linux-kernel - [PATCH v3 0/2] USB SS PHY for Qualcomm's QCS404

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Date:   Wed, 30 Jan 2019 19:50:29 +0100
From:   Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
To:     jorge.ramirez-ortiz@...aro.org, bjorn.andersson@...aro.org,
        gregkh@...uxfoundation.org, mark.rutland@....com, kishon@...com,
        jackp@...eaurora.org, andy.gross@...aro.org, swboyd@...omium.org
Cc:     shawn.guo@...aro.org, vkoul@...nel.org, khasim.mohammed@...aro.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/2] USB SS PHY for Qualcomm's QCS404

This set adds USB SS PHY support to Qualcomm's QCS404 SoC
The PHY is implemented using Synopsys' SS PHY IP

The code is losely based on Sriharsha Allenki's
<sallenki@...eaurora.org> original implementation.

v2:
  enable OTG mode detection
  move vdd voltage levels to driver
  use bulk_ control interfaces
  ss-phy-bindings [1]

v3:
  remove clk/regulator counters
  vdd constrains in device tree
  update error labels
  fix get_optional vbus
  allocate arrays statically
  fix typos in bindings

[1] ss-phy-binding discussion:
 - qcom,dwc3-ss-usb-phy exist for a generic usb2/usb3 phy driver that
 was never merged. Rather than trying to re-use these bindings (or
 delete them) I  propose that we go ahead with the new separate
 bindings for HS and SS: if  not now - investigation  in progress- in
 the  future  it might be  possible to have again a common phy driver
 for  which these old  bindings would be the binding agreement. 


Jorge Ramirez-Ortiz (2):
  dt-bindings: Add Qualcomm USB SuperSpeed PHY bindings
  phy: qualcomm: usb: Add SuperSpeed PHY driver

 .../bindings/usb/qcom,usb-ssphy.txt           |  74 ++++
 drivers/phy/qualcomm/Kconfig                  |  11 +
 drivers/phy/qualcomm/Makefile                 |   1 +
 drivers/phy/qualcomm/phy-qcom-usb-ss.c        | 328 ++++++++++++++++++
 4 files changed, 414 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt
 create mode 100644 drivers/phy/qualcomm/phy-qcom-usb-ss.c

-- 
2.20.1