linux-kernel - [PATCH v4 0/7] UFS on APQ8098/MSM8998

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Date:   Fri, 8 Feb 2019 23:09:29 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     MSM <linux-arm-msm@...r.kernel.org>,
        SCSI <linux-scsi@...r.kernel.org>
Cc:     Jeffrey Hugo <jhugo@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Evan Green <evgreen@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        Rob Herring <robh+dt@...nel.org>,
        Kishon Vijay Abraham <kishon@...com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Martin Petersen <martin.petersen@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 0/7] UFS on APQ8098/MSM8998

Hello,

This series adds support for the UFS host controller on
APQ8098/MSM8998-based boards.

I CCed the regulator maintainers to discuss the revert in
patch 6. Basically, the original patch added a quirk which
forcefully disables vccq when the UFSHC is connected to a
Samsung or Hynix Flash chip. Problem is, this disabling
breaks init on my board, and Jeffrey's board as well.
Hence the revert, for which I don't see any adverse
consequences?

Differences between v3 and v4:
- Rebase on top of -next
- Pick up Douglas Anderson's UFSHC doc fix
- Document 8998 UFSHC binding
- Improve UFS PHY binding doc
- Put the UFS DT patch at the end of the series

Difference between v2 and v3:
- Add qcom,msm8998-qmp-ufs-phy compat string and match it in the PHY driver
- Drop vdd-hba-fixed-regulator
- Write the reg addresses with full 32-bit width
- Set regulator-allow-set-load only on the 3 rails used by UFS.
- Revert the patch introducing ufshcd_set_vccq_rail_unused

Difference between v1 and v2:
- New patch to add 'regulator-allow-set-load' prop to all vreg nodes
- Rename rpmcc node to 'clock-controller' + Add Review tags
- Drop UFS pinctrl gymnastics (not required, probably left enabled in bootloader)
- Delete GCC_UFS_ICE_CORE_CLK (ICE not used upstream, I think)
- Fix sizes of ufsphy register areas based on Jeffrey's feedback
- Hack ufshcd_set_vccq_rail_unused into a NOP to work around lock up + reboot

Douglas Anderson (1):
  dt-bindings: ufs: Fix the compatible string definition

Marc Gonzalez (6):
  dt-bindings: ufs: Add msm8998 compatible string
  dt-bindings: phy-qcom-qmp: Add qcom,msm8998-qmp-ufs-phy
  phy: qcom-qmp: Add QMP UFS PHY support for msm8998
  arm64: dts: qcom: msm8998: Allow drivers to set-load
  Revert "scsi: ufs: disable vccq if it's not needed by UFS device"
  arm64: dts: qcom: msm8998: Add UFS nodes

 .../devicetree/bindings/phy/qcom-qmp-phy.txt  |  4 ++
 .../devicetree/bindings/ufs/ufshcd-pltfrm.txt | 14 +++--
 arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi     | 22 +++++++
 arch/arm64/boot/dts/qcom/msm8998.dtsi         | 62 +++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.c           |  3 +
 drivers/scsi/ufs/ufs.h                        |  1 -
 drivers/scsi/ufs/ufshcd.c                     | 59 ++----------------
 7 files changed, 104 insertions(+), 61 deletions(-)

-- 
2.17.1