linux-kernel - Re: [PATCH v2 2/4] ARM: dts: pxa: add pxa25x cpu operating points

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Message-ID: <20161018113944.GC11471@vireshk-i7>
Date:   Tue, 18 Oct 2016 17:09:44 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Rafael Wysocki <rjw@...ysocki.net>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 2/4] ARM: dts: pxa: add pxa25x cpu operating points

On 15-10-16, 21:57, Robert Jarzmik wrote:
> Add the relevant data taken from the PXA 25x Electrical, Mechanical, and
> Thermal Specfication. This will be input data for cpufreq-dt driver.
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
> ---
>  arch/arm/boot/dts/pxa25x.dtsi | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/pxa25x.dtsi b/arch/arm/boot/dts/pxa25x.dtsi
> index 0d1e012178c4..16b4e8bad4a5 100644
> --- a/arch/arm/boot/dts/pxa25x.dtsi
> +++ b/arch/arm/boot/dts/pxa25x.dtsi
> @@ -89,4 +89,29 @@
>  		clocks = <&clktimer>;
>  		status = "okay";
>  	};
> +
> +	pxa250_opp_table: opp_table0 {
> +		compatible = "operating-points-v2";
> +
> +		opp@...00 {

We have been keeping the values in ^^^ same as the values present
below. Any specific reason for making it different here ?

> +			opp-hz = /bits/ 64 <99532800>;
> +			opp-microvolt = <950000 1000000 1650000>;
> +			clock-latency-ns = <20>;
> +		};
> +		opp@...100 {
> +			opp-hz = /bits/ 64 <199065600>;
> +			opp-microvolt = <1000000 950000 1650000>;
> +			clock-latency-ns = <20>;
> +		};
> +		opp@...600 {
> +			opp-hz = /bits/ 64 <298598400>;
> +			opp-microvolt = <1100000 1045000 1650000>;
> +			clock-latency-ns = <20>;
> +		};
> +		opp@...100 {
> +			opp-hz = /bits/ 64 <398131200>;
> +			opp-microvolt = <1300000 1235000 1650000>;
> +			clock-latency-ns = <20>;
> +		};
> +	};
>  };
> -- 
> 2.1.4

-- 
viresh