Re: [PATCH 2/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch
From: Krishna Chaitanya Chundru
Date: Mon Jul 06 2026 - 01:22:47 EST
On 7/3/2026 8:39 PM, Konrad Dybcio wrote:
> On 7/3/26 2:38 PM, 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 <krishna.chundru@xxxxxxxxxxxxxxxx>
>> ---
> [...]
>
>> +&pcie1 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pcie1_default_state>;
> flipped order
>
> [...]
>
>> +&pcie1port0 {
> This port should also get the compatible
for pcie1 it is not required, only for m.2 connector we need the compatible.
- Krishna Chaitanya.
> Konrad