linux-kernel - [PATCH RESEND v3 0/3] usb: ChipIdea: add Nuvoton NPCM UDC support

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Date:   Mon, 2 Oct 2023 19:13:47 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     <peter.chen@...nel.org>, <gregkh@...uxfoundation.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <xu.yang_2@....com>, <peng.fan@....com>, <avifishman70@...il.com>,
        <tali.perry1@...il.com>, <joel@....id.au>, <venture@...gle.com>,
        <yuenn@...gle.com>, <benjaminfair@...gle.com>,
        <j.neuschaefer@....net>
CC:     <openbmc@...ts.ozlabs.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH RESEND v3 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:
 - Krzysztof Kozlowski : https://www.spinics.net/lists/kernel/msg4951321.html

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 |   4 +
 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, 128 insertions(+), 1 deletion(-)
 create mode 100644 drivers/usb/chipidea/ci_hdrc_npcm.c

-- 
2.33.0