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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-02-05 11:45:20 +07:00
6f07176fc3
The Gru device tree currently contains entries for the regulators ppvar_bigcpu, ppvar_litcpu, ppvar_gpu and ppvar_centerlogic; however, the regulators have not been enabled, due to the lack of binding and driver support for keeping the over-voltage protection (OVP) at bay and preventing unintended regulator shutdowns on voltage downshifts. Now, the vctrl regulator driver has been merged, along with new bindings for asymmetric settling time. The driver is OVP aware, it splits larger voltage decreases in multiple steps when necessary and adds required delays. This change renames each of the aforementioned regulators to <orig_name>_pwm and adds a new vctrl regulator named <orig_name>. The vctrl regulators use the voltage of their corresponding PWM regulator as control voltage. The OVP related values are empirical and stem from the Chrome OS kernel tree. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Brian Norris <briannorris@chromium.org> [fixed node names and parent supplies of gpu and centerlogic] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
351 lines
9.0 KiB
Plaintext
351 lines
9.0 KiB
Plaintext
/*
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* Google Gru-Kevin Rev 6+ board device tree source
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*
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* Copyright 2016-2017 Google, Inc
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/dts-v1/;
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#include "rk3399-gru.dtsi"
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#include <dt-bindings/input/linux-event-codes.h>
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/*
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* Kevin-specific things
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*
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* Things in this section should use names from Kevin schematic since no
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* equivalent exists in Gru schematic. If referring to signals that exist
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* in Gru we use the Gru names, though. Confusing enough for you?
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*/
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/ {
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model = "Google Kevin";
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compatible = "google,kevin-rev15", "google,kevin-rev14",
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"google,kevin-rev13", "google,kevin-rev12",
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"google,kevin-rev11", "google,kevin-rev10",
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"google,kevin-rev9", "google,kevin-rev8",
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"google,kevin-rev7", "google,kevin-rev6",
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"google,kevin", "google,gru", "rockchip,rk3399";
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/* Power tree */
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p3_3v_dig: p3-3v-dig {
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compatible = "regulator-fixed";
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regulator-name = "p3.3v_dig";
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pinctrl-names = "default";
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pinctrl-0 = <&cpu3_pen_pwr_en>;
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enable-active-high;
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gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
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vin-supply = <&pp3300>;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pwms = <&cros_ec_pwm 1>;
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brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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17 18 19 20 21 22 23 24 25 26 27 28 29 30
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31 32 33 34 35 36 37 38 39 40 41 42 43 44
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45 46 47 48 49 50 51 52 53 54 55 56 57 58
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59 60 61 62 63 64 65 66 67 68 69 70 71 72
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73 74 75 76 77 78 79 80 81 82 83 84 85 86
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87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
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default-brightness-level = <51>;
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enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
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power-supply = <&pp3300_disp>;
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pinctrl-names = "default";
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pinctrl-0 = <&bl_en>;
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pwm-delay-us = <10000>;
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};
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thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
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compatible = "murata,ncp15wb473";
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pullup-uv = <1800000>;
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pullup-ohm = <25500>;
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pulldown-ohm = <0>;
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io-channels = <&saradc 2>;
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#thermal-sensor-cells = <0>;
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};
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thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
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compatible = "murata,ncp15wb473";
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pullup-uv = <1800000>;
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pullup-ohm = <25500>;
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pulldown-ohm = <0>;
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io-channels = <&saradc 3>;
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#thermal-sensor-cells = <0>;
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};
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};
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&gpio_keys {
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pinctrl-names = "default";
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pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
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pen-insert {
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label = "Pen Insert";
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/* Insert = low, eject = high */
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gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
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linux,code = <SW_PEN_INSERTED>;
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linux,input-type = <EV_SW>;
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wakeup-source;
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};
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};
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&thermal_zones {
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bigcpu_reg_thermal: bigcpu-reg-thermal {
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polling-delay-passive = <100>; /* milliseconds */
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polling-delay = <1000>; /* milliseconds */
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thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
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sustainable-power = <4000>;
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ppvar_bigcpu_trips: trips {
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ppvar_bigcpu_on: ppvar-bigcpu-on {
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temperature = <40000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "passive";
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};
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ppvar_bigcpu_alert: ppvar-bigcpu-alert {
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temperature = <50000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "passive";
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};
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ppvar_bigcpu_crit: ppvar-bigcpu-crit {
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temperature = <90000>; /* millicelsius */
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hysteresis = <0>; /* millicelsius */
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type = "critical";
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};
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};
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cooling-maps {
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map0 {
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trip = <&ppvar_bigcpu_alert>;
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cooling-device =
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<&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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contribution = <4096>;
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};
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map1 {
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trip = <&ppvar_bigcpu_alert>;
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cooling-device =
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<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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contribution = <1024>;
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};
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};
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};
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litcpu_reg_thermal: litcpu-reg-thermal {
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polling-delay-passive = <100>; /* milliseconds */
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polling-delay = <1000>; /* milliseconds */
