[PATCH 0/4] Fix up QUSB2 PHY description for MSM8996/SM61[12]5

[Dmitry Baryshkov]

On Wed, Jun 10, 2026 at 03:13:01PM +0200, Konrad Dybcio wrote:
> On 6/10/26 3:03 PM, Dmitry Baryshkov wrote:
> > On Wed, Jun 10, 2026 at 02:49:31PM +0200, Konrad Dybcio wrote:
> >> On 6/10/26 2:04 PM, Konrad Dybcio wrote:
> >>> The MSM8996 QUSB2PHY was not being guaranteed a power source.
> >>> The SM6125's QUSB2PHY was believed to be idential as the 96 one. It
> >>> wasn't. This series tackles that, freeing us of some dt checker
> >>> errors about vdd-supply not found on MSM8996 boards.
> >>>
> >>> Compile-tested only, but docs confirm my findings..
> >>>
> >>> Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
> >>> ---
> >>> Konrad Dybcio (4):
> >>>       dt-bindings: phy: qcom,qusb2: Straighten out SM6125 and MSM8996
> >>>       phy: qcom-qusb2: Fix SM6115 init sequence
> >>>       arm64: dts: qcom: msm8996: Add VDD_MX to QUSB2 PHYs
> >>>       arm64: dts: qcom: sm6125: Fix QUSB2 compatible
> >>>
> >>>  .../devicetree/bindings/phy/qcom,qusb2-phy.yaml    | 31 ++++++++++++++++++++--
> >>>  arch/arm64/boot/dts/qcom/msm8996.dtsi              | 10 +++++++
> >>>  arch/arm64/boot/dts/qcom/sm6125.dtsi               |  3 ++-
> >>>  drivers/phy/qualcomm/phy-qcom-qusb2.c              |  4 +--
> >>>  4 files changed, 43 insertions(+), 5 deletions(-)
> >>> ---
> >>
> >> Note that msm8996pro may need even more looking into, but that's a
> >> story for another day
> > 
> > JFYI, MSM8996 Pro is being used in the DRM / Mesa CI. If there is an
> > important difference, it would be nice to get it sorted out too.
> 
> reg   96   pro
> 0x80 0xF8  0xD0 [!] QUSB2PHY_PORT_TUNE1
> 0x84 0xB3  0xB3
> 0x88 0x83  0x83
> 0x8C 0xC0  0xC0
> 0x90 none  0x02 [!] QUSB2PHY_PORT_TUNE5
> 0x08 0x30  0x30
> 0x0C 0x79  0x79
> 0x10 0x21  0x21
> 0x9C 0x14  0x14
> 0x1C 0x9F  0x9F
> 0x18 0x00  0x00
> 
> apparently this is indeed SoC-specific (via docs) but also apparently
> may not be very important (although should be fixed regardless as
> some designs may rely on this)

Would you send a patch, please?

> 
> Konrad
> 
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-- 
With best wishes
Dmitry