Subject: Re: [PATCH net-next 12/12] arm64: dts: qcom: qcs6490-rb3gen2: enable TC9564 with a single QCS8081 phy

From: Mohd Ayaan Anwar <[email-masked]>
Date: Tue, 5 May 2026 22:12:26 +0530

Hi Alex,
On Fri, May 01, 2026 at 10:54:20AM -0500, Alex Elder wrote:
> From: Daniel Thompson <[email-masked]>
> 
> The QCS6490 RB3Gen2 includes a Toshiba TC9564 (a.k.a. Qualcomm QPS615).
> TC9564 is an twin Ethernet-AVB/TSN bridge with an integrated PCIe switch.
> 
> There are multiple builds of RB3Gen2 with components included/excluded.
> That means whether or not there is a phy attached to eMAC0 depends on
> the exact board. However all versions include a TC9564 combined with a
> single QCS8081 attached to eMAC1.
> 
> Add properties to the existing PCI nodes to describe how the TC9564 and
> QCS8081 are connected to each other (and to the host SoC).
> 
> (Note: "pci1179,0220" is documented in the "net/toshiba,tc956x-dwmac.yaml"
> binding, but checkpatch.pl doesn't recognize that.)
> 
> Co-developed-by: Alex Elder <[email-masked]>
> Signed-off-by: Alex Elder <[email-masked]>
> Signed-off-by: Daniel Thompson <[email-masked]>

There's a minor typo in the PHY name - QCS8081 instead of QCA8081.

	Ayaan