Re: [PATCH v4 3/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch
Konrad Dybcio <[email protected]>
| Newsgroups | org.kernel.vger.linux-pm,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <[email protected]> |
On 7/28/26 9:06 AM, Krishna Chaitanya Chundru wrote: > The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563 > PCIe switch. Enable PCIe1 and its QMP PHY nodes. > > TC9563 uses I2C (at address 0x77 on I2C4) for its management interface. > > Override the base iommu-map with the expanded set covering all the > switch's downstream ports (0x1400-0x1408 SID range). > > The TC9563 RESX# and PERST# are OR-ed internally to assert reset on the > switch. Use TC9563 RESX# pin via a TLMM GPIO and skip wiring PERST# > from the PCIe controller. > > Signed-off-by: Krishna Chaitanya Chundru <[email protected]> > --- Reviewed-by: Konrad Dybcio <[email protected]> Konrad