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-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 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
87};
88
89&r_pio {
90 wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 {
91 allwinner,pins = "PL6", "PL7", "PL11";
92 allwinner,function = "gpio_in";
93 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
94 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
95 };
96};
97
98&usbphy {
99 usb1_vbus-supply = <®_dldo1>;
100};