linux_dsm_epyc7002/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
Ondrej Jirman 06139c822c ARM: dts: sun8i: h3: Add SY8106A regulator to Orange Pi PC
Add SY8106A regulator to r_i2c bus and enable the r_i2c bus on
Orange Pi PC, then set the power supply of the ARM cores to this
regulator, in order to enable DVFS.

Signed-off-by: Ondrej Jirman <megous@megous.com>
[Icenowy: Enable DVFS in this patch, slight changes and change commit
 message]
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-05-11 10:00:28 +02:00

265 lines
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/*
* Copyright (C) 2015 Chen-Yu Tsai <wens@csie.org>
*
* 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 "sun8i-h3.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
model = "Xunlong Orange Pi PC";
compatible = "xunlong,orangepi-pc", "allwinner,sun8i-h3";
aliases {
ethernet0 = &emac;
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
connector {
compatible = "hdmi-connector";
type = "a";
port {
hdmi_con_in: endpoint {
remote-endpoint = <&hdmi_out_con>;
};
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&leds_opc>, <&leds_r_opc>;
pwr_led {
label = "orangepi:green:pwr";
gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
status_led {
label = "orangepi:red:status";
gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>;
};
};
r_gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&sw_r_opc>;
sw4 {
label = "sw4";
linux,code = <BTN_0>;
gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
};
};
};
&codec {
allwinner,audio-routing =
"Line Out", "LINEOUT",
"MIC1", "Mic",
"Mic", "MBIAS";
status = "okay";
};
&de {
status = "okay";
};
&cpu0 {
cpu-supply = <&reg_vdd_cpux>;
};
&ehci0 {
status = "okay";
};
&ehci1 {
status = "okay";
};
&ehci2 {
status = "okay";
};
&ehci3 {
status = "okay";
};
&emac {
phy-handle = <&int_mii_phy>;
phy-mode = "mii";
allwinner,leds-active-low;
status = "okay";
};
&hdmi {
status = "okay";
};
&hdmi_out {
hdmi_out_con: endpoint {
remote-endpoint = <&hdmi_con_in>;
};
};
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
status = "okay";
};
&mmc0 {
vmmc-supply = <&reg_vcc3v3>;
bus-width = <4>;
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
status = "okay";
};
&ohci0 {
status = "okay";
};
&ohci1 {
status = "okay";
};
&ohci2 {
status = "okay";
};
&ohci3 {
status = "okay";
};
&pio {
leds_opc: led_pins {
pins = "PA15";
function = "gpio_out";
};
};
&r_i2c {
status = "okay";
reg_vdd_cpux: regulator@65 {
compatible = "silergy,sy8106a";
reg = <0x65>;
regulator-name = "vdd-cpux";
silergy,fixed-microvolt = <1200000>;
/*
* The datasheet uses 1.1V as the minimum value of VDD-CPUX,
* however both the Armbian DVFS table and the official one
* have operating points with voltage under 1.1V, and both
* DVFS table are known to work properly at the lowest
* operating point.
*
* Use 1.0V as the minimum voltage instead.
*/
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1300000>;
regulator-boot-on;
regulator-always-on;
};
};
&r_pio {
leds_r_opc: led_pins {
pins = "PL10";
function = "gpio_out";
};
sw_r_opc: key_pins {
pins = "PL3";
function = "gpio_in";
};
};
&reg_usb0_vbus {
gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "disabled";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins>;
status = "disabled";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins>;
status = "disabled";
};
&usb_otg {
dr_mode = "otg";
status = "okay";
};
&usbphy {
usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
usb0_vbus-supply = <&reg_usb0_vbus>;
/* VBUS on USB host ports are always on */
status = "okay";
};