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

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Message-ID: <87a034c6-ed81-4656-9593-b5708e65edb1@nvidia.com>
Date:   Mon, 3 Apr 2017 15:24:30 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Mikko Perttunen <mperttunen@...dia.com>, <rjw@...ysocki.net>,
        <viresh.kumar@...aro.org>, <thierry.reding@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 2/3] dt-bindings: Add bindings for
 nvidia,tegra186-ccplex-cluster


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@...dia.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.

Cheers
Jon

-- 
nvpublic