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Re: [PATCH 2/3] dt-bindings: Add bindings for nvidia,tegra186-ccplex-cluster

From Mikko Perttunen <cyndis@kapsi.fi>
Newsgroups linux.kernel
Subject Re: [PATCH 2/3] dt-bindings: Add bindings for nvidia,tegra186-ccplex-cluster
Date 2017-04-03 17:20 +0200
Message-ID <tsbVU-7s-11@gated-at.bofh.it> (permalink)
References <ts9AK-6V6-9@gated-at.bofh.it> <ts9AK-6V6-13@gated-at.bofh.it> <tsb9w-80W-29@gated-at.bofh.it>
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On 04/03/2017 05:24 PM, Jon Hunter wrote:
>
> On 03/04/17 13:42, Mikko Perttunen wrote:
>> The Tegra186 CCPLEX_CLUSTER area contains memory-mapped
>> registers that initiate CPU frequency/voltage transitions.
>>
>> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
>> ---
>>  .../arm/tegra/nvidia,tegra186-ccplex-cluster.txt   | 22 ++++++++++++++++++++++
>>  1 file changed, 22 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-ccplex-cluster.txt
>>
>> diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-ccplex-cluster.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-ccplex-cluster.txt
>> new file mode 100644
>> index 000000000000..50cd615219e9
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-ccplex-cluster.txt
>> @@ -0,0 +1,22 @@
>> +NVIDIA Tegra CCPLEX_CLUSTER area
>> +
>> +Required properties:
>> +- compatible: Should contain one of the following:
>> +  - "nvidia,tegra186-ccplex-cluster": for Tegra186
>
> Nit pick ... any reason why we append 'cluster' here? The TRM just says
> the "CPU Complex" consists of two CPU clusters. So
> "nvidia,tegra186-cpu-complex" or "nvidia,tegra186-ccplex" seems fine.
>
> BTW, I do see references in the TRM to CCPLEX_CLUSTER0/1, but never
> CCPLEX_CLUSTER in reference to both. I think it is just CCPLEX AFAICT.

The reason was that the MMIO aperture is called "CCPLEX_CLUSTER" in the 
address map. But I agree it's not a very descriptive name.

>
> Cheers
> Jon
>

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Thread

[PATCH 1/3] cpufreq: Add Tegra186 cpufreq driver Mikko Perttunen <mperttunen@nvidia.com> - 2017-04-03 14:50 +0200
  [PATCH 2/3] dt-bindings: Add bindings for nvidia,tegra186-ccplex-cluster Mikko Perttunen <mperttunen@nvidia.com> - 2017-04-03 14:50 +0200
    Re: [PATCH 2/3] dt-bindings: Add bindings for  nvidia,tegra186-ccplex-cluster Thierry Reding <thierry.reding@gmail.com> - 2017-04-03 16:10 +0200
      Re: [PATCH 2/3] dt-bindings: Add bindings for  nvidia,tegra186-ccplex-cluster Mikko Perttunen <cyndis@kapsi.fi> - 2017-04-03 17:20 +0200
    Re: [PATCH 2/3] dt-bindings: Add bindings for  nvidia,tegra186-ccplex-cluster Jon Hunter <jonathanh@nvidia.com> - 2017-04-03 16:30 +0200
      Re: [PATCH 2/3] dt-bindings: Add bindings for  nvidia,tegra186-ccplex-cluster Mikko Perttunen <cyndis@kapsi.fi> - 2017-04-03 17:20 +0200
  [PATCH 3/3] arm64: tegra: Add CCPLEX_CLUSTER area in Tegra186 Mikko Perttunen <mperttunen@nvidia.com> - 2017-04-03 14:50 +0200
  Re: [PATCH 1/3] cpufreq: Add Tegra186 cpufreq driver Thierry Reding <thierry.reding@gmail.com> - 2017-04-03 16:50 +0200
    Re: [PATCH 1/3] cpufreq: Add Tegra186 cpufreq driver Mikko Perttunen <cyndis@kapsi.fi> - 2017-04-03 17:50 +0200

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