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Commit 9c98a523 authored by Hanumath Prasad's avatar Hanumath Prasad
Browse files

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



Add cpubw node to vote for ddr bw scaling.

Change-Id: I6f4582706c7132a8e569562f30e75496c1a6760b
Signed-off-by: default avatarHanumath Prasad <hpprasad@codeaurora.org>
parent 1c2c6d7f

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

+59 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -509,12 +509,69 @@ 
			 <&clock_cpu clk_a53_bc_clk>,

			 <&clock_cpu clk_a53_bc_clk>;



		qcom,cpufreq-table-0 =

		qcom,cpufreq-table =

			 <  998400 >,

			 < 1094400 >,

			 < 1209600 >;

	};



	cpubw: qcom,cpubw {

		compatible = "qcom,devbw";

		governor = "cpufreq";

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

		qcom,active-only;

		qcom,bw-tbl =

			<   769 /*  100.8 MHz */ >,

			<  1611 /*  211.2 MHz */ >,

			<  2270 /*  297.6 MHz */ >,	/*SVS */

			<  2929 /*  384   MHz */ >,

			<  4248 /*  556.8 MHz */ >,	/*SVS+*/

			<  4541 /*  595.2 MHz */ >,	/*NOM*/

			<  5126 /*  672   MHz */ >;	/*TURBO*/

	};



	mincpubw: qcom,mincpubw {

		compatible = "qcom,devbw";

		governor = "cpufreq";

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

		qcom,active-only;

		qcom,bw-tbl =

			<   769 /*  100.8 MHz */ >,

			<  1611 /*  211.2 MHz */ >,

			<  2270 /*  297.6 MHz */ >,

			<  2929 /*  384   MHz */ >,

			<  4248 /*  556.8 MHz */ >,

			<  4541 /*  595.2 MHz */ >,

			<  5126 /*  672   MHz */ >;

	};



	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>;

	};



	devfreq-cpufreq {

		cpubw-cpufreq {

		target-dev = <&cpubw>;

		cpu-to-dev-map =

			<  998400  4248 >,

			< 1094400  4541 >,

			< 1209600  5126 >;

		};



		mincpubw-cpufreq {

			target-dev = <&mincpubw>;

			cpu-to-dev-map =

				<  998400 2270 >,

				< 1094400 4248 >,

				< 1209600 4248 >;

		};

	};



	qcom,wdt@b017000 {

		compatible = "qcom,msm-watchdog";

		reg = <0xb017000 0x1000>;