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Revert older version of PCIe switch and bring latest version #668

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Revert older version of PCIe switch and bring latest version #668
krishnachaitanya-linux wants to merge 2 commits intoqualcomm-linux:tech/all/dt/qcs6490from
krishnachaitanya-linux:kodiak-rb3

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Bring latest version of the PCIe switch device tree changes.

…switch node"

This reverts commit c76e512.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Add a node for the TC9563 PCIe switch, which has three downstream ports.
Two embedded Ethernet devices are present on one of the downstream ports.
As all these ports are present in the node represent the downstream
ports and embedded endpoints.

Power to the TC9563 is supplied through two LDO regulators, controlled by
two GPIOs, which are added as fixed regulators. Configure the TC9563
through I2C.

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260105-tc9563-v1-1-642fd1fe7893@oss.qualcomm.com
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
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