From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Mikko Perttunen <mperttunen@nvidia.com>,
Georgi Djakov <georgi.djakov@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v1 02/29] dt-bindings: memory: tegra20: emc: Document new interconnect property
Date: Tue, 19 Nov 2019 19:57:22 +0300 [thread overview]
Message-ID: <bbe612b6-fc07-fb7f-0f13-bca2c0864d73@gmail.com> (raw)
In-Reply-To: <20191119062156.GB2462695@ulmo>
19.11.2019 09:21, Thierry Reding пишет:
> On Mon, Nov 18, 2019 at 11:02:20PM +0300, Dmitry Osipenko wrote:
>> External memory controller is interconnected with memory controller and
>> with external memory. Document new interconnect property which designates
>> external memory controller as interconnect provider.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>> ---
>> .../bindings/memory-controllers/nvidia,tegra20-emc.txt | 4 ++++
>> 1 file changed, 4 insertions(+)
>
> Do we really want to describe this particular connection? It's pretty
> static and the only real connection here is the EMC frequency, so the
> whole interconnect infrastructure seems a bit overkill.
>
> Sounds to me like we could piggyback on top of the existing
> nvidia,memory-controller property of the EMC to make the connection.
Ultimately each memory client talks to EMEM through MC and EMC, although
it should be okay to ignore the EMEM from a driver's / software perspective.
[snip]
next prev parent reply other threads:[~2019-11-19 16:57 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-18 20:02 [PATCH v1 00/29] Introduce memory interconnect for NVIDIA Tegra SoCs Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 01/29] dt-bindings: memory: tegra20: mc: Document new interconnect property Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 02/29] dt-bindings: memory: tegra20: emc: " Dmitry Osipenko
2019-11-19 6:21 ` Thierry Reding
2019-11-19 16:57 ` Dmitry Osipenko [this message]
2019-11-18 20:02 ` [PATCH v1 03/29] dt-bindings: memory: tegra30: mc: " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 04/29] dt-bindings: memory: tegra30: emc: " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 05/29] dt-bindings: memory: tegra124: mc: " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 06/29] dt-bindings: memory: tegra124: emc: " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 07/29] dt-bindings: host1x: Document new interconnect properties Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 08/29] dt-bindings: interconnect: tegra: Add initial IDs Dmitry Osipenko
2019-11-19 6:25 ` Thierry Reding
2019-11-19 16:56 ` Dmitry Osipenko
2019-11-21 17:14 ` Dmitry Osipenko
2019-11-25 11:32 ` Thierry Reding
2019-11-28 20:06 ` Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 09/29] ARM: tegra: Add interconnect properties to Tegra20 device-tree Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 10/29] ARM: tegra: Add interconnect properties to Tegra30 device-tree Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 11/29] ARM: tegra: Add interconnect properties to Tegra124 device-tree Dmitry Osipenko
2019-11-19 6:27 ` Thierry Reding
2019-11-18 20:02 ` [PATCH v1 12/29] interconnect: Add memory interconnection providers for NVIDIA Tegra SoCs Dmitry Osipenko
2019-11-19 6:30 ` Thierry Reding
2019-11-19 16:58 ` Dmitry Osipenko
2019-11-21 17:33 ` Dmitry Osipenko
2019-11-19 6:31 ` Thierry Reding
2019-11-19 16:59 ` Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 13/29] memory: tegra: Register as interconnect provider Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 14/29] memory: tegra: Add interconnect nodes for Terga20 display controllers Dmitry Osipenko
2019-11-19 6:34 ` Thierry Reding
2019-11-18 20:02 ` [PATCH v1 15/29] memory: tegra: Add interconnect nodes for Terga30 " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 16/29] memory: tegra: Add interconnect nodes for Terga124 " Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 17/29] memory: tegra20-emc: Use devm_platform_ioremap_resource Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 18/29] memory: tegra20-emc: Continue probing if timings/IRQ are missing in device-tree Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 19/29] memory: tegra20-emc: Register as interconnect provider Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 20/29] memory: tegra30-emc: Continue probing if timings are missing in device-tree Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 21/29] memory: tegra30-emc: Register as interconnect provider Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 22/29] memory: tegra124-emc: Use devm_platform_ioremap_resource Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 23/29] memory: tegra124-emc: Register as interconnect provider Dmitry Osipenko
2019-11-19 16:57 ` Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 24/29] drm/tegra: dc: Use devm_platform_ioremap_resource Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 25/29] drm/tegra: dc: Release PM and RGB output when client's registration fails Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 26/29] drm/tegra: dc: Support memory bandwidth management Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 27/29] ARM: tegra: Enable interconnect API in tegra_defconfig Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 28/29] ARM: multi_v7_defconfig: Enable NVIDIA Tegra interconnect providers Dmitry Osipenko
2019-11-18 20:02 ` [PATCH v1 29/29] MAINTAINERS: Add maintainers for NVIDIA Tegra interconnect drivers Dmitry Osipenko
2019-11-19 6:19 ` [PATCH v1 00/29] Introduce memory interconnect for NVIDIA Tegra SoCs Thierry Reding
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