From: Christian Gmeiner <christian.gmeiner@gmail.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Dominic Rath <rath@ibv-augsburg.de>,
robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
tjoseph@cadence.com, bhelgaas@google.com, lpieralisi@kernel.org,
nm@ti.com, vigneshr@ti.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
bahle@ibv-augsburg.de
Subject: Re: [PATCH v2 1/3] dt-bindings: phy: cadence-torrent: Add latency properties
Date: Tue, 9 May 2023 17:31:19 +0200 [thread overview]
Message-ID: <CAH9NwWeJMnBTTOk-PG_5U-t5aLFEAWC+or9-FJYKSGbbHoH_YA@mail.gmail.com> (raw)
In-Reply-To: <20230427183040.GA263395@bhelgaas>
Hi Bjorn,
>
> On Thu, Apr 27, 2023 at 07:50:30AM +0200, Dominic Rath wrote:
> > From: Alexander Bahle <bahle@ibv-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.
>
As there is currently no generic binding, would you like to see a new
yaml binding
added (Documentation/devicetree/bindings/phy/phy.yaml) that contains just the
two phy properties?
--
greets
--
Christian Gmeiner, MSc
https://christian-gmeiner.info/privacypolicy
next prev parent reply other threads:[~2023-05-09 15:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230427055032.85015-1-rath@ibv-augsburg.de>
2023-04-27 5:50 ` [PATCH v2 2/3] PCI: cadence: Use DT bindings to set PHY latencies Dominic Rath
2023-05-04 11:33 ` Verma, Achal
2023-05-30 8:20 ` Christian Gmeiner
2023-04-27 5:50 ` [PATCH v2 3/3] arm64: dts: ti: k3-am64: Add PCIe PHY latency DT binding Dominic Rath
2023-05-09 15:27 ` Christian Gmeiner
[not found] ` <20230427055032.85015-2-rath@ibv-augsburg.de>
2023-04-27 18:30 ` [PATCH v2 1/3] dt-bindings: phy: cadence-torrent: Add latency properties Bjorn Helgaas
2023-05-09 15:31 ` Christian Gmeiner [this message]
2023-05-09 21:57 ` Bjorn Helgaas
2023-05-10 7:08 ` Krzysztof Kozlowski
2023-05-10 21:12 ` Bjorn Helgaas
2023-05-30 8:19 ` Christian Gmeiner
2023-05-30 8:21 ` [PATCH v2 0/3] Cadence PCIe PHY latency for PTM Christian Gmeiner
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