Re: [PATCH 3/6] phy: qcom: qmp-pcie: Add endpoint PHY configuration for QCS8300

From: Manivannan Sadhasivam

Date: Fri Sep 25 2026 - 11:32:43 EST


On Mon, Sep 21, 2026 at 04:28:14PM +0530, Krishna Chaitanya Chundru wrote:
> Monaco supports PCIe Endpoint mode on both PCIe controllers. Reuse
> the existing SA8775P Endpoint PHY programming for the 16 GT/s x2 PHY and
> add a new 16 GT/s x4 Endpoint PHY configuration with the required RX
> tuning parameters.
>

This sounds like the PHY init sequence only works for Endpoint mode. But the
sequence looks to be common for both RC and EP, even though it is only tested
with EP mode.

> This allows both Monaco PCIe controllers to operate reliably in
> Endpoint mode.
>
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>

- Mani

--
மணிவண்ணன் சதாசிவம்