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 };
150