Re: [PATCH v2 16/26] ARM: dts: qcom: apq8064: add L2 cache scaling

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On 25.06.2023 22:25, Dmitry Baryshkov wrote:
> Populate L2 cache node with clock, supplies and OPP information to
> facilitate scaling L2 frequency.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
Are the L2 voltage ranges independent of speedbin?

Konrad
>  arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 101 ++++++++++++++++++++++-
>  1 file changed, 100 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> index 1eb6d752ebae..ac07170c702f 100644
> --- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> @@ -81,9 +81,108 @@ CPU3: cpu@3 {
>  		};
>  
>  		L2: l2-cache {
> -			compatible = "cache";
> +			compatible = "qcom,krait-l2-cache", "cache";
>  			cache-level = <2>;
>  			cache-unified;
> +			vdd-mem-supply = <&pm8921_l24>;
> +			vdd-dig-supply = <&pm8921_s3>;
> +			clocks = <&kraitcc KRAIT_L2>;
> +			#interconnect-cells = <1>;
> +			operating-points-v2 = <&l2_opp_table>;
> +
> +			l2_opp_table: opp-table-l2 {
> +				compatible = "operating-points-v2";
> +
> +				opp-384000000 {
> +					opp-hz = /bits/ 64 <384000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<950000 950000 1150000>;
> +				};
> +
> +				opp-432000000 {
> +					opp-hz = /bits/ 64 <432000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<1050000 1050000 1150000>;
> +				};
> +
> +				opp-486000000 {
> +					opp-hz = /bits/ 64 <486000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<1050000 1050000 1150000>;
> +				};
> +
> +				opp-540000000 {
> +					opp-hz = /bits/ 64 <540000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<1050000 1050000 1150000>;
> +				};
> +
> +				opp-594000000 {
> +					opp-hz = /bits/ 64 <594000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<1050000 1050000 1150000>;
> +				};
> +
> +				opp-648000000 {
> +					opp-hz = /bits/ 64 <648000000>;
> +					opp-microvolt = <1050000 1050000 1150000>,
> +							<1050000 1050000 1150000>;
> +				};
> +
> +				opp-702000000 {
> +					opp-hz = /bits/ 64 <702000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-756000000 {
> +					opp-hz = /bits/ 64 <756000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-810000000 {
> +					opp-hz = /bits/ 64 <810000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-864000000 {
> +					opp-hz = /bits/ 64 <864000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-918000000 {
> +					opp-hz = /bits/ 64 <918000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-972000000 {
> +					opp-hz = /bits/ 64 <972000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-1026000000 {
> +					opp-hz = /bits/ 64 <1026000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-1080000000 {
> +					opp-hz = /bits/ 64 <1080000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +
> +				opp-1134000000 {
> +					opp-hz = /bits/ 64 <1134000000>;
> +					opp-microvolt = <1150000 1150000 1150000>,
> +							<1150000 1150000 1150000>;
> +				};
> +			};
>  		};
>  
>  		idle-states {



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