linux-kernel - Re: [PATCH v2 44/48] ARM: tegra: Add OPP tables and power domains to Tegra30 device-tree

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Message-ID: <20201222091408.vvputqs27olywdxq@vireshk-i7>
Date:   Tue, 22 Dec 2020 14:44:08 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 44/48] ARM: tegra: Add OPP tables and power domains to
 Tegra30 device-tree

On 17-12-20, 21:06, Dmitry Osipenko wrote:
> diff --git a/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi b/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi
> index cbe84d25e726..983db1a06682 100644
> --- a/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi
> +++ b/arch/arm/boot/dts/tegra30-peripherals-opp.dtsi
> @@ -1,6 +1,56 @@
>  // SPDX-License-Identifier: GPL-2.0
>  
>  / {
> +	core_opp_table: core-power-domain-opp-table {
> +		compatible = "operating-points-v2";
> +		opp-shared;
> +
> +		core_opp_950: opp@...000 {
> +			opp-microvolt = <950000 950000 1350000>;
> +			opp-level = <950000>;

Perhaps you don't need to exactly copy the voltage value into the level field.
The level field can just be kept to 0, 1,2, 3, etc..

> +		};
> +
> +		core_opp_1000: opp@...0000 {
> +			opp-microvolt = <1000000 1000000 1350000>;
> +			opp-level = <1000000>;
> +		};
> +
> +		core_opp_1050: opp@...0000 {
> +			opp-microvolt = <1050000 1050000 1350000>;
> +			opp-level = <1050000>;
> +		};
> +
> +		core_opp_1100: opp@...0000 {
> +			opp-microvolt = <1100000 1100000 1350000>;
> +			opp-level = <1100000>;
> +		};
> +
> +		core_opp_1150: opp@...0000 {
> +			opp-microvolt = <1150000 1150000 1350000>;
> +			opp-level = <1150000>;
> +		};
> +
> +		core_opp_1200: opp@...0000 {
> +			opp-microvolt = <1200000 1200000 1350000>;
> +			opp-level = <1200000>;
> +		};
> +
> +		core_opp_1250: opp@...0000 {
> +			opp-microvolt = <1250000 1250000 1350000>;
> +			opp-level = <1250000>;
> +		};
> +
> +		core_opp_1300: opp@...0000 {
> +			opp-microvolt = <1300000 1300000 1350000>;
> +			opp-level = <1300000>;
> +		};
> +
> +		core_opp_1350: opp@...0000 {
> +			opp-microvolt = <1350000 1350000 1350000>;
> +			opp-level = <1350000>;
> +		};
> +	};

-- 
viresh