1/*
2 * Copyright (c) 2021 Yonatan Schachter
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#include <freq.h>
8
9#include <raspberrypi/rpi_pico/rp2040.dtsi>
10#include "rpi_pico-pinctrl.dtsi"
11#include <zephyr/dt-bindings/pwm/pwm.h>
12
13#include <zephyr/dt-bindings/i2c/i2c.h>
14
15
16/ {
17	chosen {
18		zephyr,sram = &sram0;
19		zephyr,flash = &flash0;
20		zephyr,flash-controller = &ssi;
21		zephyr,console = &uart0;
22		zephyr,shell-uart = &uart0;
23		zephyr,code-partition = &code_partition;
24	};
25
26	aliases {
27		rtc = &rtc;
28		watchdog0 = &wdt0;
29	};
30
31	pico_header: connector {
32		compatible = "raspberrypi,pico-header";
33		#gpio-cells = <2>;
34		gpio-map-mask = <0xffffffff 0xffffffc0>;
35		gpio-map-pass-thru = <0 0x3f>;
36		gpio-map = <0 0 &gpio0 0 0>,	/* GP0 */
37			<1 0 &gpio0 1 0>,	/* GP1 */
38			<2 0 &gpio0 2 0>,	/* GP2 */
39			<3 0 &gpio0 3 0>,	/* GP3 */
40			<4 0 &gpio0 4 0>,	/* GP4 */
41			<5 0 &gpio0 5 0>,	/* GP5 */
42			<6 0 &gpio0 6 0>,	/* GP6 */
43			<7 0 &gpio0 7 0>,	/* GP7 */
44			<8 0 &gpio0 8 0>,	/* GP8 */
45			<9 0 &gpio0 9 0>,	/* GP9 */
46			<10 0 &gpio0 10 0>,	/* GP10 */
47			<11 0 &gpio0 11 0>,	/* GP11 */
48			<12 0 &gpio0 12 0>,	/* GP12 */
49			<13 0 &gpio0 13 0>,	/* GP13 */
50			<14 0 &gpio0 14 0>,	/* GP14 */
51			<15 0 &gpio0 15 0>,	/* GP15 */
52			<16 0 &gpio0 16 0>,	/* GP16 */
53			<17 0 &gpio0 17 0>,	/* GP17 */
54			<18 0 &gpio0 18 0>,	/* GP18 */
55			<19 0 &gpio0 19 0>,	/* GP19 */
56			<20 0 &gpio0 20 0>,	/* GP20 */
57			<21 0 &gpio0 21 0>,	/* GP21 */
58			<22 0 &gpio0 22 0>,	/* GP22 */
59			<26 0 &gpio0 26 0>,	/* GP26 */
60			<27 0 &gpio0 27 0>,	/* GP27 */
61			<28 0 &gpio0 28 0>;	/* GP28 */
62	};
63};
64
65&flash0 {
66	reg = <0x10000000 DT_SIZE_M(2)>;
67
68	partitions {
69		compatible = "fixed-partitions";
70		#address-cells = <1>;
71		#size-cells = <1>;
72
73		/* Reserved memory for the second stage bootloader */
74		second_stage_bootloader: partition@0 {
75			label = "second_stage_bootloader";
76			reg = <0x00000000 0x100>;
77			read-only;
78		};
79
80		/*
81		 * Usable flash. Starts at 0x100, after the bootloader. The partition
82		 * size is 2MB minus the 0x100 bytes taken by the bootloader.
83		 */
84		code_partition: partition@100 {
85			label = "code-partition";
86			reg = <0x100 (DT_SIZE_M(2) - 0x100)>;
87			read-only;
88		};
89	};
90};
91
92&uart0 {
93	current-speed = <115200>;
94	status = "okay";
95	pinctrl-0 = <&uart0_default>;
96	pinctrl-names = "default";
97};
98
99&gpio0 {
100	status = "okay";
101};
102
103&i2c0 {
104	clock-frequency = <I2C_BITRATE_STANDARD>;
105	status = "okay";
106	pinctrl-0 = <&i2c0_default>;
107	pinctrl-names = "default";
108};
109
110&i2c1 {
111	pinctrl-0 = <&i2c1_default>;
112	pinctrl-names = "default";
113	status = "disabled";
114	clock-frequency = <I2C_BITRATE_FAST>;
115};
116
117&spi0 {
118	clock-frequency = <DT_FREQ_M(8)>;
119	status = "okay";
120	pinctrl-0 = <&spi0_default>;
121	pinctrl-names = "default";
122};
123
124&timer {
125	status = "okay";
126};
127
128&wdt0 {
129	status = "okay";
130};
131
132&rtc {
133	clocks = <&clocks RPI_PICO_CLKID_CLK_RTC>;
134	status = "okay";
135};
136
137&adc {
138	status = "okay";
139	pinctrl-0 = <&adc_default>;
140	pinctrl-names = "default";
141};
142
143zephyr_udc0: &usbd {
144	status = "okay";
145};
146
147&pwm {
148	pinctrl-0 = <&pwm_ch4b_default>;
149	pinctrl-names = "default";
150};
151
152&vreg {
153	regulator-always-on;
154	regulator-allowed-modes = <REGULATOR_RPI_PICO_MODE_NORMAL>;
155};
156
157pico_spi: &spi0 {};
158pico_i2c0: &i2c0 {};
159pico_i2c1: &i2c1 {};
160pico_serial: &uart0 {};
161