From: Dmitry Osipenko <digetx@gmail.com>
To: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Prashant Gaikwad <pgaikwad@nvidia.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Joseph Lo <josephl@nvidia.com>,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/4] dt-bindings: memory: Add binding for NVIDIA Tegra30 External Memory Controller
Date: Thu, 2 May 2019 03:06:24 +0300 [thread overview]
Message-ID: <137c766e-66f6-828a-5c3b-f526d66d37bd@gmail.com> (raw)
In-Reply-To: <20190429220542.GA17924@bogus>
30.04.2019 1:05, Rob Herring пишет:
> On Sun, Apr 14, 2019 at 11:20:07PM +0300, Dmitry Osipenko wrote:
>> Add device-tree binding for NVIDIA Tegra30 External Memory Controller.
>> The binding is based on the Tegra124 EMC binding since hardware is
>> similar, although there are couple significant differences.
>
> My comments on Tegra124 binding apply here.
The common timing definition doesn't fully match the definition that is
used by Tegra's Memory Controller, thus the DQS (data strobe) timing
parameter is comprised of multiple sub-parameters that describe how to
generate the strobe in hardware. There are also more additional
parameters that are specific to Tegra and they are individually
characterized for each memory model and clock rate. Hence the common
timing definition isn't usable.
next prev parent reply other threads:[~2019-05-02 0:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-14 20:20 [PATCH v2 0/4] memory: tegra: Introduce Tegra30 EMC driver Dmitry Osipenko
2019-04-14 20:20 ` [PATCH v2 1/4] clk: tegra20/30: Add custom EMC clock implementation Dmitry Osipenko
2019-04-25 19:07 ` Stephen Boyd
2019-04-25 21:42 ` Dmitry Osipenko
2019-04-25 22:25 ` Stephen Boyd
2019-04-26 0:03 ` Dmitry Osipenko
2019-04-26 0:41 ` Stephen Boyd
2019-04-26 2:22 ` Dmitry Osipenko
2019-04-14 20:20 ` [PATCH v2 2/4] dt-bindings: memory: Add binding for NVIDIA Tegra30 External Memory Controller Dmitry Osipenko
2019-04-29 22:05 ` Rob Herring
2019-05-02 0:06 ` Dmitry Osipenko [this message]
2019-05-02 0:17 ` Rob Herring
2019-05-02 0:52 ` Dmitry Osipenko
2019-05-02 1:39 ` Dmitry Osipenko
2019-05-16 14:55 ` Dmitry Osipenko
2019-04-14 20:20 ` [PATCH v2 3/4] memory: tegra: Introduce Tegra30 EMC driver Dmitry Osipenko
2019-04-14 20:20 ` [PATCH v2 4/4] ARM: dts: tegra30: Add External Memory Controller node Dmitry Osipenko
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