linux-kernel - Re: [PATCH v2 1/3] dt-bindings: phy: cadence-torrent: Add latency properties

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Message-ID: <20230427183040.GA263395@bhelgaas>
Date:   Thu, 27 Apr 2023 13:30:40 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Dominic Rath <rath@...-augsburg.de>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        tjoseph@...ence.com, bhelgaas@...gle.com, lpieralisi@...nel.org,
        nm@...com, vigneshr@...com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        christian.gmeiner@...il.com, bahle@...-augsburg.de
Subject: Re: [PATCH v2 1/3] dt-bindings: phy: cadence-torrent: Add latency
 properties

On Thu, Apr 27, 2023 at 07:50:30AM +0200, Dominic Rath wrote:
> From: Alexander Bahle <bahle@...-augsburg.de>
> 
> Add "tx-phy-latency-ps" and "rx-phy-latency-ps" DT bindings for
> setting the PCIe PHY latencies.
> The properties expect a list of uint32 PHY latencies in picoseconds for
> every supported speed starting at PCIe Gen1, e.g.:
> 
>   tx-phy-latency-ps = <100000 200000>; /* Gen1: 100ns, Gen2: 200ns */
>   rx-phy-latency-ps = <150000 250000>; /* Gen1: 150ns, Gen2: 250ns */

Are these things that could/should be described in a more generic
place?  They don't look necessarily Cadence-specific.

Bjorn