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thermal-sensors = <&thermistor_ppvar_litcpu 0>;
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sustainable-power = <4000>;
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ppvar_litcpu_trips: trips {
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ppvar_litcpu_on: ppvar-litcpu-on {
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temperature = <40000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "passive";
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};
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ppvar_litcpu_alert: ppvar-litcpu-alert {
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temperature = <50000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "passive";
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};
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ppvar_litcpu_crit: ppvar-litcpu-crit {
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temperature = <90000>; /* millicelsius */
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hysteresis = <0>; /* millicelsius */
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type = "critical";
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};
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};
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};
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};
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ap_i2c_tpm: &i2c0 {
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status = "okay";
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clock-frequency = <400000>;
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/* These are relatively safe rise/fall times. */
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i2c-scl-falling-time-ns = <50>;
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i2c-scl-rising-time-ns = <300>;
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tpm: tpm@20 {
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compatible = "infineon,slb9645tt";
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reg = <0x20>;
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powered-while-suspended;
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};
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};
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ap_i2c_dig: &i2c2 {
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status = "okay";
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clock-frequency = <400000>;
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/* These are relatively safe rise/fall times. */
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i2c-scl-falling-time-ns = <50>;
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i2c-scl-rising-time-ns = <300>;
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digitizer: digitizer@9 {
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/* wacom,w9013 */
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compatible = "hid-over-i2c";
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reg = <0x9>;
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pinctrl-names = "default";
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pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
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vdd-supply = <&p3_3v_dig>;
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post-power-on-delay-ms = <100>;
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interrupt-parent = <&gpio2>;
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interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
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hid-descr-addr = <0x1>;
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};
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};
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/* Adjustments to things in the gru baseboard */
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&ap_i2c_tp {
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trackpad@4a {
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compatible = "atmel,atmel_mxt_tp";
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reg = <0x4a>;
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pinctrl-names = "default";
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pinctrl-0 = <&trackpad_int_l>;
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interrupt-parent = <&gpio1>;
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interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
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wakeup-source;
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};
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};
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&ap_i2c_ts {
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touchscreen@4b {
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compatible = "atmel,atmel_mxt_ts";
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reg = <0x4b>;
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pinctrl-names = "default";
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pinctrl-0 = <&touch_int_l>;
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interrupt-parent = <&gpio3>;
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interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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&ppvar_bigcpu_pwm {
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regulator-min-microvolt = <798674>;
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regulator-max-microvolt = <1302172>;
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};
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&ppvar_bigcpu {
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regulator-min-microvolt = <798674>;
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regulator-max-microvolt = <1302172>;
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ctrl-voltage-range = <798674 1302172>;
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};
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&ppvar_litcpu_pwm {
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regulator-min-microvolt = <799065>;
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regulator-max-microvolt = <1303738>;
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};
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&ppvar_litcpu {
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regulator-min-microvolt = <799065>;
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regulator-max-microvolt = <1303738>;
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ctrl-voltage-range = <799065 1303738>;
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};
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&ppvar_gpu_pwm {
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regulator-min-microvolt = <785782>;
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regulator-max-microvolt = <1217729>;
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};
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&ppvar_gpu {
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regulator-min-microvolt = <785782>;
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regulator-max-microvolt = <1217729>;
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ctrl-voltage-range = <785782 1217729>;
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};
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&ppvar_centerlogic_pwm {
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regulator-min-microvolt = <800069>;
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regulator-max-microvolt = <1049692>;
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};
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&ppvar_centerlogic {
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regulator-min-microvolt = <800069>;
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regulator-max-microvolt = <1049692>;
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ctrl-voltage-range = <800069 1049692>;
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};
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&saradc {
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status = "okay";
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vref-supply = <&pp1800_ap_io>;
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};
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&mvl_wifi {
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marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
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};
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&pinctrl {
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digitizer {
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/* Has external pullup */
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cpu1_dig_irq_l: cpu1-dig-irq-l {
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rockchip,pins = <2 4 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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/* Has external pullup */
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cpu1_dig_pdct_l: cpu1-dig-pdct-l {
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rockchip,pins = <2 5 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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discrete-regulators {
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cpu3_pen_pwr_en: cpu3-pen-pwr-en {
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rockchip,pins = <4 30 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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pen {
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cpu1_pen_eject: cpu1-pen-eject {
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rockchip,pins = <0 13 RK_FUNC_GPIO &pcfg_pull_up>;
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};
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};
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wifi {
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wlan_host_wake_l: wlan-host-wake-l {
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rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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};
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