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Neil Armstrongc246e9d2016-10-05 10:09:40 +02001/*
2 * Copyright (c) 2016 Andreas Färber
3 * Copyright (c) 2016 BayLibre, Inc.
4 * Author: Neil Armstrong <narmstrong@kernel.org>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 * a) This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
30 * conditions:
31 *
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45/dts-v1/;
46
47#include "meson-gxbb.dtsi"
48#include <dt-bindings/gpio/gpio.h>
49#include <dt-bindings/input/input.h>
50
51/ {
52 compatible = "nexbox,a95x", "amlogic,meson-gxbb";
53 model = "NEXBOX A95X";
54
55 aliases {
56 serial0 = &uart_AO;
57 };
58
59 chosen {
60 stdout-path = "serial0:115200n8";
61 };
62
63 memory@0 {
64 device_type = "memory";
65 reg = <0x0 0x0 0x0 0x40000000>;
66 };
67
68 leds {
69 compatible = "gpio-leds";
70 blue {
71 label = "a95x:system-status";
72 gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
73 linux,default-trigger = "heartbeat";
74 default-state = "off";
75 };
76 };
77
78 gpio-keys-polled {
79 compatible = "gpio-keys-polled";
80 #address-cells = <1>;
81 #size-cells = <0>;
82 poll-interval = <100>;
83
84 button@0 {
85 label = "reset";
86 linux,code = <KEY_RESTART>;
87 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
88 };
89 };
Neil Armstronga776e042016-10-20 13:42:57 +020090
91 vddio_card: gpio-regulator {
92 compatible = "regulator-gpio";
93
94 regulator-name = "VDDIO_CARD";
95 regulator-min-microvolt = <1800000>;
96 regulator-max-microvolt = <3300000>;
97
98 gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
99 gpios-states = <1>;
100
101 /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
102 states = <1800000 0
103 3300000 1>;
104 };
105
106 vddio_boot: regulator-vddio_boot {
107 compatible = "regulator-fixed";
108 regulator-name = "VDDIO_BOOT";
109 regulator-min-microvolt = <1800000>;
110 regulator-max-microvolt = <1800000>;
111 };
112
113 vddao_3v3: regulator-vddao_3v3 {
114 compatible = "regulator-fixed";
115 regulator-name = "VDDAO_3V3";
116 regulator-min-microvolt = <3300000>;
117 regulator-max-microvolt = <3300000>;
118 };
119
120 vcc_3v3: regulator-vcc_3v3 {
121 compatible = "regulator-fixed";
122 regulator-name = "VCC_3V3";
123 regulator-min-microvolt = <3300000>;
124 regulator-max-microvolt = <3300000>;
125 };
126
127 emmc_pwrseq: emmc-pwrseq {
128 compatible = "mmc-pwrseq-emmc";
129 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
130 };
131
132 wifi32k: wifi32k {
133 compatible = "pwm-clock";
134 #clock-cells = <0>;
135 clock-frequency = <32768>;
136 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
137 };
138
139 sdio_pwrseq: sdio-pwrseq {
140 compatible = "mmc-pwrseq-simple";
141 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
142 clocks = <&wifi32k>;
143 clock-names = "ext_clock";
144 };
Neil Armstrongc246e9d2016-10-05 10:09:40 +0200145};
146
147&uart_AO {
148 status = "okay";
149 pinctrl-0 = <&uart_ao_a_pins>;
150 pinctrl-names = "default";
151};
152
153&ethmac {
154 status = "okay";
Neil Armstrong3be2d9c2016-10-07 16:59:15 +0200155 pinctrl-0 = <&eth_rmii_pins>;
Neil Armstrongc246e9d2016-10-05 10:09:40 +0200156 pinctrl-names = "default";
Neil Armstrong3be2d9c2016-10-07 16:59:15 +0200157 phy-mode = "rmii";
Neil Armstrongc246e9d2016-10-05 10:09:40 +0200158};
159
160&ir {
161 status = "okay";
162 pinctrl-0 = <&remote_input_ao_pins>;
163 pinctrl-names = "default";
164};
Neil Armstronga776e042016-10-20 13:42:57 +0200165
166/* Wireless SDIO Module */
167&sd_emmc_a {
168 status = "okay";
169 pinctrl-0 = <&sdio_pins>;
170 pinctrl-names = "default";
171 #address-cells = <1>;
172 #size-cells = <0>;
173
174 bus-width = <4>;
175 cap-sd-highspeed;
176 max-frequency = <100000000>;
177
178 non-removable;
179 disable-wp;
180
181 mmc-pwrseq = <&sdio_pwrseq>;
182
183 vmmc-supply = <&vddao_3v3>;
184 vqmmc-supply = <&vddio_boot>;
185};
186
187/* SD card */
188&sd_emmc_b {
189 status = "okay";
190 pinctrl-0 = <&sdcard_pins>;
191 pinctrl-names = "default";
192
193 bus-width = <4>;
194 cap-sd-highspeed;
195 max-frequency = <100000000>;
196 disable-wp;
197
198 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
199 cd-inverted;
200
201 vmmc-supply = <&vddao_3v3>;
202 vqmmc-supply = <&vddio_card>;
203};
204
205/* eMMC */
206&sd_emmc_c {
207 status = "okay";
208 pinctrl-0 = <&emmc_pins>;
209 pinctrl-names = "default";
210
211 bus-width = <8>;
212 cap-sd-highspeed;
213 cap-mmc-highspeed;
214 max-frequency = <200000000>;
215 non-removable;
216 disable-wp;
217 mmc-ddr-1_8v;
218 mmc-hs200-1_8v;
219
220 mmc-pwrseq = <&emmc_pwrseq>;
221 vmmc-supply = <&vcc_3v3>;
222 vqmmc-supply = <&vddio_boot>;
223};
224
225&pwm_ef {
226 status = "okay";
227 pinctrl-0 = <&pwm_e_pins>;
228 pinctrl-names = "default";
229 clocks = <&clkc CLKID_FCLK_DIV4>;
230 clock-names = "clkin0";
231};