1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
2 /*
3 * Copyright (C) 2020 Marek Vasut <marex@denx.de>
4 */
5
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
8
9 / {
10 aliases {
11 serial0 = &uart4;
12 serial1 = &usart3;
13 serial2 = &uart8;
14 };
15
16 chosen {
17 stdout-path = "serial0:115200n8";
18 };
19
20 led {
21 compatible = "gpio-leds";
22
23 led-0 {
24 label = "yellow:led";
25 gpios = <&gpioi 3 GPIO_ACTIVE_HIGH>;
26 default-state = "off";
27 };
28 };
29 };
30
31 &adc {
32 status = "disabled";
33 };
34
35 &dac {
36 status = "disabled";
37 };
38
39 &fmc {
40 status = "disabled";
41 };
42
43 &gpioa {
44 /*
45 * NOTE: The USB Port on the PicoITX needs a PWR_EN signal to enable
46 * port power. This signal should be handled by USB power sequencing
47 * in order to turn on port power when USB bus is powered up, but so
48 * far there is no such functionality.
49 */
50 usb-port-power-hog {
51 gpio-hog;
52 gpios = <13 0>;
53 output-low;
54 line-name = "usb-port-power";
55 };
56 };
57
58 &gpioc {
59 gpio-line-names = "", "", "", "",
60 "", "", "PicoITX-In1", "",
61 "", "", "", "",
62 "", "", "", "";
63 };
64
65 &gpiod {
66 gpio-line-names = "", "", "", "",
67 "", "", "DHCOM-B", "",
68 "", "", "", "PicoITX-Out1",
69 "PicoITX-Out2", "", "", "";
70 };
71
72 &gpiog {
73 gpio-line-names = "PicoITX-In2", "", "", "",
74 "", "", "", "",
75 "DHCOM-L", "", "", "",
76 "", "", "", "";
77 };
78
79 &i2c2 { /* On board-to-board connector (optional) */
80 pinctrl-names = "default";
81 pinctrl-0 = <&i2c2_pins_a>;
82 i2c-scl-rising-time-ns = <185>;
83 i2c-scl-falling-time-ns = <20>;
84 status = "okay";
85 /* spare dmas for other usage */
86 /delete-property/dmas;
87 /delete-property/dma-names;
88 };
89
90 &i2c5 { /* On board-to-board connector */
91 pinctrl-names = "default";
92 pinctrl-0 = <&i2c5_pins_a>;
93 i2c-scl-rising-time-ns = <185>;
94 i2c-scl-falling-time-ns = <20>;
95 status = "okay";
96 /* spare dmas for other usage */
97 /delete-property/dmas;
98 /delete-property/dma-names;
99 };
100
101 &ksz8851 {
102 status = "disabled";
103 };
104
105 &usart3 {
106 pinctrl-names = "default";
107 pinctrl-0 = <&usart3_pins_a>;
108 /delete-property/dmas;
109 /delete-property/dma-names;
110 status = "okay";
111 };
112
113 &uart8 {
114 pinctrl-names = "default";
115 pinctrl-0 = <&uart8_pins_a &uart8_rtscts_pins_a>;
116 /delete-property/dmas;
117 /delete-property/dma-names;
118 status = "okay";
119 };
120
121 &usbh_ehci {
122 status = "okay";
123 };
124
125 &usbh_ohci {
126 status = "okay";
127 };
128
129 &usbotg_hs {
130 dr_mode = "otg";
131 pinctrl-0 = <&usbotg_hs_pins_a>;
132 pinctrl-names = "default";
133 phy-names = "usb2-phy";
134 phys = <&usbphyc_port1 0>;
135 vbus-supply = <&vbus_otg>;
136 status = "okay";
137 };
138
139 &usbphyc {
140 status = "okay";
141 };
142
143 &usbphyc_port0 {
144 phy-supply = <&vdd_usb>;
145 };
146
147 &usbphyc_port1 {
148 phy-supply = <&vdd_usb>;
149 };
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