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06139c822c
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>
265 lines
5.3 KiB
Plaintext
265 lines
5.3 KiB
Plaintext
/*
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* Copyright (C) 2015 Chen-Yu Tsai <wens@csie.org>
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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 "sun8i-h3.dtsi"
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#include "sunxi-common-regulators.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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/ {
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model = "Xunlong Orange Pi PC";
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compatible = "xunlong,orangepi-pc", "allwinner,sun8i-h3";
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aliases {
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ethernet0 = &emac;
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serial0 = &uart0;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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connector {
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compatible = "hdmi-connector";
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type = "a";
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port {
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hdmi_con_in: endpoint {
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remote-endpoint = <&hdmi_out_con>;
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};
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&leds_opc>, <&leds_r_opc>;
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pwr_led {
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label = "orangepi:green:pwr";
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gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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status_led {
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label = "orangepi:red:status";
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gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>;
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};
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};
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r_gpio_keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&sw_r_opc>;
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sw4 {
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label = "sw4";
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linux,code = <BTN_0>;
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gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&codec {
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allwinner,audio-routing =
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"Line Out", "LINEOUT",
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"MIC1", "Mic",
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"Mic", "MBIAS";
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status = "okay";
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};
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&de {
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status = "okay";
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};
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&cpu0 {
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cpu-supply = <®_vdd_cpux>;
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};
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&ehci0 {
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status = "okay";
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};
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&ehci1 {
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status = "okay";
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};
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&ehci2 {
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status = "okay";
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};
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&ehci3 {
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status = "okay";
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};
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&emac {
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phy-handle = <&int_mii_phy>;
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phy-mode = "mii";
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allwinner,leds-active-low;
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status = "okay";
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};
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&hdmi {
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status = "okay";
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};
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&hdmi_out {
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hdmi_out_con: endpoint {
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remote-endpoint = <&hdmi_con_in>;
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};
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};
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&ir {
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pinctrl-names = "default";
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pinctrl-0 = <&ir_pins_a>;
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status = "okay";
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};
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&mmc0 {
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vmmc-supply = <®_vcc3v3>;
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bus-width = <4>;
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cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
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status = "okay";
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};
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&ohci0 {
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status = "okay";
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};
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&ohci1 {
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status = "okay";
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};
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&ohci2 {
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status = "okay";
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};
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&ohci3 {
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status = "okay";
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};
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&pio {
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leds_opc: led_pins {
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pins = "PA15";
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function = "gpio_out";
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};
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};
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&r_i2c {
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status = "okay";
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reg_vdd_cpux: regulator@65 {
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compatible = "silergy,sy8106a";
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reg = <0x65>;
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regulator-name = "vdd-cpux";
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silergy,fixed-microvolt = <1200000>;
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/*
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* The datasheet uses 1.1V as the minimum value of VDD-CPUX,
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* however both the Armbian DVFS table and the official one
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* have operating points with voltage under 1.1V, and both
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* DVFS table are known to work properly at the lowest
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* operating point.
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*
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* Use 1.0V as the minimum voltage instead.
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*/
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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};
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&r_pio {
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leds_r_opc: led_pins {
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pins = "PL10";
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function = "gpio_out";
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};
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sw_r_opc: key_pins {
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pins = "PL3";
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function = "gpio_in";
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};
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};
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®_usb0_vbus {
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gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
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status = "okay";
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins_a>;
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status = "okay";
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};
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_pins>;
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status = "disabled";
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};
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&uart2 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart2_pins>;
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status = "disabled";
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};
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&uart3 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart3_pins>;
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status = "disabled";
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};
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&usb_otg {
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dr_mode = "otg";
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status = "okay";
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};
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&usbphy {
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usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
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usb0_vbus-supply = <®_usb0_vbus>;
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/* VBUS on USB host ports are always on */
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status = "okay";
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};
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