linux-kernel - [RFC PATCH v2 0/2] phy: cadence: Add driver and dt-bindings for Sierra PHY

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Message-ID: <1536244870-23149-1-git-send-email-adouglas@cadence.com>
Date:   Thu, 6 Sep 2018 15:41:10 +0100
From:   Alan Douglas <adouglas@...ence.com>
To:     <kishon@...com>, <linux-kernel@...r.kernel.org>,
        <mark.rutland@....com>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>
CC:     Alan Douglas <adouglas@...ence.com>
Subject: [RFC PATCH v2 0/2] phy: cadence: Add driver and dt-bindings for Sierra PHY

The Cadence Sierra PHY supports a number of different protocols.  This
series adds a driver with support for USB3 and PCIe modes.

Only one clock frequency is currently supported, so the value of clock
provided in device tree is ignored.

Changes from v1:
* Each group of lanes is now treated as a subnode, and a generic PHY
  device is created for each group.
* General cleanup based on comments
* A reset is now required for each subnode.  The complete PHY block
  is taken out of reset at initial probe, and remains out of reset.
* Added a binding to allow for hardware configuration of PHY registers

Alan Douglas (2):
  dt-bindings: phy: Document cadence Sierra PHY bindings
  phy: cadence: Add driver for Sierra PHY

 .../devicetree/bindings/phy/cdns-sierra-phy.txt    |  65 ++++
 drivers/phy/Kconfig                                |   1 +
 drivers/phy/Makefile                               |   1 +
 drivers/phy/cadence/Kconfig                        |   9 +
 drivers/phy/cadence/Makefile                       |   2 +
 drivers/phy/cadence/cdns-sierra.c                  | 385 +++++++++++++++++++++
 6 files changed, 463 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/cdns-sierra-phy.txt
 create mode 100644 drivers/phy/cadence/Kconfig
 create mode 100644 drivers/phy/cadence/Makefile
 create mode 100644 drivers/phy/cadence/cdns-sierra.c

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1.9.0