linux-kernel - Re: [PATCH v6 25/52] ARM: tegra: Add DVFS properties to Tegra20 EMC device-tree node

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Date:   Tue, 27 Oct 2020 10:18:05 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Mikko Perttunen <cyndis@...si.fi>,
        Viresh Kumar <vireshk@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v6 25/52] ARM: tegra: Add DVFS properties to Tegra20 EMC
 device-tree node

On Mon, Oct 26, 2020 at 01:17:08AM +0300, Dmitry Osipenko wrote:
> Add EMC OPP DVFS/DFS tables and emc-stats subdev that will be used for
> dynamic memory bandwidth scaling, while EMC itself will perform voltage
> scaling. Update board device-trees with optional EMC core supply and
> remove unsupported OPPs.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  .../boot/dts/tegra20-acer-a500-picasso.dts    |  12 ++
>  arch/arm/boot/dts/tegra20-colibri.dtsi        |   8 +
>  arch/arm/boot/dts/tegra20-paz00.dts           |  10 +
>  .../arm/boot/dts/tegra20-peripherals-opp.dtsi | 181 ++++++++++++++++++
>  arch/arm/boot/dts/tegra20.dtsi                |  12 +-
>  5 files changed, 222 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/tegra20-peripherals-opp.dtsi
> 
> diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
> index a0b829738e8f..f5c1591c8ea8 100644
> --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
> +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
> @@ -1058,9 +1058,21 @@ map0 {
>  		};
>  	};
>  
> +	emc_opp_table0 {

All node names with hyphens -. Not underscores.

Best regards,
Krzysztof