linux-kernel - [PATCH v3 0/2] Introduce STM32 USB PHY Controller driver

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Message-ID: <1520002585-13113-1-git-send-email-amelie.delaunay@st.com>
Date:   Fri, 2 Mar 2018 15:56:23 +0100
From:   Amelie Delaunay <amelie.delaunay@...com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Amelie Delaunay <amelie.delaunay@...com>
Subject: [PATCH v3 0/2] Introduce STM32 USB PHY Controller driver

This patchset adds support for STMicroelectronics STM32 USB PHY Controller
(USBPHYC) which is embedded in STM32MP1 SoC.
The STM32 USBPHYC block contains a dual port High Speed UTMI+ PHY and a UTMI
switch that selects either USB OTG controller or USB Host controller for the
second PHY port.

---
Changes in v3:
* Address Kishon comments: move to phy provider + child phy sub-nodes model.
* Remove st,utmi-switch property as the information is now passed through
  phy cell for port#2.
* Rework phy init/exit by extracting pll management in dedicated functions.
* Make some clean-up around variable names and defines.

Changes in v2:
* Update diagram to better describe the context.
* Change boolean dt propery st,port2-switch-to-host into u32 st,utmi-switch.
* Silent phy creation failure in case of -EPROBE_DEFER.

Amelie Delaunay (2):
  dt-bindings: phy: add support for STM32 USB PHY Controller (USBPHYC)
  phy: stm32: add support for STM32 USB PHY Controller (USBPHYC)

 .../devicetree/bindings/phy/phy-stm32-usbphyc.txt  |  73 ++++
 drivers/phy/st/Kconfig                             |  14 +
 drivers/phy/st/Makefile                            |   1 +
 drivers/phy/st/phy-stm32-usbphyc.c                 | 461 +++++++++++++++++++++
 4 files changed, 549 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.txt
 create mode 100644 drivers/phy/st/phy-stm32-usbphyc.c

-- 
2.7.4