#include <dt-bindings/input/input.h>
#include "rk3399.dtsi"
+#include "rk3399-opp.dtsi"
/ {
chosen {
vin-supply = <&ppvar_sys>;
};
+ ppvar_bigcpu: ppvar-bigcpu {
+ compatible = "pwm-regulator";
+ regulator-name = "ppvar_bigcpu";
+ /*
+ * OVP circuit requires special handling which is not yet
+ * represented. Keep disabled for now.
+ */
+ status = "disabled";
+
+ pwms = <&pwm1 0 3337 0>;
+ pwm-supply = <&ppvar_sys>;
+ pwm-dutycycle-range = <100 0>;
+ pwm-dutycycle-unit = <100>;
+
+ /* EC turns on w/ ap_core_en; always on for AP */
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <798674>;
+ regulator-max-microvolt = <1302172>;
+ };
+
+ ppvar_litcpu: ppvar-litcpu {
+ compatible = "pwm-regulator";
+ regulator-name = "ppvar_litcpu";
+ /*
+ * OVP circuit requires special handling which is not yet
+ * represented. Keep disabled for now.
+ */
+ status = "disabled";
+
+ pwms = <&pwm2 0 3337 0>;
+ pwm-supply = <&ppvar_sys>;
+ pwm-dutycycle-range = <100 0>;
+ pwm-dutycycle-unit = <100>;
+
+ /* EC turns on w/ ap_core_en; always on for AP */
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <799065>;
+ regulator-max-microvolt = <1303738>;
+ };
+
+ ppvar_gpu: ppvar-gpu {
+ compatible = "pwm-regulator";
+ regulator-name = "ppvar_gpu";
+ /*
+ * OVP circuit requires special handling which is not yet
+ * represented. Keep disabled for now.
+ */
+ status = "disabled";
+
+ pwms = <&pwm0 0 3337 0>;
+ pwm-supply = <&ppvar_sys>;
+ pwm-dutycycle-range = <100 0>;
+ pwm-dutycycle-unit = <100>;
+
+ /* EC turns on w/ ap_core_en; always on for AP */
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <785782>;
+ regulator-max-microvolt = <1217729>;
+ };
+
+ ppvar_centerlogic: ppvar-centerlogic {
+ compatible = "pwm-regulator";
+ regulator-name = "ppvar_centerlogic";
+ /*
+ * OVP circuit requires special handling which is not yet
+ * represented. Keep disabled for now.
+ */
+ status = "disabled";
+
+ pwms = <&pwm3 0 3337 0>;
+ pwm-supply = <&ppvar_sys>;
+ pwm-dutycycle-range = <100 0>;
+ pwm-dutycycle-unit = <100>;
+
+ /* EC turns on w/ ppvar_centerlogic_en; always on for AP */
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <800069>;
+ regulator-max-microvolt = <1049692>;
+ };
+
/* Schematics call this PPVAR even though it's fixed */
ppvar_logic: ppvar-logic {
compatible = "regulator-fixed";
};
};
+/*
+ * Set some suspend operating points to avoid OVP in suspend
+ *
+ * When we go into S3 ARM Trusted Firmware will transition our PWM regulators
+ * from wherever they're at back to the "default" operating point (whatever
+ * voltage we get when we set the PWM pins to "input").
+ *
+ * This quick transition under light load has the possibility to trigger the
+ * regulator "over voltage protection" (OVP).
+ *
+ * To make extra certain that we don't hit this OVP at suspend time, we'll
+ * transition to a voltage that's much closer to the default (~1.0 V) so that
+ * there will not be a big jump. Technically we only need to get within 200 mV
+ * of the default voltage, but the speed here should be fast enough and we need
+ * suspend/resume to be rock solid.
+ */
+
+&cluster0_opp {
+ opp05 {
+ opp-suspend;
+ };
+};
+
+&cluster1_opp {
+ opp06 {
+ opp-suspend;
+ };
+};
+
+&cpu_l0 {
+ cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l1 {
+ cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l2 {
+ cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_l3 {
+ cpu-supply = <&ppvar_litcpu>;
+};
+
+&cpu_b0 {
+ cpu-supply = <&ppvar_bigcpu>;
+};
+
+&cpu_b1 {
+ cpu-supply = <&ppvar_bigcpu>;
+};
+
+
&cru {
assigned-clocks =
<&cru PLL_GPLL>, <&cru PLL_CPLL>,
--- /dev/null
+/*
+ * Copyright (c) 2016-2017 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This library 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; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This library 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.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/ {
+ cluster0_opp: opp-table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp00 {
+ opp-hz = /bits/ 64 <408000000>;
+ opp-microvolt = <800000>;
+ clock-latency-ns = <40000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <800000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <816000000>;
+ opp-microvolt = <800000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <875000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <925000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <1416000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <1512000000>;
+ opp-microvolt = <1125000>;
+ };
+ };
+
+ cluster1_opp: opp-table1 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp00 {
+ opp-hz = /bits/ 64 <408000000>;
+ opp-microvolt = <800000>;
+ clock-latency-ns = <40000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <800000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <816000000>;
+ opp-microvolt = <825000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <875000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <950000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <1416000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <1608000000>;
+ opp-microvolt = <1075000>;
+ };
+ opp07 {
+ opp-hz = /bits/ 64 <1800000000>;
+ opp-microvolt = <1150000>;
+ };
+ opp08 {
+ opp-hz = /bits/ 64 <2016000000>;
+ opp-microvolt = <1250000>;
+ };
+ };
+};
+
+&cpu_l0 {
+ operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l1 {
+ operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l2 {
+ operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l3 {
+ operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_b0 {
+ operating-points-v2 = <&cluster1_opp>;
+};
+
+&cpu_b1 {
+ operating-points-v2 = <&cluster1_opp>;
+};
projects / karo-tx-linux.git / commitdiff