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Commit 9eea6d35 authored by Hanumath Prasad's avatar Hanumath Prasad
Browse files

ARM: dts: msm: Add support for ddr scaling for mdmfermium 



Add cpubw node to support ddr frequencies for bw scaling.

Change-Id: I7fbc112b650e17c60539853bf8611b2fa0567671
Signed-off-by: default avatarHanumath Prasad <hpprasad@codeaurora.org>
parent 9fffca4f

arch/arm/boot/dts/qcom/mdmfermium.dtsi

+35 −0
Original line number Diff line number Diff line
@@ -273,6 +273,41 @@ 
		#clock-cells = <1>;

	};



	cpubw: qcom,cpubw {

		compatible = "qcom,devbw";

		governor = "cpufreq";

		qcom,src-dst-ports = <1 512>;

		qcom,active-only;

		qcom,bw-tbl =

			<  366 /*  48   MHz */>,

			<  732 /*  96   MHz */>,

			<  952 /* 124.8 MHz */>,

			< 1171 /* 153.6 MHz */>,

			< 1831 /* 240   MHz */>,

			< 2343 /* 307.2 MHZ */>;

	};



	devfreq-cpufreq {

		cpubw-cpufreq {

			target-dev = <&cpubw>;

			cpu-to-dev-map =

				 <  400000   732>,

				 <  800000  1171>,

				 <  998400  1831>,

				 < 1094400  2343>,

				 < 1305600  2343>;

		};

	};



	qcom,cpu-bwmon {

		compatible = "qcom,bimc-bwmon2";

		reg = <0x408000 0x300>, <0x401000 0x200>;

		reg-names = "base", "global_base";

		interrupts = <0 183 4>;

		qcom,mport = <0>;

		qcom,target-dev = <&cpubw>;

	};



	qcom,msm-cpufreq {

		reg = <0 4>;

		compatible = "qcom,msm-cpufreq";