/*
 * tegra186-soc-actmon.dtsi: Tegra186 soc dtsi file for central actmon instances
 *
 * Copyright (c) 2016-2017, NVIDIA CORPORATION.  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 as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

/ {
	actmon@d230000 {
		status = "disabled";
		#address-cells = <2>;
		#size-cells = <2>;
		/* tegra186 central actmon */
		compatible = "nvidia,tegra186-cactmon";
		reg = <0x0 0x0d230000 0x0 0x1000>; /* ACTMON_BASE */
		interrupts = <0 TEGRA186_IRQ_ACTMON IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&tegra_car TEGRA186_CLK_ACTMON>;
		clock-names = "actmon";
		resets = <&tegra_car TEGRA186_RESET_ACTMON>;
		reset-names = "actmon_rst";
		nvidia,sample_period = /bits/ 8 <20>;

		mc_all {	/* MC_ALL actmon device */
			#address-cells = <1>;
			#size-cells = <0>;
			nvidia,reg_offs = <0x100>;
			nvidia,irq_mask = <0x2>;
			/* EMC_PLLP_FREQ + 2000 */
			nvidia,suspend_freq = <204000>;
			nvidia,boost_freq_step = <204000>;
			nvidia,boost_up_coef = <200>;
			nvidia,boost_down_coef = <50>;
			nvidia,boost_up_threshold = <30>;
			nvidia,boost_down_threshold = <20>;
			nvidia,up_wmark_window = /bits/ 8 <3>;
			nvidia,down_wmark_window = /bits/ 8 <2>;
			nvidia,avg_window_log2 = /bits/ 8 <6>;
			/*
			 * count_weight(W) = no of dram clks needed to access N atoms
			 * N = atoms per dvfs pulse = (2^7+1) = 256 atoms
			 * 1 atom = 64 bytes
			 * t186 has 128 max dram width (4 channels x 32 bits per channel)
			 * 1 dram clock cycle provides 128*2 bits = 32 bytes
			 * (i.e) 2 dram clocks provides 1 atom
			 * so 2*256=512 dram clocks needed for 256 atoms
			 * W = 512
			 */
			nvidia,count_weight = <0x200>;
			nvidia,max_dram_channels = /bits/ 8 <4>;
			nvidia,type = <1>;
			status = "disabled";
		};
       };
};