1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
  4 */
  5
  6/dts-v1/;
  7
  8#include <dt-bindings/gpio/gpio.h>
  9#include <dt-bindings/interrupt-controller/irq.h>
 10
 11#include "pic32mzda.dtsi"
 12
 13/ {
 14	compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda";
 15	model = "Microchip PIC32MZDA Starter Kit";
 16
 17	memory {
 18		device_type = "memory";
 19		reg = <0x08000000 0x08000000>;
 20	};
 21
 22	chosen {
 23		bootargs = "earlyprintk=ttyPIC1,115200n8r console=ttyPIC1,115200n8";
 24	};
 25
 26	leds0 {
 27		compatible = "gpio-leds";
 28		pinctrl-names = "default";
 29		pinctrl-0 = <&user_leds_s0>;
 30
 31		led@1 {
 32			label = "pic32mzda_sk:red:led1";
 33			gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
 34			linux,default-trigger = "heartbeat";
 35		};
 36
 37		led@2 {
 38			label = "pic32mzda_sk:yellow:led2";
 39			gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
 40			linux,default-trigger = "mmc0";
 41		};
 42
 43		led@3 {
 44			label = "pic32mzda_sk:green:led3";
 45			gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
 46			default-state = "on";
 47		};
 48	};
 49
 50	keys0 {
 51		compatible = "gpio-keys";
 52		pinctrl-0 = <&user_buttons_s0>;
 53		pinctrl-names = "default";
 54
 55		#address-cells = <1>;
 56		#size-cells = <0>;
 57
 58		button@sw1 {
 59			label = "ESC";
 60			linux,code = <1>;
 61			gpios = <&gpio1 12 0>;
 62		};
 63
 64		button@sw2 {
 65			label = "Home";
 66			linux,code = <102>;
 67			gpios = <&gpio1 13 0>;
 68		};
 69
 70		button@sw3 {
 71			label = "Menu";
 72			linux,code = <139>;
 73			gpios = <&gpio1 14 0>;
 74		};
 75	};
 76};
 77
 78&uart2 {
 79	pinctrl-names = "default";
 80	pinctrl-0 = <&pinctrl_uart2>;
 81	status = "okay";
 82};
 83
 84&uart4 {
 85	pinctrl-names = "default";
 86	pinctrl-0 = <&pinctrl_uart4>;
 87	status = "okay";
 88};
 89
 90&sdhci {
 91	pinctrl-names = "default";
 92	pinctrl-0 = <&pinctrl_sdhc1>;
 93	status = "okay";
 94	assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
 95		<&rootclk REF5CLK>;
 96	assigned-clock-rates = <50000000>, <25000000>, <40000000>;
 97};
 98
 99&pic32_pinctrl {
100
101	pinctrl_sdhc1: sdhc1_pins0 {
102		pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0";
103		microchip,digital;
104	};
105
106	user_leds_s0: user_leds_s0 {
107		pins = "H0", "H1", "H2";
108		output-low;
109		microchip,digital;
110	};
111
112	user_buttons_s0: user_buttons_s0 {
113		pins = "B12", "B13", "B14";
114		microchip,digital;
115		input-enable;
116		bias-pull-up;
117	};
118
119	pinctrl_uart2: pinctrl_uart2 {
120		uart2-tx {
121			pins = "G9";
122			function = "U2TX";
123			microchip,digital;
124			output-high;
125		};
126		uart2-rx {
127			pins = "B0";
128			function = "U2RX";
129			microchip,digital;
130			input-enable;
131		};
132	};
133
134	pinctrl_uart4: uart4-0 {
135		uart4-tx {
136			pins = "C3";
137			function = "U4TX";
138			microchip,digital;
139			output-high;
140		};
141		uart4-rx {
142			pins = "E8";
143			function = "U4RX";
144			microchip,digital;
145			input-enable;
146		};
147	};
148};