xref: /linux/arch/arm/boot/dts/allwinner/sun6i-a31s-sina31s-core.dtsi (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea) 
1/*
2 * Copyright 2015 Chen-Yu Tsai <wens@csie.org>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 *  a) This file is free software; you can redistribute it and/or
10 *     modify it under the terms of the GNU General Public License as
11 *     published by the Free Software Foundation; either version 2 of the
12 *     License, or (at your option) any later version.
13 *
14 *     This file is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 *  b) Permission is hereby granted, free of charge, to any person
22 *     obtaining a copy of this software and associated documentation
23 *     files (the "Software"), to deal in the Software without
24 *     restriction, including without limitation the rights to use,
25 *     copy, modify, merge, publish, distribute, sublicense, and/or
26 *     sell copies of the Software, and to permit persons to whom the
27 *     Software is furnished to do so, subject to the following
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 *     OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "sun6i-a31s.dtsi"
45#include "sunxi-common-regulators.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50	model = "Sinlinx SinA31s Core Board";
51	compatible = "sinlinx,sina31s", "allwinner,sun6i-a31s";
52
53	aliases {
54		serial0 = &uart0;
55	};
56};
57
58&cpu0 {
59	cpu-supply = <&reg_dcdc3>;
60};
61
62/* eMMC on core board */
63&mmc3 {
64	pinctrl-names = "default";
65	pinctrl-0 = <&mmc3_8bit_emmc_pins>;
66	vmmc-supply = <&reg_dcdc1>;
67	vqmmc-supply = <&reg_dcdc1>;
68	bus-width = <8>;
69	non-removable;
70	cap-mmc-hw-reset;
71	status = "okay";
72};
73
74/* AXP221s PMIC on core board */
75&p2wi {
76	status = "okay";
77
78	axp22x: pmic@68 {
79		compatible = "x-powers,axp221";
80		reg = <0x68>;
81		interrupt-parent = <&r_intc>;
82		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
83	};
84};
85
86#include "axp22x.dtsi"
87
88&reg_aldo3 {
89	regulator-always-on;
90	regulator-min-microvolt = <2700000>;
91	regulator-max-microvolt = <3300000>;
92	regulator-name = "avcc";
93};
94
95&reg_dc5ldo {
96	regulator-min-microvolt = <700000>;
97	regulator-max-microvolt = <1320000>;
98	regulator-name = "vdd-cpus";
99};
100
101&reg_dcdc1 {
102	regulator-always-on;
103	regulator-min-microvolt = <3000000>;
104	regulator-max-microvolt = <3000000>;
105	regulator-name = "vcc-3v0";
106};
107
108&reg_dcdc2 {
109	regulator-min-microvolt = <700000>;
110	regulator-max-microvolt = <1320000>;
111	regulator-name = "vdd-gpu";
112};
113
114&reg_dcdc3 {
115	regulator-always-on;
116	regulator-min-microvolt = <700000>;
117	regulator-max-microvolt = <1320000>;
118	regulator-name = "vdd-cpu";
119};
120
121&reg_dcdc4 {
122	regulator-always-on;
123	regulator-min-microvolt = <700000>;
124	regulator-max-microvolt = <1320000>;
125	regulator-name = "vdd-sys-dll";
126};
127
128&reg_dcdc5 {
129	regulator-always-on;
130	regulator-min-microvolt = <1500000>;
131	regulator-max-microvolt = <1500000>;
132	regulator-name = "vcc-dram";
133};
134
135/* UART0 pads available on core board */
136&uart0 {
137	pinctrl-names = "default";
138	pinctrl-0 = <&uart0_ph_pins>;
139	status = "okay";
140};
141
142