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1/*
2 * Copyright 2016 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
43/dts-v1/;
44#include "sun8i-a23.dtsi"
45#include "sun8i-reference-design-tablet.dtsi"
46
47/ {
48 model = "Polaroid MID2809PXE04 tablet";
49 compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
50
51 aliases {
52 ethernet0 = &esp8089;
53 };
54
55 wifi_pwrseq: wifi_pwrseq {
56 compatible = "mmc-pwrseq-simple";
57 pinctrl-names = "default";
58 pinctrl-0 = <&wifi_pwrseq_pin_mid2809>;
59 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
60 /* The esp8089 needs 200 ms after driving wifi-en high */
61 post-power-on-delay-ms = <200>;
62 };
63};
64
65&mmc1 {
66 pinctrl-names = "default";
67 pinctrl-0 = <&mmc1_pins_a>;
68 vmmc-supply = <®_dldo1>;
69 mmc-pwrseq = <&wifi_pwrseq>;
70 bus-width = <4>;
71 non-removable;
72 status = "okay";
73
74 esp8089: sdio_wifi@1 {
75 compatible = "esp,esp8089";
76 reg = <1>;
77 esp,crystal-26M-en = <2>;
78 };
79};
80
81&mmc1_pins_a {
82 bias-pull-up;
83};
84
85&r_pio {
86 wifi_pwrseq_pin_mid2809: wifi_pwrseq_pin@0 {
87 pins = "PL6";
88 function = "gpio_out";
89 };
90};
91
92&touchscreen {
93 reg = <0x40>;
94 compatible = "silead,gsl3670";
95 firmware-name = "gsl3670-polaroid-mid2809pxe04.fw";
96 touchscreen-size-x = <1660>;
97 touchscreen-size-y = <890>;
98 status = "okay";
99};
1/*
2 * Copyright 2016 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
43/dts-v1/;
44#include "sun8i-a23.dtsi"
45#include "sun8i-reference-design-tablet.dtsi"
46
47/ {
48 model = "Polaroid MID2809PXE04 tablet";
49 compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
50
51 aliases {
52 ethernet0 = &esp8089;
53 };
54
55 wifi_pwrseq: wifi_pwrseq {
56 compatible = "mmc-pwrseq-simple";
57 pinctrl-names = "default";
58 pinctrl-0 = <&wifi_pwrseq_pin_mid2809>;
59 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
60 /* The esp8089 needs 200 ms after driving wifi-en high */
61 post-power-on-delay-ms = <200>;
62 };
63};
64
65&mmc1 {
66 pinctrl-names = "default";
67 pinctrl-0 = <&mmc1_pins_a>;
68 vmmc-supply = <®_dldo1>;
69 mmc-pwrseq = <&wifi_pwrseq>;
70 bus-width = <4>;
71 non-removable;
72 status = "okay";
73
74 esp8089: sdio_wifi@1 {
75 compatible = "esp,esp8089";
76 reg = <1>;
77 esp,crystal-26M-en = <2>;
78 };
79};
80
81&mmc1_pins_a {
82 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
83};
84
85&r_pio {
86 wifi_pwrseq_pin_mid2809: wifi_pwrseq_pin@0 {
87 allwinner,pins = "PL6";
88 allwinner,function = "gpio_out";
89 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
90 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
91 };
92};
93
94&touchscreen {
95 reg = <0x40>;
96 compatible = "silead,gsl3670";
97 firmware-name = "gsl3670-polaroid-mid2809pxe04.fw";
98 touchscreen-size-x = <1660>;
99 touchscreen-size-y = <890>;
100 status = "okay";
101};