS.

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 |   7 ++
 drivers/usb/chipidea/Kconfig                  |   4 +
 drivers/usb/chipidea/Makefile                 |   1 +
 drivers/usb/chipidea/ci_hdrc_npcm.c           | 114 ++++++++++++++++++
 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