linux-kernel - Re: [PATCH 8/8] ARM: sun8i: a33: Add the Mali OPPs

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Message-ID: <20170215234029.3vfh25gxtvz44dsw@rob-hp-laptop>
Date:   Wed, 15 Feb 2017 17:40:29 -0600
From:   Rob Herring <robh@...nel.org>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     Mark Rutland <mark.rutland@....com>, Chen-Yu Tsai <wens@...e.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mm@...ck.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH 8/8] ARM: sun8i: a33: Add the Mali OPPs

On Thu, Feb 09, 2017 at 05:39:22PM +0100, Maxime Ripard wrote:
> The Mali GPU in the A33 has various operating frequencies used in the
> Allwinner BSP.
> 
> Add them to our DT.
> 
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> ---
>  arch/arm/boot/dts/sun8i-a33.dtsi | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
> index 043b1b017276..e1b0abfee42f 100644
> --- a/arch/arm/boot/dts/sun8i-a33.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
> @@ -101,6 +101,22 @@
>  		status = "disabled";
>  	};
>  
> +	mali_opp_table: opp_table1 {

gpu-opp-table

> +		compatible = "operating-points-v2";
> +
> +		opp@...000000 {
> +			opp-hz = /bits/ 64 <144000000>;
> +		};
> +
> +		opp@...000000 {
> +			opp-hz = /bits/ 64 <240000000>;
> +		};
> +
> +		opp@...000000 {
> +			opp-hz = /bits/ 64 <384000000>;
> +		};
> +	};
> +
>  	memory {
>  		reg = <0x40000000 0x80000000>;
>  	};
> @@ -282,6 +298,7 @@
>  
>  &mali {
>  	memory-region = <&display_pool>;
> +	operating-points-v2 = <&mali_opp_table>;
>  };
>  
>  &pio {
> -- 
> git-series 0.8.11