Loading...
1/*
2 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
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#include "sunxi-reference-design-tablet.dtsi"
43#include "sun8i-reference-design-tablet.dtsi"
44
45/ {
46 aliases {
47 serial0 = &r_uart;
48 /* Make u-boot set mac-address for wifi without an eeprom */
49 ethernet0 = &sdio_wifi;
50 };
51
52 wifi_pwrseq: wifi_pwrseq {
53 compatible = "mmc-pwrseq-simple";
54 /*
55 * Q8 boards use various PL# pins as wifi-en. On other boards
56 * these may be connected to a wifi module output pin. To avoid
57 * short-circuits we configure these as inputs with pull-ups via
58 * pinctrl, instead of listing them as active-low reset-gpios.
59 */
60 pinctrl-names = "default";
61 pinctrl-0 = <&wifi_pwrseq_pin_q8>;
62 /* The esp8089 needs 200 ms after driving wifi-en high */
63 post-power-on-delay-ms = <200>;
64 };
65};
66
67&ehci0 {
68 status = "okay";
69};
70
71&mmc1 {
72 pinctrl-names = "default";
73 pinctrl-0 = <&mmc1_pins_a>;
74 vmmc-supply = <®_dldo1>;
75 mmc-pwrseq = <&wifi_pwrseq>;
76 bus-width = <4>;
77 non-removable;
78 status = "okay";
79
80 sdio_wifi: sdio_wifi@1 {
81 reg = <1>;
82 };
83};
84
85&mmc1_pins_a {
86 bias-pull-up;
87};
88
89&r_pio {
90 wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 {
91 pins = "PL6", "PL7", "PL11";
92 function = "gpio_in";
93 bias-pull-up;
94 };
95};
96
97&usbphy {
98 usb1_vbus-supply = <®_dldo1>;
99};
1/*
2 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
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#include "sunxi-q8-common.dtsi"
43
44#include <dt-bindings/pwm/pwm.h>
45
46/ {
47 aliases {
48 serial0 = &r_uart;
49 };
50
51 backlight: backlight {
52 compatible = "pwm-backlight";
53 pinctrl-names = "default";
54 pinctrl-0 = <&bl_en_pin_q8>;
55 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
56 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
57 default-brightness-level = <8>;
58 enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
59 };
60
61 chosen {
62 stdout-path = "serial0:115200n8";
63 };
64};
65
66&mmc0 {
67 pinctrl-names = "default";
68 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_q8>;
69 vmmc-supply = <®_dcdc1>;
70 bus-width = <4>;
71 cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
72 cd-inverted;
73 status = "okay";
74};
75
76&pio {
77 bl_en_pin_q8: bl_en_pin@0 {
78 allwinner,pins = "PH6";
79 allwinner,function = "gpio_in";
80 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
81 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
82 };
83
84 mmc0_cd_pin_q8: mmc0_cd_pin@0 {
85 allwinner,pins = "PB4";
86 allwinner,function = "gpio_in";
87 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
88 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
89 };
90};
91
92&r_rsb {
93 status = "okay";
94
95 axp22x: pmic@3a3 {
96 compatible = "x-powers,axp223";
97 reg = <0x3a3>;
98 interrupt-parent = <&nmi_intc>;
99 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
100 eldoin-supply = <®_dcdc1>;
101 };
102};
103
104#include "axp22x.dtsi"
105
106®_aldo1 {
107 regulator-always-on;
108 regulator-min-microvolt = <3000000>;
109 regulator-max-microvolt = <3000000>;
110 regulator-name = "vcc-io";
111};
112
113®_aldo2 {
114 regulator-always-on;
115 regulator-min-microvolt = <2350000>;
116 regulator-max-microvolt = <2650000>;
117 regulator-name = "vdd-dll";
118};
119
120®_aldo3 {
121 regulator-always-on;
122 regulator-min-microvolt = <2700000>;
123 regulator-max-microvolt = <3300000>;
124 regulator-name = "vcc-pll-avcc";
125};
126
127®_dc1sw {
128 regulator-name = "vcc-lcd";
129};
130
131®_dc5ldo {
132 regulator-always-on;
133 regulator-min-microvolt = <900000>;
134 regulator-max-microvolt = <1400000>;
135 regulator-name = "vdd-cpus";
136};
137
138®_dcdc1 {
139 regulator-always-on;
140 regulator-min-microvolt = <3000000>;
141 regulator-max-microvolt = <3000000>;
142 regulator-name = "vcc-3v0";
143};
144
145®_dcdc2 {
146 regulator-always-on;
147 regulator-min-microvolt = <900000>;
148 regulator-max-microvolt = <1400000>;
149 regulator-name = "vdd-sys";
150};
151
152®_dcdc3 {
153 regulator-always-on;
154 regulator-min-microvolt = <900000>;
155 regulator-max-microvolt = <1400000>;
156 regulator-name = "vdd-cpu";
157};
158
159®_dcdc5 {
160 regulator-always-on;
161 regulator-min-microvolt = <1500000>;
162 regulator-max-microvolt = <1500000>;
163 regulator-name = "vcc-dram";
164};
165
166®_rtc_ldo {
167 regulator-name = "vcc-rtc";
168};
169
170&r_uart {
171 pinctrl-names = "default";
172 pinctrl-0 = <&r_uart_pins_a>;
173 status = "okay";
174};
175
176&simplefb_lcd {
177 vcc-lcd-supply = <®_dc1sw>;
178};