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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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 (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) Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy