Re: [PATCH v2 1/3] dt-bindings: clock: qcom: Move x1e80100 TCSR to own binding
Rob Herring <[email protected]>
| Newsgroups | org.kernel.vger.linux-clk,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Aug 05, 2026 at 10:34:55PM -0700, Qiang Yu wrote: > The QREF block supplies reference clocks to PCIe/USB/UFS PHYs and > requires dedicated LDO supplies to operate. The digital control > interface for QREF (clkref_en registers) resides in TCSR on x1e80100. > Since QREF has no dedicated DT node of its own, these supply > properties are placed in the TCSR node which acts as the control > interface for QREF. > > These LDOs are required by QREF to provide a stable reference clock, > without which the USB/PCIe/eDP PHYs cannot work properly, so they are > marked required even though it breaks ABI. > > Add a dedicated binding file for qcom,x1e80100-tcsr and document the > supply properties. > > Signed-off-by: Qiang Yu <[email protected]> > --- > .../bindings/clock/qcom,sm8550-tcsr.yaml | 1 - > .../bindings/clock/qcom,x1e80100-tcsr.yaml | 118 +++++++++++++++++++++ > 2 files changed, 118 insertions(+), 1 deletion(-) sashiko issue needs to be addressed.