mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
0e1410dda7
Also known as the Asus Chromebit. Signed-off-by: Chris Zhong <zyw@rock-chips.com> Tested-by: Caesar Wang <wxt@rock-chips.com> For the license change: Acked-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
251 lines
6.7 KiB
Plaintext
251 lines
6.7 KiB
Plaintext
/*
|
|
* Google Veyron Mickey Rev 0 board device tree source
|
|
*
|
|
* Copyright 2015 Google, Inc
|
|
*
|
|
* 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 file 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 file 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.
|
|
*/
|
|
|
|
/dts-v1/;
|
|
#include "rk3288-veyron.dtsi"
|
|
|
|
/ {
|
|
model = "Google Mickey";
|
|
compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7",
|
|
"google,veyron-mickey-rev6", "google,veyron-mickey-rev5",
|
|
"google,veyron-mickey-rev4", "google,veyron-mickey-rev3",
|
|
"google,veyron-mickey-rev2", "google,veyron-mickey-rev1",
|
|
"google,veyron-mickey-rev0", "google,veyron-mickey",
|
|
"google,veyron", "rockchip,rk3288";
|
|
|
|
vcc_5v: vcc-5v {
|
|
vin-supply = <&vcc33_sys>;
|
|
};
|
|
|
|
vcc33_io: vcc33_io {
|
|
compatible = "regulator-fixed";
|
|
regulator-name = "vcc33_io";
|
|
regulator-always-on;
|
|
regulator-boot-on;
|
|
vin-supply = <&vcc33_sys>;
|
|
};
|
|
};
|
|
|
|
&cpu_thermal {
|
|
/delete-node/ trips;
|
|
/delete-node/ cooling-maps;
|
|
|
|
trips {
|
|
cpu_alert_almost_warm: cpu_alert_almost_warm {
|
|
temperature = <63000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_alert_warm: cpu_alert_warm {
|
|
temperature = <65000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_alert_almost_hot: cpu_alert_almost_hot {
|
|
temperature = <80000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_alert_hot: cpu_alert_hot {
|
|
temperature = <82000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_alert_hotter: cpu_alert_hotter {
|
|
temperature = <84000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_alert_very_hot: cpu_alert_very_hot {
|
|
temperature = <85000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "passive";
|
|
};
|
|
cpu_crit: cpu_crit {
|
|
temperature = <90000>; /* millicelsius */
|
|
hysteresis = <2000>; /* millicelsius */
|
|
type = "critical";
|
|
};
|
|
};
|
|
|
|
cooling-maps {
|
|
/*
|
|
* After 1st level, throttle the CPU down to as low as 1.4 GHz
|
|
* and don't let the GPU go faster than 400 MHz. Note that we
|
|
* won't throttle the GPU lower than 400 MHz due to CPU
|
|
* heat--we'll let the GPU do the rest itself.
|
|
*/
|
|
cpu_warm_limit_cpu {
|
|
trip = <&cpu_alert_warm>;
|
|
cooling-device =
|
|
<&cpu0 THERMAL_NO_LIMIT 4>;
|
|
};
|
|
|
|
/*
|
|
* Add some discrete steps to help throttling system deal
|
|
* with the fact that there are two passive cooling devices:
|
|
* the CPU and the GPU.
|
|
*
|
|
* - 1.2 GHz - 1.0 GHz (almost hot)
|
|
* - 800 MHz (hot)
|
|
* - 800 MHz - 696 MHz (hotter)
|
|
* - 696 MHz - min (very hot)
|
|
*
|
|
* Note:
|
|
* - 800 MHz appears to be a "sweet spot" for me. I can run
|
|
* some pretty serious workload here and be happy.
|
|
* - After 696 MHz we stop lowering voltage, so throttling
|
|
* past there is less effective.
|
|
*/
|
|
cpu_almost_hot_limit_cpu {
|
|
trip = <&cpu_alert_almost_hot>;
|
|
cooling-device =
|
|
<&cpu0 5 6>;
|
|
};
|
|
cpu_hot_limit_cpu {
|
|
trip = <&cpu_alert_hot>;
|
|
cooling-device =
|
|
<&cpu0 7 7>;
|
|
};
|
|
cpu_hotter_limit_cpu {
|
|
trip = <&cpu_alert_hotter>;
|
|
cooling-device =
|
|
<&cpu0 7 8>;
|
|
};
|
|
cpu_very_hot_limit_cpu {
|
|
trip = <&cpu_alert_very_hot>;
|
|
cooling-device =
|
|
<&cpu0 8 THERMAL_NO_LIMIT>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&emmc {
|
|
/delete-property/mmc-hs200-1_8v;
|
|
};
|
|
|
|
&i2c2 {
|
|
status = "disabled";
|
|
};
|
|
|
|
&i2c4 {
|
|
status = "disabled";
|
|
};
|
|
|
|
&i2s {
|
|
status = "okay";
|
|
clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out";
|
|
clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>;
|
|
};
|
|
|
|
&rk808 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
|
|
dvs-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>,
|
|
<&gpio7 15 GPIO_ACTIVE_HIGH>;
|
|
|
|
/delete-property/ vcc6-supply;
|
|
/delete-property/ vcc12-supply;
|
|
|
|
vcc11-supply = <&vcc33_sys>;
|
|
|
|
regulators {
|
|
/* vcc33_io is sourced directly from vcc33_sys */
|
|
/delete-node/ LDO_REG1;
|
|
/delete-node/ LDO_REG7;
|
|
|
|
/* This is not a pwren anymore, but the real power supply */
|
|
vdd10_lcd: LDO_REG7 {
|
|
regulator-always-on;
|
|
regulator-boot-on;
|
|
regulator-min-microvolt = <1000000>;
|
|
regulator-max-microvolt = <1000000>;
|
|
regulator-name = "vdd10_lcd";
|
|
regulator-suspend-mem-disabled;
|
|
};
|
|
|
|
vcc18_lcd: LDO_REG8 {
|
|
regulator-always-on;
|
|
regulator-boot-on;
|
|
regulator-min-microvolt = <1800000>;
|
|
regulator-max-microvolt = <1800000>;
|
|
regulator-name = "vcc18_lcd";
|
|
regulator-suspend-mem-disabled;
|
|
};
|
|
};
|
|
};
|
|
|
|
&pinctrl {
|
|
hdmi {
|
|
power_hdmi_on: power-hdmi-on {
|
|
rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
};
|
|
};
|
|
|
|
pmic {
|
|
dvs_1: dvs-1 {
|
|
rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>;
|
|
};
|
|
|
|
dvs_2: dvs-2 {
|
|
rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&usb_host0_ehci {
|
|
status = "disabled";
|
|
};
|
|
|
|
&usb_host1 {
|
|
status = "disabled";
|
|
};
|
|
|
|
&vcc50_hdmi {
|
|
enable-active-high;
|
|
gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&power_hdmi_on>;
|
|
};
|