boot/dts/sun6i-a31s-sina31s-core.dtsi

0001 /*
0002  * Copyright 2015 Chen-Yu Tsai <wens@csie.org>
0003  *
0004  * This file is dual-licensed: you can use it either under the terms
0005  * of the GPL or the X11 license, at your option. Note that this dual
0006  * licensing only applies to this file, and not this project as a
0007  * whole.
0008  *
0009  *  a) This file is free software; you can redistribute it and/or
0010  *     modify it under the terms of the GNU General Public License as
0011  *     published by the Free Software Foundation; either version 2 of the
0012  *     License, or (at your option) any later version.
0013  *
0014  *     This file is distributed in the hope that it will be useful,
0015  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0016  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0017  *     GNU General Public License for more details.
0018  *
0019  * Or, alternatively,
0020  *
0021  *  b) Permission is hereby granted, free of charge, to any person
0022  *     obtaining a copy of this software and associated documentation
0023  *     files (the "Software"), to deal in the Software without
0024  *     restriction, including without limitation the rights to use,
0025  *     copy, modify, merge, publish, distribute, sublicense, and/or
0026  *     sell copies of the Software, and to permit persons to whom the
0027  *     Software is furnished to do so, subject to the following
0028  *     conditions:
0029  *
0030  *     The above copyright notice and this permission notice shall be
0031  *     included in all copies or substantial portions of the Software.
0032  *
0033  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0034  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0035  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0036  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0037  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0038  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0039  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0040  *     OTHER DEALINGS IN THE SOFTWARE.
0041  */
0042
0043 /dts-v1/;
0044 #include "sun6i-a31s.dtsi"
0045 #include "sunxi-common-regulators.dtsi"
0046
0047 #include <dt-bindings/gpio/gpio.h>
0048
0049 / {
0050         model = "Sinlinx SinA31s Core Board";
0051         compatible = "sinlinx,sina31s", "allwinner,sun6i-a31s";
0052
0053         aliases {
0054                 serial0 = &uart0;
0055         };
0056 };
0057
0058 &cpu0 {
0059         cpu-supply = <&reg_dcdc3>;
0060 };
0061
0062 /* eMMC on core board */
0063 &mmc3 {
0064         pinctrl-names = "default";
0065         pinctrl-0 = <&mmc3_8bit_emmc_pins>;
0066         vmmc-supply = <&reg_dcdc1>;
0067         vqmmc-supply = <&reg_dcdc1>;
0068         bus-width = <8>;
0069         non-removable;
0070         cap-mmc-hw-reset;
0071         status = "okay";
0072 };
0073
0074 /* AXP221s PMIC on core board */
0075 &p2wi {
0076         status = "okay";
0077
0078         axp22x: pmic@68 {
0079                 compatible = "x-powers,axp221";
0080                 reg = <0x68>;
0081                 interrupt-parent = <&r_intc>;
0082                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
0083         };
0084 };
0085
0086 #include "axp22x.dtsi"
0087
0088 &reg_aldo3 {
0089         regulator-always-on;
0090         regulator-min-microvolt = <2700000>;
0091         regulator-max-microvolt = <3300000>;
0092         regulator-name = "avcc";
0093 };
0094
0095 &reg_dc5ldo {
0096         regulator-min-microvolt = <700000>;
0097         regulator-max-microvolt = <1320000>;
0098         regulator-name = "vdd-cpus";
0099 };
0100
0101 &reg_dcdc1 {
0102         regulator-always-on;
0103         regulator-min-microvolt = <3000000>;
0104         regulator-max-microvolt = <3000000>;
0105         regulator-name = "vcc-3v0";
0106 };
0107
0108 &reg_dcdc2 {
0109         regulator-min-microvolt = <700000>;
0110         regulator-max-microvolt = <1320000>;
0111         regulator-name = "vdd-gpu";
0112 };
0113
0114 &reg_dcdc3 {
0115         regulator-always-on;
0116         regulator-min-microvolt = <700000>;
0117         regulator-max-microvolt = <1320000>;
0118         regulator-name = "vdd-cpu";
0119 };
0120
0121 &reg_dcdc4 {
0122         regulator-always-on;
0123         regulator-min-microvolt = <700000>;
0124         regulator-max-microvolt = <1320000>;
0125         regulator-name = "vdd-sys-dll";
0126 };
0127
0128 &reg_dcdc5 {
0129         regulator-always-on;
0130         regulator-min-microvolt = <1500000>;
0131         regulator-max-microvolt = <1500000>;
0132         regulator-name = "vcc-dram";
0133 };
0134
0135 /* UART0 pads available on core board */
0136 &uart0 {
0137         pinctrl-names = "default";
0138         pinctrl-0 = <&uart0_ph_pins>;
0139         status = "okay";
0140 };
0141