linux-kernel - [PATCH v6 0/3] usb: misc: onboard_usb_hub: add support for Cypress HX3 USB 3.0 family

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Message-Id: <20230620-hx3-v6-0-6a1d6f8ce689@skidata.com>
Date:   Fri, 23 Jun 2023 08:20:35 +0200
From:   Benjamin Bara <bbara93@...il.com>
To:     Matthias Kaehlcke <mka@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Benjamin Bara <benjamin.bara@...data.com>
Cc:     Alexander Stein <alexander.stein@...tq-group.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: [PATCH v6 0/3] usb: misc: onboard_usb_hub: add support for Cypress
 HX3 USB 3.0 family

Hi!

This series adds support for the Cypress HX3 USB 3.0 family (2/3). For
now, it just contains the USB-related aspects and ignores the option to
connect it via i2c (3/3).

As the HX3 family operates with two power supplies, multiple power
supply support is implemented (1/3).

Thanks & best regards,
Benjamin

---
Changes in v6:
- 1/3: %d -> %ld (thanks to lkp) 
- Link to v5: https://lore.kernel.org/r/20230620-hx3-v5-0-319c9c4c846f@skidata.com

Changes in v5:
- 1/3: use ARRAY_SIZE(supply_names) for MAX_SUPPLIES (thanks to Alex)
- Link to v4: https://lore.kernel.org/r/20230620-hx3-v4-0-e56b3c6db60b@skidata.com

Changes in v4:
- 1/3: set num_supplies=1 for the existing hubs
- 1/3: drop duplicate num_supplies in onboard_hub struct
- 1/3: clarify connection between supply_names and MAX_SUPPLIES
- Link to v3: https://lore.kernel.org/r/20230620-hx3-v3-0-2acbc03ca949@skidata.com

Changes in v3:
- 1/3: fix nits mentioned by Matthias
- Link to v2: https://lore.kernel.org/r/20230620-hx3-v2-0-76a53434c713@skidata.com

Changes in v2:
- don't re-order by VID/PID (thanks to Matthias)
- 1/3: replace (err != 0) with (err)
- Link to v1: https://lore.kernel.org/r/20230620-hx3-v1-0-3a649b34c85b@skidata.com

---
Benjamin Bara (3):
      usb: misc: onboard-hub: support multiple power supplies
      usb: misc: onboard-hub: add support for Cypress HX3 USB 3.0 family
      dt-bindings: usb: Add binding for Cypress HX3 USB 3.0 family

 .../devicetree/bindings/usb/cypress,hx3.yaml       | 77 ++++++++++++++++++++++
 drivers/usb/misc/onboard_usb_hub.c                 | 40 ++++++++---
 drivers/usb/misc/onboard_usb_hub.h                 | 14 ++++
 3 files changed, 123 insertions(+), 8 deletions(-)
---
base-commit: 45a3e24f65e90a047bef86f927ebdc4c710edaa1
change-id: 20230620-hx3-cb935b4fdd76

Best regards,
-- 
Benjamin Bara <benjamin.bara@...data.com>